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Lilial is a synthetic aromatic aldehyde also known as butylphenyl methylpropional or p-BMHCA.
Lilial possesses a powerful floral, muguet, lily-of-the-valley, green, creamy, and powdery odor profile.
Lilial has historically been used as a fragrance ingredient in cosmetic and household formulations, although its current use is subject to significant jurisdiction-specific restrictions.
CAS Number: 80-54-6
EC Number: 201-289-8
Molecular Formula: C₁₄H₂₀O
Molecular Weight: 204.31 g/mol
SYNONYMS
Butylphenyl Methylpropional, BMHCA, p-BMHCA, Butylphenylmethylpropional, 2-(4-tert-Butylbenzyl)propionaldehyde, 3-(4-tert-Butylphenyl)-2-methylpropanal, Benzenepropanal, 4-(1,1-dimethylethyl)-α-methyl-, Benzenepropanal, 4-(tert-butyl)-alpha-methyl-, Propanal, 2-methyl-3-[4-(1,1-dimethylethyl)phenyl]-, Propanal, α-methyl-β-(p-tert-butylphenyl)-, α-Methyl-p-tert-butylhydrocinnamaldehyde, Alpha-Methyl-p-tert-butylhydrocinnamaldehyde, α-Methyl-p-(tert-butyl)hydrocinnamaldehyde, p-tert-Butyl-α-methylhydrocinnamaldehyde, para-tert-Butyl-alpha-methylhydrocinnamaldehyde, p-tert-Butyl-α-methylhydrocinnamic Aldehyde, 4-tert-Butyl-α-methylhydrocinnamic Aldehyde, α-Methyl-β-(p-tert-butylphenyl)propionaldehyde, p-tert-Butyl-alpha-methylphenylpropionaldehyde, 2-Methyl-3-(4-tert-butylphenyl)propanal, 2-Methyl-3-[4-(tert-butyl)phenyl]propanal, 2-(4-tert-Butylbenzyl)propanal, 2-(p-tert-Butylbenzyl)propionaldehyde, 2-Methyl-3-p-tert-butylphenylpropanal, 3-(4-tert-Butylphenyl)-2-methylpropionaldehyde, 4-(1,1-Dimethylethyl)-α-methylbenzenepropanal, Lily Aldehyde, Lily-of-the-Valley Aldehyde, Muguet Aldehyde, Lilyal, Lilestral, Lysmeral, Lilialdehyde, Aromatic Floral Aldehyde, Muguet Fragrance Aldehyde, tert-Butyl-Substituted Aromatic Aldehyde, Hydrocinnamaldehyde Derivative, Synthetic Fragrance Aldehyde, Floral Fragrance Intermediate, Fragrance Analytical Standard, Butylphenyl Methylpropional Analytical Standard, Technical-Grade Lilial, High-Purity Lilial, Reagent-Grade Lilial, C₁₄H₂₀O, CAS 80-54-6, EC 201-289-8, PubChem CID 228987, NSC 22275, SDQFDHOLCGWZPU-UHFFFAOYSA-N
APPLICATIONS
Lilial historically served as a major floral fragrance ingredient in fine-fragrance compositions requiring a diffusive lily-of-the-valley character.
Lilial contributed soft muguet, green, creamy, watery, powdery, and slightly aldehydic nuances to complex perfume accords.
Lilial supported the construction of floral bouquets containing rose, jasmine, cyclamen, magnolia, lilac, and white-flower notes.
Lilial provided substantial odor strength and persistence while remaining compatible with many conventional fragrance ingredients.
Lilial historically functioned as a foundation material in synthetic muguet fragrance bases.
Lilial enhanced the fullness and naturalness of accords designed to resemble lily-of-the-valley blossoms.
Lilial supported blending with hydroxycitronellal-type, cyclamen-type, jasmine-type, rose-type, and green odorants.
Lilial enabled fragrance formulators to connect fresh floral top notes with creamy and woody background materials.
Lilial historically found application in perfumes, eau de toilette compositions, colognes, and fragranced body preparations.
Lilial contributed a recognizable floral signature at relatively low concentrations in complete fragrance compounds.
Lilial provided diffusion and substantivity in alcohol-based fragrance systems containing compatible solvents and fixatives.
Lilial is prohibited in all cosmetic products marketed in the European Union and must not be used for these applications there.
Lilial historically served as a fragrance ingredient in shampoos, conditioners, hair masks, and hair-styling products.
Lilial helped mask odors originating from surfactants, conditioning polymers, proteins, oils, solvents, and other functional ingredients.
Lilial contributed floral persistence on hair after rinsing when incorporated into suitable fragrance-delivery systems.
Lilial must not be used in cosmetic hair products placed on the European Union market because its permitted concentration is zero.
Lilial historically functioned as a fragrance component in shower gels, liquid soaps, bath preparations, and skin-cleansing formulations.
Lilial contributed a clean floral impression capable of complementing citrus, green, herbal, musk, and woody notes.
Lilial supported odor masking in surfactant-rich products with strong inherent raw-material odors.
Lilial is no longer an acceptable ingredient for cosmetic cleansing products in the European Union.
Lilial historically served as an odorant in creams, lotions, moisturizers, deodorants, and other leave-on cosmetic systems.
Lilial provided a soft floral background that improved the perceived sensory elegance of emulsions and personal-care bases.
Lilial supported fragrance continuity across complete product ranges containing both rinse-off and leave-on formats.
Lilial must not be included in cosmetic leave-on products marketed in the European Union because it is listed in Annex II of the Cosmetics Regulation.
Lilial finds potential application in non-cosmetic household detergents only where national regulations and applicable fragrance standards permit its use.
Lilial provides a clean floral and laundry-associated character in compatible liquid and powder detergent fragrances.
Lilial helps mask odors associated with surfactants, builders, enzymes, bleaching systems, polymers, and process residues.
Lilial requires aggregate-exposure, sensitization, reproductive-toxicity, environmental, and finished-product assessments before any non-cosmetic use.
Lilial may function as a fragrance component in fabric-softening and textile-care formulations where legally permitted.
Lilial contributes a persistent floral note that can remain perceptible on dried textile fibers.
Lilial supports fragrance accords intended to convey softness, cleanliness, freshness, and long-lasting fabric care.
Lilial requires testing for deposition, encapsulation compatibility, discoloration, wash behavior, wastewater release, and local regulatory compliance.
Lilial may serve as an odorant in non-cosmetic hard-surface cleaners where its use remains legally permitted.
Lilial helps reduce the sensory impact of solvents, surfactants, alkaline builders, acids, and other strongly smelling components.
Lilial contributes a floral profile to floor cleaners, bathroom cleaners, kitchen cleaners, and multipurpose formulations.
Lilial requires compatibility testing with oxidants, hypochlorite, peroxide, acids, bases, preservatives, packaging, and fragrance carriers.
Lilial may function in dishwashing, laundry-treatment, and specialty cleaning fragrances where permitted by local legislation.
Lilial supports floral accords that remain perceptible despite high surfactant and builder concentrations.
Lilial contributes to fragrance identities designed to communicate cleanliness and freshness.
Lilial must be controlled to prevent unnecessary dermal, inhalation, aggregate consumer, and environmental exposure.
Lilial may find application in non-cosmetic air-care systems where jurisdiction-specific rules permit its use.
Lilial contributes a diffusive muguet and white-floral character to compatible gels, solids, liquids, and passive fragrance matrices.
Lilial supports gradual fragrance release when incorporated into suitable polymeric, porous, or absorbent carriers.
Lilial requires careful inhalation-exposure assessment, particularly in sprays, aerosols, heated systems, and poorly ventilated spaces.
Lilial may serve as an odorant in candles, wax melts, incense-related formulations, and heated fragrance products where legally permitted.
Lilial contributes floral body during warming and can complement musk, wood, green, and powdery notes.
Lilial supports cold-throw and hot-throw fragrance studies in compatible wax and carrier systems.
Lilial requires evaluation of thermal stability, combustion emissions, indoor exposure, discoloration, and regulatory acceptability.
Lilial may function as an odor-masking component in selected non-consumer industrial formulations where legally permitted.
Lilial can reduce perception of unpleasant odors originating from polymers, lubricants, process oils, solvents, and technical raw materials.
Lilial provides a recognizable floral signal that can improve the perceived odor quality of compatible technical products.
Lilial requires occupational-exposure controls and should not be used to conceal hazardous process emissions.
Lilial serves as an analytical reference material for identifying butylphenyl methylpropional in fragrances and consumer-product samples.
Lilial supports calibration of gas chromatography, liquid chromatography, mass spectrometry, and spectroscopic analytical methods.
Lilial enables measurement of residual or prohibited material in cosmetics, household products, raw materials, packaging, and environmental samples.
Lilial requires a characterized analytical grade with documented assay, isomer profile, stability, and traceability for quantitative work.
Lilial functions as a reference compound for gas-chromatographic retention and mass-spectral identification.
Lilial provides established electron-ionization mass-spectral and chromatographic reference information.
Lilial supports differentiation from positional isomers, oxidation products, structurally related floral aldehydes, and alternative muguet odorants.
Lilial enables laboratories to confirm suspected findings through comparison with independently characterized reference material.
Lilial serves as a target analyte in regulatory market-surveillance testing of cosmetic products.
Lilial supports enforcement of the zero-concentration prohibition applicable to cosmetics marketed in the European Union.
Lilial enables screening of imported, legacy, mislabeled, or non-compliant formulations for prohibited fragrance ingredients.
Lilial contributes to product-safety investigations concerning reproductive toxicity and skin sensitization.
Lilial functions as a reference substance in fragrance-allergy and dermatological research.
Lilial supports studies of skin sensitization, elicitation thresholds, oxidation effects, dermal penetration, and aggregate exposure.
Lilial enables comparison of sensitization responses with those produced by other aromatic fragrance aldehydes.
Lilial requires controlled handling because scientific assessments have identified a risk of inducing skin sensitization in humans.
Lilial serves as a research substance in reproductive and developmental toxicology.
Lilial supports investigation of fertility-related endpoints, endocrine-responsive pathways, metabolism, and dose–response relationships.
Lilial enables comparison between regulatory hazard classification and experimentally observed biological effects.
Lilial requires stringent exposure controls because the European harmonized classification identifies fertility and developmental concerns.
Lilial functions as a target chemical in environmental-monitoring programs for wastewater, surface water, sediment, sludge, and indoor dust.
Lilial supports assessment of releases associated with historical or permitted fragrance use in household products.
Lilial enables researchers to examine persistence, partitioning, biodegradation, transformation, and wastewater-treatment removal.
Lilial requires sensitive analytical methods because environmental concentrations may be substantially lower than those present in formulated products.
Lilial serves as a model hydrophobic fragrance aldehyde in environmental-fate research.
Lilial supports studies of sorption to organic matter, partitioning into sludge, volatilization, oxidation, and microbial transformation.
Lilial enables comparison of measured environmental behavior with properties predicted from its water solubility and octanol–water partition coefficient.
Lilial should be prevented from entering drains or natural waters in concentrated form.
Lilial functions as a benchmark substance during reformulation of fragrances to remove prohibited or restricted ingredients.
Lilial provides an established sensory reference for comparing alternative muguet and floral odorants.
Lilial supports evaluation of whether replacement accords reproduce floral volume, diffusion, substantivity, stability, and cost performance.
Lilial must remain physically segregated from replacement formulations intended to comply with jurisdictions where it is prohibited.
Lilial serves as a quality-control reference for verifying that fragrance compounds and finished cosmetics are free from prohibited p-BMHCA.
Lilial supports validation of detection limits, quantification limits, recovery, precision, matrix effects, and method selectivity.
Lilial enables laboratories to distinguish intentional addition from trace cross-contamination when analytical sensitivity is sufficient.
Lilial requires contamination-controlled storage and sampling because small carryover amounts can affect compliance testing.
Lilial functions as a process-development reference in the synthesis of substituted aromatic aldehydes.
Lilial supports evaluation of aldol condensation, catalytic hydrogenation, purification, oxidation control, and isomer separation.
Lilial enables correlation of process variables with odor, color, assay, aldehyde content, and by-product formation.
Lilial is commonly prepared through condensation of a tert-butyl-substituted benzaldehyde with propionaldehyde followed by selective hydrogenation.
Lilial serves as a starting material in controlled aldehyde-reaction studies.
Lilial supports preparation of oximes, hydrazones, acetals, imines, alcohols, carboxylic acids, and other laboratory derivatives.
Lilial enables investigation of steric and electronic effects in reactions of branched aromatic aldehydes.
Lilial requires derivative-specific safety assessment because conversion can substantially change volatility, reactivity, toxicity, and odor.
Lilial functions as a substrate in selective oxidation and reduction research.
Lilial can be reduced to the corresponding primary alcohol or oxidized to the corresponding carboxylic acid under suitable conditions.
Lilial supports catalyst screening for chemoselective transformation of aldehydes in the presence of an aromatic tert-butyl group.
Lilial requires oxygen, catalyst, temperature, and peroxide formation to be controlled during oxidative processing.
Lilial serves as a reference odorant in historical-perfumery education and analytical sensory training.
Lilial enables trained assessors to recognize muguet, watery floral, green, creamy, powdery, and aldehydic odor facets.
Lilial supports comparison with replacement ingredients developed for similar fragrance functions.
Lilial should be evaluated only in controlled professional settings consistent with current occupational and regulatory requirements.
Lilial functions as a reference material in studies of aldehyde oxidation during fragrance storage.
Lilial supports evaluation of acid-value increase, odor deterioration, color formation, and antioxidant effectiveness.
Lilial enables comparison of packaging, oxygen exposure, light exposure, temperature, and trace-metal contamination.
Lilial requires protected storage because oxidation can change both its analytical purity and sensory character.
Lilial serves as a reference compound for studying interactions between fragrance materials and packaging.
Lilial supports evaluation of absorption, migration, permeation, scalping, staining, and odor loss in polymers and elastomers.
Lilial enables comparison of packaging barriers used for fragrance concentrates and analytical standards.
Lilial requires compatibility testing with seals, closures, liners, tubing, and sampling equipment.
Lilial functions as a reference in studies of fragrance removal from industrial wastewater.
Lilial supports comparison of biological treatment, adsorption, membrane separation, oxidation, and combined treatment processes.
Lilial enables determination of whether treatment destroys the molecule or merely transfers it into sludge or another phase.
Lilial requires analytical monitoring of both the parent compound and relevant transformation products.
Lilial serves as a target compound in indoor-air and material-emission research.
Lilial supports chamber studies involving evaporation from fragranced materials and transfer into settled dust.
Lilial enables assessment of ventilation, temperature, surface loading, product aging, and cleaning frequency.
Lilial requires low-background analytical environments because trace contamination can interfere with measurements.
Lilial functions as a regulatory reference for training personnel responsible for cosmetic-compliance review.
Lilial demonstrates the distinction between historical use, voluntary fragrance standards, harmonized hazard classification, and legally binding cosmetic prohibitions.
Lilial supports instruction in ingredient-list review, analytical confirmation, corrective action, and supply-chain controls.
Lilial remains prohibited at a maximum threshold of zero in all cosmetic products marketed in the European Union.
Lilial serves as a reference substance in comparative studies of fragrance-regulation systems outside the European Union.
Lilial enables evaluation of differences between national legislation and voluntary fragrance-industry standards.
Lilial supports development of market-specific compliance matrices for cosmetic and non-cosmetic product categories.
Lilial must not be assumed to be permitted merely because a voluntary standard provides conditions for its use.
Lilial functions as a trace impurity reference in fragrance replacement and equipment-cleaning validation.
Lilial supports verification that mixers, tanks, pipelines, pumps, filters, and filling systems have been adequately decontaminated.
Lilial enables calculation of carryover from legacy production into compliant formulations.
Lilial requires low detection limits where the applicable finished-product requirement is complete prohibition.
Lilial serves as a research standard in investigations of aggregate consumer exposure to fragrance ingredients.
Lilial supports modeling of combined exposure from multiple cosmetic and household-product categories.
Lilial enables comparison of single-product safety conclusions with total exposure across many products.
Lilial was considered unsafe by the European scientific assessment when aggregate cosmetic exposure at the proposed concentrations was considered.
Lilial functions as a comparative substance in development of safer floral fragrance alternatives.
Lilial provides a sensory and physicochemical benchmark for odor quality, diffusion, stability, hydrophobicity, and substantivity.
Lilial supports screening of alternative molecules that do not carry the same regulatory classification.
Lilial should not be incorporated into prohibited cosmetic formulations during comparative testing.
Lilial serves as a chemical identity standard for customs, regulatory, forensic, and product-authenticity laboratories.
Lilial supports confirmation of CAS Number 80-54-6, EC Number 201-289-8, molecular formula C₁₄H₂₀O, and characteristic spectral data.
Lilial enables identification of undeclared or incorrectly named butylphenyl methylpropional in complex matrices.
Lilial requires orthogonal confirmation when enforcement decisions depend on low-level analytical findings.
Lilial functions as a controlled fine-chemical intermediate in reactions exploiting its aldehyde group.
Lilial offers a branched aromatic framework for preparation of research compounds where legal, technical, and safety requirements are satisfied.
DESCRIPTION
Lilial is the common name for 3-(4-tert-butylphenyl)-2-methylpropanal.
Lilial is identified by CAS Number 80-54-6 and EC Number 201-289-8.
Lilial has the molecular formula C₁₄H₂₀O and a molecular weight of approximately 204.31 g/mol.
Lilial contains one aldehyde group, one para-tert-butyl-substituted aromatic ring, and one stereogenic carbon at the alpha position.
Lilial normally appears as a clear, colorless to pale-yellow liquid.
Lilial possesses a strong floral, muguet, watery, green, creamy, and powdery odor.
Lilial has a reported melting point below −20°C and a boiling point near 279°C at atmospheric pressure.
Lilial has limited water solubility of approximately 33 mg/L and a reported log Pow near 4.2.
Lilial is commonly synthesized through base-catalyzed condensation of para-tert-butylbenzaldehyde with propionaldehyde.
Lilial production then involves selective hydrogenation of the resulting unsaturated aldehyde followed by filtration, solvent removal, and purification.
Lilial quality control commonly includes appearance, odor, assay, color, water, acid value, positional-isomer content, and oxidation products.
Lilial should be protected from prolonged exposure to air, light, heat, strong oxidants, acids, bases, and reactive contaminants.
Lilial is classified in the European Union as capable of damaging fertility and as suspected of damaging the unborn child.
Lilial also presents a recognized risk of skin sensitization and may cause skin irritation or harmful effects after ingestion.
Lilial has been prohibited in all cosmetic products marketed in the European Union since March 1, 2022.
Lilial remains subject to jurisdiction-specific rules for non-cosmetic and non-European applications and must be assessed under the requirements of the intended market.
PROPERTIES
Chemical Name: Lilial
INCI Name: Butylphenyl Methylpropional
Preferred IUPAC Name: 3-(4-tert-Butylphenyl)-2-methylpropanal
Alternative Systematic Name: 2-(4-tert-Butylbenzyl)propionaldehyde
Abbreviation: BMHCA
Specific Isomer Abbreviation: p-BMHCA
CAS Number: 80-54-6
EC Number: 201-289-8
EU Cosmetic Annex II Reference Number: 1666
PubChem CID: 228987
NSC Number: 22275
Molecular Formula: C₁₄H₂₀O
Molecular Weight: 204.31 g/mol
Exact Molecular Weight: Approximately 204.1514 Da
InChIKey: SDQFDHOLCGWZPU-UHFFFAOYSA-N
Chemical Family: Aromatic aldehydes
Chemical Classification: Branched hydrocinnamaldehyde derivative
Functional Group: Aldehyde
Physical State: Liquid
Appearance: Clear, colorless to pale-yellow liquid
Odor: Floral, muguet, lily-of-the-valley, watery, green, creamy, and powdery
Melting Point: Below approximately −20°C
Boiling Point: Approximately 279°C at atmospheric pressure
Vapor Pressure at 20°C: Less than approximately 1 hPa in the cited physical-property compilation
Water Solubility at 20°C: Approximately 33 mg/L
Log Pow: Approximately 4.2 at 24°C
PubChem Calculated XLogP3-AA: Approximately 3.9
Hydrogen-Bond Donors: 0
Hydrogen-Bond Acceptors: 1
Topological Polar Surface Area: Approximately 17.1 Ų
Stereochemistry: Commercial material may contain stereoisomeric forms
Volatility: Low to moderate under ambient conditions
Organic-Phase Affinity: High
Water Compatibility: Low
Primary Historical Function: Fragrance ingredient
Primary Historical Odor Application: Muguet and white-floral accords
Current EU Cosmetic Status: Prohibited
EU Cosmetic Maximum Threshold: 0%
EU Cosmetic Prohibition Effective Date: March 1, 2022
EU Harmonized Reproductive Classification: Reproductive Toxicity Category 1B
Harmonized Fertility Hazard: May damage fertility
Harmonized Developmental Hazard: Suspected of damaging the unborn child
Skin Sensitization Concern: Recognized
Skin Irritation Concern: Reported
Oral Hazard: Harmful if swallowed classifications are reported
Environmental Concern: Prevent concentrated release to drains and natural waters
Primary Production Route: Condensation followed by selective hydrogenation
Important Starting Materials: para-tert-Butylbenzaldehyde and propionaldehyde
Important Process Intermediate: para-tert-Butyl-α-methylcinnamaldehyde
Important Quality Parameters: Appearance, odor, assay, color, water, acid value, isomer profile, and oxidation products
Analytical Methods: Gas chromatography, mass spectrometry, liquid chromatography, infrared spectroscopy, and nuclear magnetic resonance
Chemical Stability: Stable under suitable protected storage conditions
Oxidation Sensitivity: Aldehyde group can oxidize during prolonged air exposure
Incompatible Materials: Strong oxidizing agents, strong acids, strong bases, and reactive reducing agents
Combustion Products: Carbon monoxide, carbon dioxide, smoke, and irritating organic fumes
Recommended Storage: Cool, dry, dark, tightly closed, and well-ventilated storage
Regulatory Requirement: Confirm legality for each intended product category and market
Current Data Requirement: Confirm purity, flash point, transport status, classification, packaging, and shelf life from current grade-specific documentation.
FIRST AID
Inhalation:
Move the affected person to fresh air.
Keep the person at rest in a position comfortable for breathing.
Avoid further exposure to Lilial vapor, mist, aerosol, smoke, or thermal-decomposition fumes.
Obtain medical attention if coughing, headache, dizziness, nausea, breathing discomfort, or other symptoms develop or persist.
Skin Contact:
Remove contaminated clothing, footwear, watches, and accessories.
Wash the affected skin thoroughly with soap and plenty of water.
Continue rinsing if redness, irritation, itching, rash, or discomfort occurs.
Obtain medical advice because Lilial may cause an allergic skin reaction.
Wash contaminated clothing before reuse.
Eye Contact:
Rinse the eyes immediately with plenty of clean, gently flowing water.
Hold the eyelids open to ensure complete irrigation.
Remove contact lenses when present and easy to do, then continue rinsing.
Continue rinsing for at least 15 minutes.
Obtain medical attention if pain, redness, tearing, blurred vision, or irritation persists.
Ingestion:
Rinse the mouth thoroughly with water.
Do not induce vomiting unless directed by qualified medical personnel or a poison center.
Never give anything by mouth to an unconscious, drowsy, or convulsing person.
Obtain prompt medical attention because Lilial may be harmful if swallowed.
Provide the current Safety Data Sheet and product label to medical personnel.
Note to Physicians:
No substance-specific antidote should be assumed.
Provide supportive care and treat according to the patient’s symptoms and clinical condition.
Assess respiratory, gastrointestinal, neurological, hepatic, renal, dermal, and reproductive concerns following substantial exposure.
Consider delayed sensitization or systemic effects after extensive skin contact or ingestion.
Use current poison-center guidance and grade-specific safety documentation as the primary medical references.
HANDLING AND STORAGE
Handling:
Handle Lilial in accordance with strict industrial-hygiene and reproductive-hazard procedures.
Review current technical and safety documentation before opening, sampling, transferring, blending, or analyzing the material.
Avoid all unnecessary contact with the skin, eyes, and clothing.
Do not breathe vapor, mist, aerosol, smoke, or decomposition fumes.
Use closed transfer, metering, blending, sampling, and filling systems wherever reasonably practicable.
Open containers only in an effectively ventilated handling area.
Use clean, dry, and chemically compatible equipment.
Prevent aerosol generation during high-speed mixing, spraying, pumping, and equipment cleaning.
Keep Lilial away from strong oxidizing agents, strong acids, strong bases, and incompatible reducing chemicals.
Avoid prolonged exposure to air, heat, light, and reactive metal contamination.
Wash the hands, face, and exposed skin thoroughly after handling.
Do not eat, drink, or smoke in areas where Lilial is handled.
Keep contaminated work clothing separate from personal clothing.
Prevent cross-contamination of cosmetic formulations intended for markets where Lilial is prohibited.
Keep containers tightly closed whenever the material is not being sampled or transferred.
Ventilation:
Provide effective general ventilation and local exhaust ventilation.
Position extraction close to container openings, pumps, sampling ports, mixers, filling equipment, and spill-prone areas.
Capture vapor and aerosol at the source rather than allowing contamination to spread through occupied areas.
Provide additional ventilation when Lilial is heated, sprayed, atomized, or handled over large exposed surfaces.
Do not rely on odor to determine whether airborne exposure is adequately controlled.
Use suitable organic-vapor respiratory protection when engineering controls cannot adequately limit exposure.
Use supplied-air or self-contained respiratory equipment during fires, major spills, confined-space entry, or unknown exposure conditions.
Select respiratory equipment through a documented occupational-exposure and reproductive-risk assessment.
Inspect and maintain ventilation, filters, seals, and vapor-control equipment regularly.
Storage:
Store Lilial in tightly closed and correctly labeled containers.
Keep the material in a cool, dry, dark, secure, and well-ventilated location.
Protect Lilial from direct sunlight, excessive heat, air exposure, ignition sources, contamination, and physical damage.
Keep Lilial separated from strong oxidizing agents, strong acids, strong bases, reactive reducing agents, food, beverages, and animal feed.
Use containers, seals, liners, pumps, and gaskets demonstrated to be compatible with aromatic aldehydes.
Use an appropriate antioxidant or stabilization system only when specified for the supplied grade.
Do not remove or alter stabilizers without a validated technical procedure.
Prevent water, rust, oxidants, acids, bases, and process residues from entering opened containers.
Reseal partially used containers immediately after sampling or transfer.
Provide secondary containment capable of retaining the contents of the largest container.
Use first-in, first-out stock rotation within the stated shelf life.
Inspect containers regularly for leakage, swelling, damaged seals, discoloration, unusual odor, crystallization, or contamination.
Store analytical reference material separately from bulk technical material and waste.
Maintain segregation from cosmetic ingredients and equipment used for products marketed in jurisdictions where Lilial is prohibited.
Spill and Leak Procedures:
Restrict access to the affected area and remove unnecessary personnel.
Eliminate ignition sources when this can be done safely.
Provide effective ventilation before beginning recovery operations.
Wear chemical-resistant gloves, protective clothing, eye protection, and suitable respiratory protection.
Stop the leak only when this can be done without personal risk.
Prevent Lilial from entering drains, sewers, soil, groundwater, or surface water.
Recover pumpable liquid into chemically compatible, sealable, and correctly labeled containers.
Contain remaining material with sand, earth, vermiculite, or another verified inert absorbent.
Do not use oxidizing or chemically incompatible absorbents.
Collect contaminated absorbent, disposable protective equipment, and cleaning residues in closed hazardous-waste containers.
Clean the affected surface only after bulk material has been recovered and wastewater can be contained.
Monitor the area before allowing unprotected personnel to return.
Dispose of recovered material through an authorized hazardous-chemical waste route.
Report environmental releases as required by applicable regulations.
Handling Precautions:
Wear chemical-resistant gloves selected from documented permeation and breakthrough data.
Use tightly fitting chemical goggles.
Wear a face shield in addition to goggles where splashing is reasonably foreseeable.
Use chemical-resistant protective clothing, sleeves, footwear, and an apron during bulk handling.
Provide accessible eyewash and emergency-shower equipment near major handling locations.
Inspect gloves, clothing, containers, pumps, hoses, valves, seals, gaskets, and transfer connections before use.
Use only equipment materials verified as compatible with Lilial.
Prevent prolonged or repeated skin exposure because sensitization can develop after contact.
Minimize exposure of pregnant, breastfeeding, or potentially reproductive-age personnel in accordance with applicable occupational requirements.
Control oxygen exposure, temperature, and contamination during storage and blending.
Prevent accidental inclusion in cosmetic products marketed in the European Union.
Validate cleaning procedures for equipment previously used with Lilial.
Review current classification, regulatory status, technical specifications, occupational controls, environmental obligations, and waste procedures before production, formulation, storage, transport, or disposal.
