DIPROPYLENE GLYCOL

Dipropylene Glycol is a mixture of propylene glycol oligomers commonly used as a versatile solvent, humectant, and carrier fluid in fragrance, personal care, and industrial formulations.
Dipropylene Glycol is widely used to dissolve and carry fragrance materials, improve product stability, and provide controlled evaporation in a broad range of liquid systems.
Dipropylene Glycol is valued for low odor, good solvency, high boiling point, and broad compatibility with water, alcohols, and many organic ingredients.

CAS Number: 25265-71-8
EC Number: 246-770-3
Molecular Formula: C6H14O3
Molecular Weight: 134.17 g/mol

Synonyms: Dipropylene Glycol, DPG, Dipropylenglycol, Di(propylene glycol), Propylene Glycol Dimer, Oxybispropanol, 1-(2-Hydroxypropoxy)-2-propanol, 2-(2-Hydroxypropoxy)-1-propanol, Dipropylene Glycol Solvent, Dipropylene Glycol Carrier, Dipropylene Glycol Fragrance Diluent, Dipropylene Glycol Humectant, Dipropylene Glycol, DPG, Dipropylene glycol, Di(propylene glycol), DPG Glycol, Dipropylene Glycol Isomer Mix, Dipropylene Glycol Mixture, Mixed Dipropylene Glycol Isomers, DPG Industrial Grade, DPG Technical Grade, DPG USP Grade, DPG Cosmetic Grade, DPG Pharmaceutical Grade, DPG Fragrance Grade, DPG Perfumery Grade, DPG Solvent Grade, Dipropylene Glycol Solvent, Dipropylene Glycol Humectant, Dipropylene Glycol Carrier, Dipropylene Glycol Diluent, Dipropylene Glycol Plasticizer, Dipropylene Glycol Intermediate, Dipropylene Glycol Chemical Intermediate, Dipropylene Glycol Raw Material, Dipropylene Glycol Feedstock, Dipropylene Glycol High Purity, Dipropylene Glycol 99%, Dipropylene Glycol Anhydrous, Dipropylene Glycol Clear Liquid, Dipropylene Glycol Colorless Liquid, Oxybispropanol, Oxydi-2-propanol, DPG Alcohol, DPG Polyol, Dipropylene Glycol Polyol, Dipropylene Glycol Fluid, Dipropylene Glycol Base Fluid, Dipropylene Glycol Formulation Aid, Dipropylene Glycol Blending Agent, Dipropylene Glycol Coupling Agent, Dipropylene Glycol Co-Solvent, Dipropylene Glycol Water-Miscible Solvent, Dipropylene Glycol Hygroscopic Liquid, Dipropylene Glycol Low Odor Solvent, Dipropylene Glycol Personal Care Grade, Dipropylene Glycol Food Contact Grade, Dipropylene Glycol Flavor Carrier, Dipropylene Glycol Aroma Carrier, Dipropylene Glycol Ink Solvent, Dipropylene Glycol Coating Solvent, Dipropylene Glycol Cleaning Solvent, Dipropylene Glycol Industrial Solvent, Dipropylene Glycol Processing Aid, Dipropylene Glycol Functional Fluid, Dipropylene Glycol Resin Diluent, Dipropylene Glycol Polymer Additive, Dipropylene Glycol Specialty Chemical, Dipropylene Glycol Fine Chemical, Dipropylene Glycol Laboratory Grade, Dipropylene Glycol Reagent Grade, Dipropylene Glycol ACS Grade, Dipropylene Glycol Purified, Dipropylene Glycol Ultra Pure, Dipropylene Glycol Multi-Purpose Solvent, Dipropylene Glycol Emollient, Dipropylene Glycol Moisturizer, Dipropylene Glycol Stabilizer, Dipropylene Glycol Vehicle, Dipropylene Glycol Liquid Carrier, Dipropylene Glycol Solubilizer, Dipropylene Glycol Miscible Glycol

APPLICATIONS

Dipropylene Glycol is used in fine fragrance concentrates as a diluent to improve solubility and smooth evaporation.
Dipropylene Glycol is used in perfume oils to reduce harshness and help stabilize fragrance blends.
Dipropylene Glycol is incorporated into fragrance compounds to support clarity and reduce separation.

Dipropylene Glycol is used in air fresheners and room sprays as a carrier solvent for perfume oils.
Dipropylene Glycol is used in reed diffusers to control evaporation rate and extend scent release.
Dipropylene Glycol is used in scented candle and wax additive systems where controlled volatility is beneficial.

Dipropylene Glycol is used in body mists to improve fragrance solubility and reduce haze in hydroalcoholic systems.
Dipropylene Glycol is incorporated into deodorants to support fragrance delivery and improve skin feel.
Dipropylene Glycol is used in aftershaves to soften alcohol harshness and improve sensory profile.

Dipropylene Glycol is used in creams and lotions as a solvent and humectant to improve skin feel.
Dipropylene Glycol is added to serums to support solubility of actives and improve slip.
Dipropylene Glycol is used in gel products to support clarity and reduce tack when balanced with other humectants.

Dipropylene Glycol is used in shampoos and body washes to help solubilize fragrance oils and improve product clarity.
Dipropylene Glycol is incorporated into liquid soaps to support uniform distribution of fragrance and functional additives.
Dipropylene Glycol is used in cleansing wipes to help keep perfume and additives evenly dispersed.

Dipropylene Glycol is used in hair styling sprays to reduce stickiness and improve spray pattern in compatible systems.
Dipropylene Glycol is incorporated into leave-in conditioners to improve slip and reduce residue.
Dipropylene Glycol is used in hair tonics to improve spreading and uniform application.

Dipropylene Glycol is used in cosmetic formulations to help dissolve certain preservatives and improve compatibility in water-rich systems.
Dipropylene Glycol is incorporated into makeup setting sprays to improve feel and reduce tack.
Dipropylene Glycol is used in foundations and concealers to support pigment wetting and texture uniformity.

Dipropylene Glycol is used in ink and coating formulations as a high-boiling solvent to improve flow and leveling.
Dipropylene Glycol is incorporated into water-based paints to reduce dry-spray and improve film formation.
Dipropylene Glycol is used in printing inks to control drying rate and improve gloss development.

Dipropylene Glycol is used in industrial cleaners to improve solvency for oily soils while maintaining water compatibility.
Dipropylene Glycol is incorporated into degreasers to improve wetting and reduce streaking.
Dipropylene Glycol is used in glass cleaners to improve flow and reduce rapid evaporation marks.

Dipropylene Glycol is used in antifreeze and heat-transfer fluid concepts as a glycol component in compatible blends.
Dipropylene Glycol is used in deicing formulations where water miscibility and low volatility improve performance.
Dipropylene Glycol is applied in hydraulic and functional fluids as a solvent and viscosity modifier in selected systems.

Dipropylene Glycol is used in polyurethane and resin manufacturing as a reactive diluent and solvent in compatible processes.
Dipropylene Glycol is incorporated into chemical synthesis routes where a diol-containing solvent improves process control.
Dipropylene Glycol is used in esterification and etherification processes where high-boiling carriers are required.

Dipropylene Glycol is used in agricultural formulations as a solvent and co-solvent for certain actives and adjuvants.
Dipropylene Glycol is incorporated into emulsifiable concentrates to improve stability and reduce crystallization.
Dipropylene Glycol is used in sprayable formulations where controlled evaporation improves deposition.

Dipropylene Glycol is used in electronics and industrial cleaning as a solvent for flux residues in compatible systems.
Dipropylene Glycol is used in specialty maintenance formulations where low odor and slow evaporation are preferred.
Dipropylene Glycol is used where a safer, high-boiling carrier improves handling and reduces flammability concerns.

Dipropylene Glycol is used in laboratory preparations as a solvent for standards and test mixtures.
Dipropylene Glycol is used in processing aids where controlled volatility supports consistent mixing and dosing.
Dipropylene Glycol is valued across industries because it combines low odor, good solvency, and broad formulation compatibility.

Dipropylene Glycol is used as a solvent in fragrances and perfumes.
Dipropylene Glycol helps dissolve aroma chemicals and essential oils for stable blends.
Dipropylene Glycol supports clear solutions and consistent scent delivery.

Dipropylene Glycol is used as a carrier solvent in deodorants and body sprays.
Dipropylene Glycol helps disperse fragrance components evenly through the formula.
Dipropylene Glycol supports controlled evaporation and reduced harshness on skin.

Dipropylene Glycol is used as a humectant in personal care formulations.
Dipropylene Glycol helps retain moisture in creams, lotions, and cleansers.
Dipropylene Glycol supports smoother skin feel and reduced tightness after use.

Dipropylene Glycol is used in hair care products as a solvent and conditioning aid.
Dipropylene Glycol helps solubilize actives and fragrance in shampoos and conditioners.
Dipropylene Glycol supports improved combability and reduced flyaway in some systems.

Dipropylene Glycol is used in liquid soaps and hand washes as a solvent.
Dipropylene Glycol helps keep fragrance and additives uniformly mixed.
Dipropylene Glycol supports stable viscosity and reduced clouding.

Dipropylene Glycol is used as a coupling agent in household and institutional cleaners.
Dipropylene Glycol improves solubilization of hydrophobic soils and surfactant blends.
Dipropylene Glycol supports clarity and performance in multi-component cleaners.

Dipropylene Glycol is used in glass cleaners and surface sprays.
Dipropylene Glycol improves wetting and controlled drying to reduce streaking.
Dipropylene Glycol helps dissolve light oily films and fingerprints.

Dipropylene Glycol is used in paint and coating formulations as a coalescent and solvent.
Dipropylene Glycol helps improve film formation in water-based coatings.
Dipropylene Glycol supports smoother finishes and reduced defects during drying.

Dipropylene Glycol is used in inks and printing formulations as a solvent and viscosity modifier.
Dipropylene Glycol helps control drying rate for consistent print quality.
Dipropylene Glycol supports stable pigment dispersion in certain systems.

Dipropylene Glycol is used in water-based adhesives to adjust open time and flow.
Dipropylene Glycol helps maintain workable viscosity during application.
Dipropylene Glycol supports smoother spreading and improved wet tack.

Dipropylene Glycol is used in polyurethane systems as a reactive diluent and intermediate in some formulations.
Dipropylene Glycol can participate in polyester polyol production.
Dipropylene Glycol supports tuning flexibility and hardness through polyol design.

Dipropylene Glycol is used in alkyd resin manufacturing as a polyol component.
Dipropylene Glycol contributes hydroxyl functionality for resin synthesis.
Dipropylene Glycol supports adjustment of viscosity and drying properties in coatings.

Dipropylene Glycol is used in plasticizer and solvent blends for specialty polymers.
Dipropylene Glycol supports compatibility between polymer and additive packages.
Dipropylene Glycol helps improve processing and flexibility in select formulations.

Dipropylene Glycol is used in textile dyeing and printing as a solvent and carrier.
Dipropylene Glycol helps dissolve dyestuffs and auxiliaries for uniform application.
Dipropylene Glycol supports controlled penetration into fibers during processing.

Dipropylene Glycol is used in textile finishing to carry softeners and functional additives.
Dipropylene Glycol improves distribution of hydrophobic finishing agents in water-based baths.
Dipropylene Glycol supports consistent fabric hand feel after drying.

Dipropylene Glycol is used in industrial heat transfer fluid formulations as a component in glycol blends.
Dipropylene Glycol supports freeze protection and heat stability in closed systems.
Dipropylene Glycol helps reduce volatility compared with lower molecular weight glycols.

Dipropylene Glycol is used in antifreeze and coolant additive packages in certain industrial applications.
Dipropylene Glycol supports controlled viscosity and reduced evaporation losses.
Dipropylene Glycol helps maintain stable performance across temperature cycles.

Dipropylene Glycol is used in hydraulic fluids and functional fluids as a solvent and viscosity modifier.
Dipropylene Glycol supports lubricity and low-temperature flow in water-glycol systems.
Dipropylene Glycol helps maintain stable performance under shear.

Dipropylene Glycol is used in aerosol formulations as a solvent for actives and fragrances.
Dipropylene Glycol supports uniform spray characteristics and stable product performance.
Dipropylene Glycol helps reduce crystallization of certain actives.

Dipropylene Glycol is used in air fresheners and reed diffuser liquids as a carrier.
Dipropylene Glycol supports slow, steady fragrance release.
Dipropylene Glycol helps stabilize fragrance notes over time.

Dipropylene Glycol is used in incense and scented product manufacturing as a fragrance solvent.
Dipropylene Glycol helps distribute perfume evenly through porous substrates.
Dipropylene Glycol supports consistent scent intensity during use.

Dipropylene Glycol is used in pharmaceuticals as a solvent for selected topical and oral formulations.
Dipropylene Glycol supports solubilization of certain active ingredients and excipients.
Dipropylene Glycol helps improve dose uniformity in liquid preparations.

Dipropylene Glycol is used in topical gels and creams to improve texture and spread.
Dipropylene Glycol acts as a co-solvent that can enhance active delivery in some systems.
Dipropylene Glycol supports non-greasy feel while maintaining moisturization.

Dipropylene Glycol is used in veterinary products as a solvent and carrier.
Dipropylene Glycol helps stabilize actives in liquid dosage forms.
Dipropylene Glycol supports consistent application in topical products.

Dipropylene Glycol is used in cleaning concentrates to improve low-temperature stability.
Dipropylene Glycol helps prevent phase separation in cold storage conditions.
Dipropylene Glycol supports clarity and pourability in winter logistics.

Dipropylene Glycol is used as a processing solvent in chemical manufacturing.
Dipropylene Glycol supports controlled reaction media for certain syntheses.
Dipropylene Glycol helps manage viscosity and heat transfer in reactors.

Dipropylene Glycol is used in electronics cleaning and flux removal blends.
Dipropylene Glycol helps dissolve polar residues and certain organic soils.
Dipropylene Glycol supports controlled evaporation to reduce spotting.

Dipropylene Glycol is used in leather care products as a solvent and humectant.
Dipropylene Glycol helps maintain softness by reducing drying during storage.
Dipropylene Glycol supports even distribution of conditioning agents.

Dipropylene Glycol is used in construction chemicals such as sealants and grouts as a solvent or plasticizing aid.
Dipropylene Glycol supports workability and controlled curing in certain systems.
Dipropylene Glycol helps reduce cracking by moderating drying behavior.

Dipropylene Glycol is used in pigment and dye concentrates as a solvent base.
Dipropylene Glycol supports stable dispersions with reduced sedimentation.
Dipropylene Glycol helps maintain consistent color strength during storage.

Dipropylene Glycol is used in laboratory formulations as a high-boiling polar solvent.
Dipropylene Glycol supports solubility screening for diverse organic compounds.
Dipropylene Glycol helps create stable standards and reference solutions.

Dipropylene Glycol is used in floor care products to improve leveling and gloss.
Dipropylene Glycol supports smooth film formation in water-based finishes.
Dipropylene Glycol helps slow drying just enough to reduce lap marks.

Dipropylene Glycol is used in automotive detailing products as a solvent and wetting aid.
Dipropylene Glycol helps dissolve light grime and improve wipe-off.
Dipropylene Glycol supports reduced streaking on glossy surfaces.

DESCRIPTION

Dipropylene Glycol is typically a clear, colorless, hygroscopic liquid with a faint, mild odor.
Dipropylene Glycol is a mixture of isomeric diols formed by the coupling of propylene glycol units, resulting in a higher-boiling glycol solvent.
Dipropylene Glycol is miscible with water and many organic solvents, making it a flexible co-solvent in complex formulations.

Dipropylene Glycol is a colorless, nearly odorless liquid composed of propylene glycol oligomers.
Dipropylene Glycol is commonly supplied as a mixture of isomers with consistent performance properties.
Dipropylene Glycol has a relatively high boiling point compared with propylene glycol.

Dipropylene Glycol is miscible with water and many organic solvents.
Dipropylene Glycol is an effective co-solvent for fragrance materials and functional additives.
Dipropylene Glycol supports stable blends by improving solubility of hydrophobic components.

Dipropylene Glycol functions as a humectant by binding water and reducing moisture loss.
Dipropylene Glycol can improve skin feel by reducing dryness in leave-on products.
Dipropylene Glycol is often selected for its low odor and good sensory profile.

Dipropylene Glycol has a moderate evaporation rate that supports controlled drying in cleaners and coatings.
Dipropylene Glycol can reduce streaking by extending wet time on smooth surfaces.
Dipropylene Glycol helps improve leveling and film formation in water-based systems.

Dipropylene Glycol is generally compatible with common surfactants, polymers, and many preservatives.
Dipropylene Glycol can help reduce haze by acting as a coupling solvent in mixed systems.
Dipropylene Glycol supports formulation flexibility across a wide pH range.

Dipropylene Glycol provides humectancy by binding water and supporting moisture retention in personal care systems.
Dipropylene Glycol is commonly used as a fragrance carrier because it dissolves many perfume materials and slows evaporation for longer-lasting release.
Dipropylene Glycol helps improve processing by reducing viscosity and improving flow in concentrates and finished products.

Dipropylene Glycol is generally stable under normal storage conditions and shows good compatibility with many common ingredients.
Dipropylene Glycol should be protected from contamination and excessive heat to maintain consistent quality.
Dipropylene Glycol should be stored in tightly closed containers to minimize moisture uptake and ensure predictable performance.

PROPERTIES

Chemical Formula: C6H14O3
Molecular Weight: 134.17 g/mol
Common Name: Dipropylene Glycol (DPG)
Chemical Nature: Glycol ether / diol mixture (propylene glycol dimer)
Appearance: Clear, colorless liquid
Odor: Mild, faint odor
Solubility: Miscible with water; miscible with many alcohols and organic solvents
Boiling Point: ~230–235°C (typical; grade dependent)
Melting Point: < -20°C (typical; grade dependent)
Density: ~1.02 g/cm³ (typical; grade dependent)
Flash Point: ~120°C (typical; closed cup, grade dependent)
Viscosity: Moderate; temperature dependent
Hygroscopicity: Hygroscopic; absorbs moisture from air
Stability: Stable under normal conditions; avoid strong oxidizers
Storage Temperature: 15–30°C, tightly closed, protected from moisture
Shelf Life: Typically 24 months in original sealed packaging (supplier dependent)

FIRST AID

Inhalation:
Move to fresh air if vapors or mists are inhaled.
Seek medical attention if respiratory irritation persists.
Avoid prolonged breathing of mists during spraying or heated processing.

Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.

Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.

Ingestion:
Rinse mouth with water.
Do not induce vomiting unless directed by medical personnel.
Seek medical attention if a large amount is swallowed or discomfort occurs.

Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care based on exposure route and symptoms.

HANDLING AND STORAGE

Handling:
Use appropriate PPE including gloves and safety glasses.
Avoid generating aerosols or mists during transfer and mixing.
Wash hands after handling and before eating, drinking, or smoking.

Ventilation:
Use local exhaust or general ventilation where mists may be generated.
Provide adequate ventilation during spraying or high-shear operations.
Avoid prolonged exposure in enclosed areas when material is heated.

Storage:
Store in a cool, dry place in tightly closed containers.
Protect from moisture uptake to maintain consistent water content.
Keep away from strong oxidizers and sources of contamination.

Spill and Leak Procedures:
Contain the spill and absorb with inert material such as sand or universal absorbent.
Clean residue with water and detergent while preventing slip hazards.
Dispose of waste according to local regulations and facility procedures.

Handling Precautions:
Maintain good housekeeping because spills can create slip hazards.
Use clean, dedicated equipment to prevent cross-contamination in fragrance and personal care manufacturing.
Rotate stock using FIFO practices to maintain consistent quality and performance.