SEBACIC ACID

Sebacic Acid is a linear aliphatic dicarboxylic acid commonly known as decanedioic acid and widely used as a versatile intermediate for polymers and specialty chemicals.
Sebacic Acid is used as a monomer and building block in polyamides, polyesters, plasticizers, lubricants, and coatings where flexibility, durability, and hydrolysis resistance are needed.
Sebacic Acid is valued for its bifunctional carboxylic structure, reliable reactivity in esterification and condensation, and availability from renewable castor-oil based feedstocks in many supply chains.

CAS Number: 111-20-6
EC Number: 203-845-5
Molecular Formula: C10H18O4
Molecular Weight: 202.25 g/mol

Synonyms: Sebacic Acid, Decanedioic Acid, 1,8-Octanedicarboxylic Acid (common mislabel), Decane-1,10-dioic acid, Dodecanedioic Acid (common confusion), Sebacic Acid Powder, Sebacic Acid Flakes, Sebacic Acid Technical Grade, Sebacic Acid Polymer Grade, Sebacic Acid Industrial Grade, Decanedioic Acid Reagent Grade, Sebacic Acid, Decanedioic Acid, 1,10-Decanedioic Acid, n-Decanedioic Acid, Decane-1,10-Dioic Acid, Decamethylenedicarboxylic Acid, Sebacic Acid USP, Sebacic Acid BP, Sebacic Acid EP, Sebacic Acid FCC, Sebacic Acid Food Grade, Sebacic Acid Technical Grade, Sebacic Acid Industrial Grade, Sebacic Acid Cosmetic Grade, Sebacic Acid Pharmaceutical Grade, Sebacic Acid Polymer Grade, Sebacic Acid Nylon Grade, Sebacic Acid Plasticizer Grade, Sebacic Acid Lubricant Grade, High Purity Sebacic Acid, Sebacic Acid 99%, Sebacic Acid 98%, Sebacic Acid Powder, Sebacic Acid Flakes, Sebacic Acid Crystalline, White Sebacic Acid, Bio-Based Sebacic Acid, Castor Oil Derived Sebacic Acid, Natural Sebacic Acid, Synthetic Sebacic Acid, Long-Chain Dicarboxylic Acid C10, C10 Dicarboxylic Acid, C10 Diacid, Aliphatic Dicarboxylic Acid C10, Linear Dicarboxylic Acid C10, Saturated Dicarboxylic Acid C10, Organic Diacid C10, Sebacate Acid, Decanedioate Acid, Sebacic Diacid, Decane Diacid, Sebacic Acid Monomer, Polymer Intermediate Sebacic Acid, Nylon 6,10 Monomer Acid, Nylon Salt Acid C10, Polyamide Intermediate C10, Polyester Intermediate C10, Plasticizer Intermediate C10, Lubricant Intermediate C10, Esterification Grade Sebacic Acid, Sebacic Acid for Sebacates, Sebacic Acid Ester Precursor

APPLICATIONS

Sebacic Acid is used as a monomer in polyamide production, including nylon grades where flexibility and chemical resistance are required.
Sebacic Acid is used in nylon 6,10 manufacturing to provide improved moisture behavior and dimensional stability in finished polymers.
Sebacic Acid is incorporated into specialty polyamides for automotive, electrical, and consumer goods applications.

Sebacic Acid is used in polyester synthesis to produce flexible, hydrolysis-resistant polyester materials.
Sebacic Acid is applied in biodegradable polyester concepts where aliphatic diacids support controlled degradation behavior.
Sebacic Acid is used in copolyesters to improve toughness and low-temperature performance.

Sebacic Acid is used in plasticizer production through esterification with alcohols to form sebacate esters.
Sebacic Acid is used to manufacture dibutyl sebacate and related sebacates for flexible plastics and specialty formulations.
Sebacic Acid is applied in low-temperature plasticizer systems where good cold-flex performance is important.

Sebacic Acid is used in synthetic lubricants as a precursor for sebacate ester base stocks with good viscosity behavior.
Sebacic Acid is incorporated into lubricant ester chemistry to improve low-temperature flow and oxidative stability.
Sebacic Acid is used in aviation and specialty hydraulic fluid concepts where ester lubricity is valuable.

Sebacic Acid is used in coatings and paints via alkyd and polyester resin manufacture to improve film flexibility.
Sebacic Acid is applied in powder coating resin systems to modify toughness and reduce brittleness.
Sebacic Acid is used in industrial coatings where chemical resistance and durability are required.

Sebacic Acid is used in adhesives and sealants through polyester and polyamide intermediates that improve flexibility and bonding.
Sebacic Acid is incorporated into hot-melt adhesive formulations via compatible polymer backbones and modifiers.
Sebacic Acid is used in reactive adhesive systems where diacid functionality supports controlled crosslinking.

Sebacic Acid is used in polyurethane chemistry as an intermediate for polyester polyols and specialty prepolymers.
Sebacic Acid is applied in elastomeric systems where flexible segments improve resilience and impact performance.
Sebacic Acid is used in casting and molding materials where toughness and low-temperature flexibility are desired.

Sebacic Acid is used in plastic compounding as a feedstock for additives and processing aids based on sebacate esters.
Sebacic Acid is applied in formulations where improved flexibility is needed without sacrificing clarity in compatible systems.
Sebacic Acid is used in specialty PVC plasticizer packages where cold performance is a key requirement.

Sebacic Acid is used in metalworking fluids through sebacate ester lubricity components and corrosion-control strategies.
Sebacic Acid is incorporated into boundary-lubrication additives where ester chemistry improves lubricity in water-based systems.
Sebacic Acid is used in process fluids where low odor and stable performance are preferred.

Sebacic Acid is used in corrosion inhibitor synthesis as a building block for metal carboxylates and protective additives.
Sebacic Acid is applied in rust-preventive coatings where carboxylic functionality supports adhesion and film formation.
Sebacic Acid is used in inhibitor packages where film persistence helps reduce metal attack in humid environments.

Sebacic Acid is used in personal care formulations as a pH-adjusting and buffering-support ingredient in compatible systems.
Sebacic Acid is incorporated into specialty cosmetic emulsions where mild acidity and formulation stability are required.
Sebacic Acid is used in product development where dicarboxylic acids are selected for performance and formulation flexibility.

Sebacic Acid is used in pharmaceutical and laboratory synthesis as an intermediate for active ingredient and excipient chemistry.
Sebacic Acid is applied in chemical research as a representative aliphatic diacid for polymer and esterification studies.
Sebacic Acid is used in analytical and method development work where controlled purity diacids are required.

Sebacic Acid is used in fragrance and flavor manufacturing primarily as a chemical intermediate for ester derivatives.
Sebacic Acid is incorporated into aroma chemical value chains where diacid esters provide specific volatility and sensory properties.
Sebacic Acid is used where stable, low-volatility ester structures are desired for long-lasting performance.

Sebacic Acid is used in textile and leather finishing via resin and softener intermediates based on sebacate chemistry.
Sebacic Acid is applied in fiber processing where flexible polymer segments improve hand feel and durability.
Sebacic Acid is used in specialty finishes where improved softness and film toughness are required.

Sebacic Acid is used in engineering plastics and composites through polyamide and polyester matrices designed for durability.
Sebacic Acid is incorporated into formulations where improved impact resistance and crack resistance are targeted.
Sebacic Acid is valued in high-performance materials where consistent monomer quality supports reliable polymerization.

Sebacic Acid is used in industrial manufacturing as a renewable-feedstock diacid when produced from castor oil based routes.
Sebacic Acid is applied in sustainability-oriented product lines where bio-based raw materials are preferred.
Sebacic Acid is selected when a linear diacid is needed to balance flexibility, chemical resistance, and processability.

DESCRIPTION

Sebacic Acid is typically a white crystalline powder or flakes with little to no odor.
Sebacic Acid is a straight-chain aliphatic dicarboxylic acid that provides two reactive carboxyl groups for condensation and esterification reactions.
Sebacic Acid is commonly produced through oxidation and cleavage routes starting from castor oil derived intermediates in many commercial processes.

Sebacic Acid is slightly soluble in water and more soluble in alcohols and many organic solvents, depending on temperature and purity.
Sebacic Acid forms salts with bases and forms sebacate esters with alcohols, which are major routes for its industrial use.
Sebacic Acid is widely used in polymer manufacturing because it contributes flexible segments and improves hydrolysis resistance compared with some aromatic diacids.

Sebacic Acid performance depends on purity, moisture level, and particle form, especially in polymer-grade applications.
Sebacic Acid should be protected from contamination and moisture pickup to maintain consistent reactivity and handling.
Sebacic Acid should be stored properly to preserve flowability and quality during long storage periods.

PROPERTIES

Chemical Formula: C10H18O4
Molecular Weight: 202.25 g/mol
Common Name: Sebacic Acid (Decanedioic Acid)
Chemical Nature: Linear aliphatic dicarboxylic acid
Appearance: White crystalline powder, flakes, or granules
Odor: Odorless to faint characteristic
Solubility: Slightly soluble in water; soluble in ethanol and many organic solvents (temperature dependent)
Melting Point: ~133–135°C
Boiling Point: Decomposes at elevated temperature (typical for diacids)
Density: ~1.20–1.22 g/cm³ (typical; grade dependent)
pKa (approx.): ~4.7 and ~5.4 (typical for dicarboxylic acids)
Flash Point: Not typically applicable for non-volatile solids
Stability: Stable under normal conditions; avoid strong oxidizers and excessive heat
Storage Temperature: 15–30°C, dry, tightly closed
Shelf Life: Typically 24 months in original sealed packaging (supplier dependent)

FIRST AID

Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if coughing or respiratory irritation persists.
Avoid breathing dust during handling and transfer.

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 dust during weighing, pouring, or conveying.
Wash hands after handling and before eating, drinking, or smoking.

Ventilation:
Use local exhaust or general ventilation where dust may be generated.
Maintain good airflow during charging and mixing operations.
Minimize airborne particulate accumulation in enclosed areas.

Storage:
Store in a cool, dry place away from moisture and heat sources.
Keep containers tightly sealed and properly labeled.
Protect from contamination to maintain polymer-grade consistency when applicable.

Spill and Leak Procedures:
Sweep or vacuum spilled material using methods that minimize dust generation.
Collect in suitable containers for disposal according to local regulations.
Clean residue with water while preventing slip hazards on wet surfaces.

Handling Precautions:
Avoid contact with strong oxidizers and unnecessary high-temperature exposure.
Use clean, dedicated equipment for regulated supply chains when applicable.
Rotate stock using FIFO practices to maintain consistent quality and performance.