Dibutyl Adipate, Butyl Adipate, DBA, 105-99-7
DIBUTYL ADIPATE (DBA)
Hexanedioic Acid Dibutyl Ester - Adipic Acid Dibutyl Ester
CAS: 105-99-7
| Product Name |
Dibutyl Adipate (DBA) |
| CAS Number |
105-99-7 |
| EC Number |
203-350-7 |
| Chemical Class |
Diester |
| Synonyms |
Dibutyl Adipate, DBA, Adipic Acid Dibutyl Ester, Hexanedioic Acid Dibutyl Ester, Di-n-butyl Adipate, Butyl Adipate |
ITEM 1: PRODUCT IDENTITY AND NOMENCLATURE
| Parameter |
Description |
| IUPAC Name |
Dibutyl Hexane-1,6-dioate |
| Chemical Formula |
C₁₄H₂₆O₄ |
| Molecular Weight |
258.36 g/mol |
| CAS Number |
105-99-7 |
| EC Number |
203-350-7 |
| Synonyms |
Dibutyl Adipate, DBA, Adipic Acid Dibutyl Ester, Hexanedioic Acid Dibutyl Ester, Di-n-butyl Adipate, Butyl Adipate, Adipic Acid Di-n-butyl Ester |
| HS Code |
2917.12.00.00.00 |
| REACH Status |
Registered and compliant |
Description: Dibutyl Adipate (DBA) is the diester of butyl alcohol and adipic acid. It is a clear, colorless, oily liquid. It is widely used in cosmetic and personal care products, particularly in nail polishes and skin care products. Additionally, it serves as a plasticizer for synthetic polymers and provides softening and smoothing effects on the skin.
ITEM 2: CHEMICAL STRUCTURE AND MOLECULAR PROPERTIES
| Parameter |
Description |
| Chemical Family |
Diester |
| Structure |
Dibutyl ester of adipic acid |
| Functional Groups |
Two ester groups (-COO-) |
| Molecular Structure |
C₄H₉-OOC-(CH₂)₄-COO-C₄H₉ |
| SMILES |
CCCCOC(=O)CCCCC(=O)OCCCC |
| InChI Key |
VKKWRPVXLZSCNZ-UHFFFAOYSA-N |
| Ester Type |
Di-n-butyl ester |
Structural Formula:
text
O O
|| ||
C₄H₉-O-C-(CH₂)₄-C-O-C₄H₉
Description: Dibutyl Adipate is a diester formed by the esterification of adipic acid with two molecules of butyl alcohol. The molecule features a long carbon chain and two ester groups. This structure imparts properties such as low toxicity, good solubility, and high compatibility with polymers.
ITEM 3: PHYSICAL APPEARANCE AND FORM
| Parameter |
Specification |
Test Method |
| Appearance |
Clear, colorless liquid |
Visual Inspection |
| Physical Form |
Liquid (oily) |
Visual Inspection |
| Odor |
Mild ester odor |
Organoleptic |
| Color (APHA) |
≤ 50 |
ASTM D1209 |
| Clarity |
Clear, free from sediment |
Visual Inspection |
Description: Dibutyl Adipate is a clear, colorless, oily liquid with a mild characteristic ester odor. It is supplied in high purity and contains no visible sediment or turbidity.
ITEM 4: THERMAL PROPERTIES
| Property |
Specification / Value |
Test Method |
| Melting Point |
-32 °C |
DSC |
| Boiling Point |
305 °C |
– |
| Boiling Point (760 mmHg) |
305 °C (decomposes) |
– |
| Boiling Point (10 mmHg) |
~180 °C |
– |
| Flash Point (Closed Cup) |
> 93 °C |
ASTM D93 |
| Auto-ignition Temperature |
~370 °C |
– |
| Vapor Pressure (20°C) |
< 0.01 mmHg |
– |
| Thermal Stability |
Stable up to 200°C |
– |
Description: Dibutyl Adipate has a low melting point of -32°C and remains liquid over a wide temperature range. Its boiling point is 305°C, at which it begins to decompose. The high boiling point and low vapor pressure indicate low volatility. The flash point is above 93°C, indicating it is combustible but not readily flammable.
ITEM 5: PHYSICAL PROPERTIES
| Property |
Specification |
Typical Value |
Test Method |
| Density (20°C) |
0.960 – 0.965 g/cm³ |
0.962 g/cm³ |
ASTM D4052 |
| Density (25°C) |
0.955 – 0.960 g/cm³ |
0.958 g/cm³ |
ASTM D4052 |
| Refractive Index (20°C) |
1.435 – 1.440 |
1.437 |
ASTM D1218 |
| Viscosity (25°C) |
~4.0 – 5.0 cP |
4.3 cP |
– |
| Surface Tension |
~30 dyn/cm |
– |
– |
| Dielectric Constant |
~4.5 |
– |
– |
Description: Dibutyl Adipate has a density lower than water (0.962 g/cm³) and low viscosity. These properties make it easy to handle and incorporate into various formulations.
ITEM 6: SOLUBILITY AND MISCIBILITY
| Solvent / Medium |
Solubility / Miscibility |
| Water |
Insoluble |
| Alcohol (Ethanol) |
Soluble |
| Acetone |
Completely miscible |
| Ether |
Completely miscible |
| Chloroform |
Completely miscible |
| Benzene |
Completely miscible |
| Toluene |
Completely miscible |
| Hexane |
Completely miscible |
| Oils |
Completely miscible |
| Polymers (PVC, Cellulose) |
High compatibility |
Description: Dibutyl Adipate is insoluble in water but completely miscible with most organic solvents (alcohol, acetone, ether, chloroform, benzene, toluene, hexane, oils). It shows high compatibility with polymers (PVC, cellulose), making it ideal as a plasticizer.
ITEM 7: PURITY AND ANALYTICAL SPECIFICATIONS
| Parameter |
Specification |
Typical Value |
Test Method |
| Purity (GC) |
≥ 99.0% |
99.5% |
GC |
| Purity (Industrial) |
≥ 98.0% |
99.0% |
GC |
| Acid Value (mg KOH/g) |
≤ 0.30 |
0.10 |
Titration |
| Water Content |
≤ 0.20% |
0.05% |
Karl Fischer |
| Color (APHA) |
≤ 50 |
20 |
ASTM D1209 |
| Density (25°C) |
0.955 – 0.960 g/cm³ |
0.958 |
ASTM D4052 |
| Refractive Index (20°C) |
1.435 – 1.440 |
1.437 |
ASTM D1218 |
| Heavy Metals (Pb) |
≤ 10 ppm |
<5 ppm |
ICP-MS |
| Arsenic (As) |
≤ 2 ppm |
<1 ppm |
ICP-MS |
Description: Dibutyl Adipate is supplied in high purity (>99.0%). Low acid value and water content indicate high quality and ester stability. Heavy metal content is within strict limits for cosmetic and personal care applications.
ITEM 8: COSMETIC APPLICATIONS (PLASTICIZER AND SOLVENT)
| Application Category |
Function / Benefit |
| Nail Polishes |
Plasticizer, provides flexibility, prevents brittleness |
| Skin Care Creams |
Emollient, softening, smoothing |
| Sunscreens |
Solvent, UV filter carrier |
| Makeup Removers |
Solvent, oil-dissolving |
| Makeup Products |
Softening, carrier |
| Hair Care Products |
Softening, shine enhancement |
| Hair Dyes |
Solvent, carrier |
| Oral Care Products |
Auxiliary agent |
| Shaving Lotions |
Softening, emollient |
| Personal Care Products |
Solvent, carrier |
| Baby Products |
Softening, gentle formulation |
| Emulsion Stabilizer |
Formulation stabilization |
| Pigment Dispersion |
Pigment carrier |
Description: In cosmetics, Dibutyl Adipate functions as a plasticizer, emollient, and solvent. In nail polishes, it enhances film flexibility, reducing brittleness and cracking. In skin products, it provides a soft and smooth skin appearance. In sunscreens, it is an effective solvent and carrier for UV filters.
ITEM 9: NAIL POLISH APPLICATIONS
| Application |
Function / Benefit |
| Nail Polish Formulations |
Provides flexibility, prevents cracking |
| Base and Top Coats |
Flexibility, adhesion, gloss |
| Color Nail Polishes |
Pigment dispersion, film quality |
| Nail Care Products |
Softening, flexibility provider |
| Gel Nail Polishes |
Plasticizer |
Usage Level:
| Application |
Recommended Level |
Notes |
| Nail Polish Formulations |
5 – 10% |
For film flexibility and quality |
| Base and Top Coats |
3 – 8% |
For adhesion and gloss |
| Gel Nail Polishes |
5 – 15% |
Plasticizing effect |
Description: Dibutyl Adipate is an important plasticizer in nail polish formulations, typically used at 5-10%. It enhances film flexibility, reducing brittleness and cracking of nail polishes, providing a more durable and glossy appearance.
ITEM 10: PLASTICIZER APPLICATIONS
| Application |
Function / Benefit |
| PVC Production |
Flexibility, processability, softness |
| Resins |
Plasticizer, softener |
| Floor Waxes |
Flexibility, gloss, durability |
| Polymer Additives |
Processing aid, flexibility |
| Cellulose Esters |
Plasticizer |
| Polyvinyl Acetate |
Plasticizer |
| Polyester Resins |
Plasticizer |
Description: In industrial applications, Dibutyl Adipate is an effective plasticizer for PVC, resins, and polymers. It imparts flexibility, processability, and softness to polymers. In floor waxes, it provides flexibility and gloss.
ITEM 11: SUNSCREEN AND UV FILTER APPLICATIONS
| Application |
Function / Benefit |
| Sunscreens |
Solvent, UV filter carrier |
| Sun Gels |
Solvent, carrier |
| Sun Lotions |
Emollient, carrier |
| UV Filter Formulations |
Co-solvent |
| Octisalate Compatibility |
Excellent compatibility |
| Homosalate Compatibility |
Excellent compatibility |
Usage Level:
| Application |
Recommended Level |
Notes |
| Sunscreens |
5 – 10% |
As UV filter solvent |
| Sun Gels |
5 – 15% |
Carrier and softener |
| Sun Lotions |
3 – 8% |
Emollient and carrier |
Description: Dibutyl Adipate is an effective solvent and carrier for UV filters in sunscreens. It shows excellent compatibility with Octisalate and Homosalate. It does not absorb UV radiation, making it safe for use in sunscreens. Typical concentrations are around 8% in sun gels, creams, and liquids.
ITEM 12: DETERGENT AND CLEANING APPLICATIONS
| Application |
Function / Benefit |
| Cleaning Products |
Solvent, oil-dissolving |
| Industrial Cleaners |
Co-solvent |
| Makeup Removers |
Oil-dissolving, gentle cleansing |
| Surface Cleaners |
Oil and dirt dissolving |
Description: Dibutyl Adipate is used as an oil-dissolving solvent in makeup removers and other cleaning products. Its gentle nature on skin makes it suitable for makeup removal products.
ITEM 13: SECTOR COMPATIBILITY MATRIX
| Industry |
Suitability |
Application |
Notes |
| Cosmetics |
High |
Nail polish, skin care, sunscreens, hair care |
Widespread use |
| Personal Care |
High |
Lotions, creams, shaving products |
Widespread use |
| Plastics & Polymers |
High |
PVC, resins, plasticizer |
Industrial use |
| Cleaning |
Medium |
Makeup removers, cleaners |
Limited use |
| Floor Waxes |
High |
Floor polishes and waxes |
Industrial use |
| Pharmaceutical |
Medium |
Excipient, topical formulations |
Limited use |
ITEM 14: SAFETY AND TOXICOLOGICAL PROFILE
| Parameter |
Description |
| Acute Oral Toxicity (LD50) |
> 10,000 mg/kg (rat) |
| Acute Dermal Toxicity |
Low |
| Skin Irritation |
Mild irritant |
| Eye Irritation |
Mild irritant |
| Skin Sensitization |
Not expected to be sensitizing |
| Inhalation |
Vapor inhalation may cause irritation |
| Carcinogenicity |
Not classified |
| Mutagenicity |
Not classified |
| Reproductive Toxicity |
Not classified |
| Cosmetic Safety |
CIR (Cosmetic Ingredient Review) deemed safe |
| FDA Status |
Approved for use |
Description: Dibutyl Adipate has low toxicity (LD50 > 10,000 mg/kg). It has been deemed safe for use in cosmetic products by the CIR (Cosmetic Ingredient Review) panel. It may cause mild skin irritation but is not expected to be sensitizing. It is not classified as carcinogenic, mutagenic, or reproductive toxicant.
ITEM 15: HANDLING AND PERSONAL PROTECTIVE EQUIPMENT (PPE)
| Parameter |
Recommendation |
| Ventilation |
Good ventilation or local exhaust |
| Gloves |
Nitrile or neoprene gloves |
| Eye Protection |
Safety goggles |
| Skin Contact |
Wash with soap and water |
| Eye Contact |
Rinse with plenty of water for 15 minutes; seek medical attention |
| Inhalation |
Avoid breathing vapors |
| Ingestion |
Rinse mouth; seek medical attention |
Description: Standard industrial hygiene practices should be followed when handling Dibutyl Adipate. Good ventilation should be provided and inhalation of vapors should be avoided.
ITEM 16: STORAGE AND SHELF LIFE
| Parameter |
Description |
| Storage Temperature |
15 – 30°C |
| Storage Conditions |
Cool, dry, well-ventilated area |
| Light |
Protect from direct sunlight |
| Materials to Avoid |
Strong oxidizers, high heat, acids, bases |
| Packaging Materials |
Stainless steel, HDPE, glass |
| Shelf Life |
24 months (under proper storage) |
| Signs of Degradation |
Color darkening, acidity increase, odor change |
Description: Dibutyl Adipate should be stored in a cool, dry place in tightly closed containers, protected from direct sunlight. Avoid contact with strong oxidizers, acids, and bases. It remains stable for 24 months under proper storage conditions.
ITEM 17: SPILL CLEANUP AND DISPOSAL
| Parameter |
Description |
| Small Spills |
Absorb with inert material (sand, vermiculite) |
| Large Spills |
Dike, absorb with inert material, collect in suitable containers |
| Do Not |
Discharge to sewers or water sources |
| Waste Disposal |
Dispose according to local regulations |
| Environmental Classification |
Slightly toxic to aquatic life |
ITEM 18: PACKAGING AND TRANSPORT INFORMATION
| Parameter |
Description |
| Standard Packaging |
200 kg steel drum |
| Bulk Packaging |
1000 kg IBC |
| Small Packaging |
25 kg (upon request) |
| Packaging Materials |
Stainless steel, HDPE |
| UN Number |
3082 |
| Hazard Class |
9 (Environmentally Hazardous) |
| Packaging Group |
III |
| Transport Temperature |
Ambient temperature |
ITEM 19: REGULATORY AND CERTIFICATION STATUS
| Certificate / Standard |
Status |
| REACH (EC 1907/2006) |
Registered and compliant |
| TSCA (USA) |
Listed |
| EINECS (EU) |
203-350-7 |
| FDA 21 CFR |
Approved for cosmetic use |
| CIR (Cosmetic Ingredient Review) |
Deemed safe |
| ISO 9001:2015 |
Certified manufacturing |
| ISO 14001:2015 |
Environmental Management System |
ITEM 20: SYNONYMS AND ALIASES
| Name |
Description |
| Dibutyl Adipate |
Most common name |
| DBA |
Abbreviation |
| Adipic Acid Dibutyl Ester |
Chemical name |
| Hexanedioic Acid Dibutyl Ester |
Systematic name |
| Di-n-butyl Adipate |
Chemical name |
| Butyl Adipate |
Short name |
| Adipic Acid Di-n-butyl Ester |
Chemical name |
QUALITY AND CERTIFICATION SUMMARY
| Certificate / Standard |
Status |
| ISO 9001:2015 |
Certified manufacturing sites |
| ISO 14001:2015 |
Environmental Management System |
| REACH (EC 1907/2006) |
Registered and compliant |
| FDA 21 CFR |
Approved for cosmetic use |
| CIR |
Deemed safe |
Disclaimer: This Technical Data Sheet provides typical values for reference purposes only. All values are based on standard laboratory measurements and do not constitute a binding specification. For binding properties, please request the Certificate of Analysis (COA) for each specific batch. The user is solely responsible for determining product suitability for their intended application and for compliance with all applicable regulations. Safety Data Sheet (SDS) must be requested from the supplier before use.
