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| Catalog Number | CI-SC-0371 |
| Product Name | Butyl Stearate |
| CAS | 123-95-5 |
| Structure |  |
| Synonyms | Stearic acid-n-butyl ester |
| Description | Semi-solid fatty acid ester used as a plasticizer in nail polishes and emollient in skin cream, lotions and lipsticks. |
| IUPAC Name | Octadecanoic acid, butyl ester |
| Molecular Weight | 340.6 g/mol |
| Molecular Formula | C22H44O2 |
| Canonical SMILES | CCCCCCCCCCCCCCCCCC(=O)OCCCC |
| InChI | InChI=1S/C22H44O2/c1-3-5-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22(23)24-21-6-4-2/h3-21H2,1-2H3 |
| InChI Key | ULBTUVJTXULMLP-UHFFFAOYSA-N |
| Boiling Point | 220 °C |
| Melting Point | 17-22 °C |
| Flash Point | 25 °C |
| Density | 0.861 g/mL at 20 °C(lit.) |
| Solubility | Insoluble in water; soluble in ethanol; very soluble in acetone |
| Appearance | Clear liquid, characteristic odor |
| Application | Emulsions for skin and hair care products |
| Storage | Store light-protected at a cool and dry place |
| HS Code | 3402130000 |
| INCI | Butyl stearate |
| Refractive Index | n20/D 1.443(lit.) |
| Topological Polar Surface Area | 26.3 Ų |
| Uses | Recommended use level 1-5%. For external use only. |
Butyl Stearate, an ester derived from the combination of n-butanol and stearic acid, serves a versatile role in various applications. It is a clear, colorless, and odorless liquid often used in the food industry as a synthetic flavoring agent, complying with regulations such as 21 CFR 172.515 and 21 CFR 173.340. In the realm of personal care, Butyl Stearate is valued for its multifunctional properties, acting as a solvent, spreading agent, moisturizer, lubricant, and emollient, enhancing the texture and application of cosmetic formulations.
What is the recommended use level for BUTYL STEARATE?
The recommended use level for BUTYL STEARATE is 1-5%.
What are the applications of BUTYL STEARATE?
BUTYL STEARATE is used in emulsions for skin and hair care products.
What functions does BUTYL STEARATE serve in personal care formulations?
BUTYL STEARATE acts as an emollient and skin conditioning agent in personal care formulations.
What is the odor of BUTYL STEARATE?
BUTYL STEARATE has no odor or a faintly fatty odor.
Where can BUTYL STEARATE be found naturally?
BUTYL STEARATE has been reported to be found in fresh apple and boiled mutton.
What is the main use of BUTYL STEARATE in nail varnishes?
BUTYL STEARATE serves as an effective plasticizer in nail varnishes.
Can BUTYL STEARATE cause allergic reactions?
Yes, BUTYL STEARATE has been shown to cause allergic reactions.
What industries use BUTYL STEARATE as a solvent, spreading, and softening agent?
BUTYL STEARATE is used in the plastics, textiles, cosmetics, and rubber industries.
How is BUTYL STEARATE prepared?
BUTYL STEARATE can be prepared by reacting silver stearate with butyl iodide at 100°C or by the transesterification of glycerol tristearate with butyl alcohol.
What materials is BUTYL STEARATE compatible with?
BUTYL STEARATE is reported to be compatible with materials such as rubber, cellulose acetate butyrate, polystyrene, and phenolic resins.
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