Butyl stearate
Butyl stearate (CAS: 123-95-5), with the molecular formula CH3(CH2)16COO(CH2)3CH3 and a molar mass of 340.58 g/mol, is an ester derived from stearic acid and n-butanol. This compound functions as a plasticiser, emollient, and lubricant. It is commonly employed in the synthesis of other chemicals and finds applications in various industrial processes due to its lubricating and softening properties.
- IUPAC
- Stearic acid butyl ester
- Synonyms
- Stearic acid butyl ester
Lubricant and Plasticiser
Butyl stearate is utilized as a lubricant in plastics and rubber processing. Its emollient properties also make it suitable for applications requiring a softening agent.
Chemical Synthesis
As an organic building block, butyl stearate serves as an intermediate in the synthesis of more complex chemical compounds. It belongs to the class of esters and carbonyl compounds.
Industrial Applications
This ester finds utility in various industrial sectors where its physical properties, such as its ability to reduce friction and provide a smooth texture, are beneficial.
| Molecular weight | 340.58 |
|---|---|
| Linear formula | CH3(CH2)16COO(CH2)3CH3 |
| Assay | 40-60% (GC) |
| Grade | technical |
| Density | 0.861 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.443 |
| Storage temperature | −20°C |
| Melting point | 17-22 °C |
| Impurities tested | butyl palmitate, residual |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 160 °C / 320 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Butyl stearate used for?
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Butyl stearate is used as a lubricant and plasticiser in industrial applications, an emollient, and as a chemical intermediate in synthesis.
What is the CAS number and chemical formula for Butyl stearate?
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The CAS number is 123-95-5 and the linear chemical formula is CH3(CH2)16COO(CH2)3CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Butyl stearate with a technical grade and an assay of 40-60% (GC). We do not represent this product as USP, BP, or EP grade.
How should Butyl stearate be handled safely?
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Butyl stearate is classified with GHS07 symbol and a Warning signal word, indicating hazards such as skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Consult the Safety Data Sheet (SDS) for detailed handling procedures.
Is Butyl stearate shipped internationally by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and we can assist with your international shipping requirements for Butyl stearate.
How can I request a quote or sample for Butyl Stearate?
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To request a quote or sample for Butyl Stearate, please contact our sales team through the website or by phone, providing your specific requirements.
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