Stearoyl chloride
Stearoyl chloride (CAS: 112-76-5), also known as octadecanoyl chloride, is a long-chain fatty acyl halide with the linear formula CH₃(CH₂)₁₆COCl and a molecular weight of 302.92 g/mol. This strongly brown liquid is a key intermediate in organic synthesis, particularly for the formation of esters and amides. Its reactivity makes it valuable in the production of various specialty chemicals, including surfactants and lubricants, and as a building block in complex molecular structures.
- IUPAC
- Octadecanoyl chloride
- Synonyms
- Octadecanoyl chlorideStearic acid chloride
Organic Synthesis Intermediate
Stearoyl chloride serves as a reactive acylating agent for introducing the stearoyl group (C₁₇H₃₅CO-) into organic molecules. It is widely used in the preparation of esters, amides, and other derivatives through reactions with alcohols, amines, and related nucleophiles.
Surfactant Production
The compound is a precursor in the synthesis of various specialty surfactants. Its long hydrophobic chain contributes to the amphiphilic properties required for surface-active agents used in detergents, emulsifiers, and wetting agents.
Lubricant and Polymer Additives
Stearoyl chloride can be utilized in the synthesis of additives for lubricants and polymers. The resulting compounds may enhance properties such as lubricity, thermal stability, or act as processing aids in polymer manufacturing.
Biochemical Research
As a derivative of stearic acid, it finds application in biochemical research for modifying lipids or synthesizing specific lipid analogs for study. It is a valuable building block for creating complex biological molecules.
| Molecular weight | 302.92 |
|---|---|
| Linear formula | CH3(CH2)16COCl |
| Assay | 97% |
| Grade | technical |
| Colour | strongly brown |
| Boiling point | 174-178 °C/2 mmHg(lit.) |
| Density | 0.897 g/mL at 25 °C(lit.) |
| Melting point | 21-22 °C(lit.) |
| Refractive index | n20/D 1.454(lit.) |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 165 °C / 329 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-43-45 |
| Supplemental hazards | Reacts violently with water. |
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 Stearoyl chloride used for?
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Stearoyl chloride is primarily used as an intermediate in organic synthesis for introducing the stearoyl group into molecules. It is valuable in the production of esters, amides, surfactants, and lubricant additives.
What are the CAS number and chemical formula for Stearoyl chloride?
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The CAS number for Stearoyl chloride is 112-76-5, and its linear chemical formula is CH₃(CH₂)₁₆COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Stearoyl chloride at a technical grade with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the primary safety and handling concerns for Stearoyl chloride?
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Stearoyl chloride is a corrosive substance (H314) that reacts violently with water. Appropriate personal protective equipment, including eye protection, gloves, and respiratory protection, is essential. Handle in a well-ventilated area away from moisture.
How is Stearoyl chloride packed, shipped, and exported?
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Stearoyl chloride is carefully packed according to international shipping regulations for hazardous materials and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Stearoyl chloride?
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To request a sample or quote for Stearoyl chloride, please contact our sales team through the website or by phone.
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