Crotonic anhydride
Crotonic anhydride (CAS 78957-07-0) is a chemical compound with the molecular formula (CH3CH=CHCO)2O and a molecular weight of 154.16 g/mol. This predominantly trans isomer serves as a valuable building block in polymer science and materials science. It functions as an anhydride monomer, useful in the synthesis of various polymers and organic compounds.
Polymer Synthesis
Crotonic anhydride is employed as a monomer in the production of polymers. Its unsaturated nature allows for polymerization reactions, leading to materials with specific properties.
Organic Synthesis Intermediate
This compound acts as an intermediate in various organic synthesis pathways. It can be used to introduce the crotonyl group into other molecules.
Materials Science Research
The unique structure of crotonic anhydride makes it a subject of interest in materials science for developing novel polymers and functional materials.
| Molecular weight | 154.16 |
|---|---|
| Linear formula | (CH3CH=CHCO)2O |
| Assay | 95% |
| Boiling point | 248 °C(lit.) |
| Density | 1.04 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.473(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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 93 °C / 199.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | predominantly trans |
|---|
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 Crotonic anhydride used for?
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Crotonic anhydride is primarily used as an anhydride monomer in polymer science and materials science, and as an intermediate in organic synthesis.
What is the CAS number and formula for Crotonic anhydride?
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The CAS number for Crotonic anhydride is 78957-07-0, and its linear formula is (CH3CH=CHCO)2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Crotonic anhydride with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Crotonic anhydride be handled safely?
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Crotonic anhydride is a corrosive substance (H314) and requires careful handling. Wear appropriate personal protective equipment, including gloves, goggles, and face shields. Ensure adequate ventilation and follow all safety guidelines provided in the Safety Data Sheet.
Does TSS export Crotonic anhydride?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Crotonic anhydride.
How can I request a quote or sample for Crotonic anhydride?
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To request a quote or sample for Crotonic anhydride, please contact our sales team through the website or by phone.
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