Methacrylic anhydride
Methacrylic anhydride (CAS 760-93-0), with the formula [H₂C=C(CH₃)CO]₂O and a molecular weight of 154.16 g/mol, is a reactive carboxylic acid anhydride. It serves as a key building block in organic synthesis. This compound is primarily employed as a monomer in polymerisation reactions and as an acylating agent for introducing the methacryloyl group in various chemical processes, contributing to the development of specialised materials.
![Methacrylic anhydride ([H2C=C(CH3)CO]2O) — chemical structure, CAS 760-93-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F760-93-0.png&w=3840&q=75)
Polymerisation Monomer
Methacrylic anhydride can function as a monomer or co-monomer in the synthesis of polymers and resins. Its reactive double bond allows for chain-growth polymerisation, leading to materials with specific properties for applications in coatings, adhesives, and specialty plastics.
Acylating Agent
This anhydride is utilized as an effective methacryloylating agent in organic synthesis. It reacts with nucleophiles such as alcohols and amines to introduce the methacryloyl functional group, which is valuable in the preparation of functionalised monomers and complex organic molecules.
Chemical Synthesis Intermediate
As a versatile intermediate, methacrylic anhydride plays a role in the multi-step synthesis of various organic compounds. It provides a reactive pathway for functional group transformations, supporting research and development in diverse chemical fields.
| Molecular weight | 154.16 |
|---|---|
| Linear formula | [H2C=C(CH3)CO]2O |
| Assay | ≥92% (T) |
| Boiling point | 87 °C/13 mmHg(lit.) |
| Density | 1.04 g/mL at 20 °C1.035 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.453(lit.)n20/D 1.453 |
| Contains / stabiliser | ~0.2% topanol A as stabilizer |
Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 84 °C / 183.2 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20-37/38-41 |
| Safety statements (S) | 26-39 |
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 Methacrylic anhydride used for?
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Methacrylic anhydride is used as a polymerisation monomer and an acylating agent in organic synthesis to introduce the methacryloyl group.
What are the CAS number and formula for Methacrylic anhydride?
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The CAS number is 760-93-0 and the formula is [H₂C=C(CH₃)CO]₂O.
What grade and purity does Tech Serve Solutions supply for Methacrylic anhydride?
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Tech Serve Solutions supplies Methacrylic anhydride with an assay of ≥92% (T). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the main hazards associated with Methacrylic anhydride?
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Methacrylic anhydride is classified as Dangerous. It causes skin irritation (H315), serious eye damage (H318), and may cause respiratory irritation (H335). It is also toxic if inhaled (H331).
How is Methacrylic anhydride packed, shipped, and exported?
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Methacrylic anhydride is packed and shipped according to international regulations for hazardous materials, including UN 3265 classification. Tech Serve Solutions is an experienced global exporter.
How can I request a sample or quote for Methacrylic anhydride?
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To request a sample or a quote for Methacrylic anhydride, please contact our sales team through our website or by phone.
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