Methacrylic anhydride ≥93.0% (by GC), colourless liquid, Sigma-Aldrich®

Supplier: Merck
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Synonyms: Methacrylic Anhydride [stabilized with 1,1,3-Tris(3-tert-butyl-4-hydroxy-6-methylphenyl)butane]

M-Clarity™ quality level = MQ200

276685-500ML 276685-100ML
SIAL276685-500MLEA 118 GBP
SIAL276685-500ML SIAL276685-100ML
Methacrylic anhydride ≥93.0% (by GC), colourless liquid, Sigma-Aldrich®
Methacrylic anhydride

The copolymerisation of methacrylic anhydride at 36.6 °C produces its polymer.


It can be prepared directly from the corresponding acids through the use of dehydrating agents and indirectly from the reaction of sodium salts of the acids with corresponding acid chlorides.

Formula: C₈H₁₀O₃
MW: 154.165 g/mol
Boiling Pt: 87 °C/13 mmHg (lit.)
Density: 1.035 g/cm³ (25 °C) (lit.)
Flash Pt: 84 °C
MDL Number: MFCD00008586
CAS Number: 760-93-0
UN: 3265
ADR: 8,II

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Specification Test Results

Stabiliser 1800 - 2200 ppm Topanol A
Purity (GC Area%) ≥93.0%
Infrared Spectrum Conforms to Structure

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