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Methacrylic Acid

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Methacrylic Acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Methacrylic Acid (CAS 79-41-4). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS79-41-4
Molecular formulaC4H6O2
Molecular weight86.09 g/mol
IUPAC name2-methylprop-2-enoic acid
Synonyms2-methylprop-2-enoic acid · 2-Methylacrylic acid · Methylacrylic acid · 2-Propenoic acid, 2-methyl- · 2-Methylpropenoic acid · 2-Methyl-2-propenoic acid
Safety & Hazards (GHS) Danger
Corrosive Corrosive Acute toxic Acute toxic
  • H302 Harmful if swallowed
  • H312 Harmful in contact with skin
  • H314 Causes severe skin burns and eye damage
  • H311 Toxic in contact with skin
  • H318 Causes serious eye damage
  • H332 Harmful if inhaled
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma METHACRYLIC ACID, CONTAINS 250 PPM MEHQ 155721-100G
155721-18KG
155721-2KG
155721-3KG
155721-500G
155721-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.