19-2110

Methacrylic acid

SAJ first grade, ≥98.0%

• Synonym(s): 2-Methacrylic acid, 2-Methylpropenoic acid
• Linear Formula: H₂C=C(CH₃)COOH
• CAS Number: 79-41-4
• Molecular Weight: 86.09
• Beilstein: 1719937
• EC Number: 201-204-4
• MDL number: MFCD00002651
• UNSPSC Code: 12352106
• PubChem Substance ID: 329751836

Properties

• grade: SAJ first grade
• vapor density: >3 (vs air)
• vapor pressure: 1 mmHg ( 20 °C)
• Assay: ≥98.0%
• form: liquid
• autoignition temp.: 752 °F
• availability: available only in Japan
• refractive index: n20/D 1.431 (lit.)
• pH: 2.0-2.2 (20 °C, 100 g/L)
• bp: 163 °C (lit.)
• mp: 12-16 °C (lit.)
• density: 1.015 g/mL at 25 °C (lit.)
• SMILES string: C=C(C)C(O)=O
• InChI: 1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)
• InChI key: CERQOIWHTDAKMF-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS06,GHS05
• Signal Word: Danger
• Hazard Statements: H302 + H332,H311,H314,H335
• Precautionary Statements: P261 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): 152.6 °F - closed cup
• Flash Point(C): 67 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves