8.00181

Acrylic acid

(stabilised with hydroquinone monomethyl ether) for synthesis

• Synonym(s): Acrylic acid, 2-Propenoic acid, Acroleic acid
• Linear Formula: CH₂=CHCOOH
• CAS Number: 79-10-7
• Molecular Weight: 72.06
• MDL number: MFCD00004367
• UNSPSC Code: 12352106
• EC Index Number: 201-177-9
• NACRES: NA.22

Properties

• vapor pressure: 3.8 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99.0% (GC)
• form: liquid
• autoignition temp.: 390 °C (DIN 51794)
• potency: >192 mg/kg LD₅₀, oral (Rat); >290 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 3.9-19.8 % (v/v)
• pH: 2.1 (20 °C, 72.06 g/L in H₂O)
• bp: 141 °C/1013 hPa
• mp: 13 °C
• transition temp: flash point 46 °C
• solubility: 1000 g/L
• density: 1.05 g/cm³ at 20 °C
• storage temp.: 15-25°C
• SMILES string: [O-]C(=O)C=C.[H+]
• InChI: 1S/C3H4O2/c1-2-3(4)5/h2H,1H2,(H,4,5)
• InChI key: NIXOWILDQLNWCW-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.048 - 1.050
Identity (IR): passes test
The material is stabilised with hydroquinone monomethyl ether.
At time of analytical testing a content of >100 ppm stabiliser was determined.

Safety Information

• Pictograms: GHS02,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H226 - H302 + H312 + H332 - H314 - H335 - H410
• Precautionary Statements: P210 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 119.3 °F - closed cup
• Flash Point(C): 48.5 °C - closed cup