8.00605

Propionic acid

for synthesis

• Synonym(s): Propionic acid, Methyl acetic acid
• Empirical Formula (Hill Notation): C₃H₆O₂
• CAS Number: 79-09-4
• Molecular Weight: 74.08
• MDL number: MFCD00002756
• UNSPSC Code: 12352106
• EC Index Number: 201-176-3
• NACRES: NA.22

Properties

• vapor pressure: 5 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99.0% (GC)
• form: liquid
• autoignition temp.: 485 °C (DIN 51794)
• potency: 2600 mg/kg LD₅₀, oral (Rat); 500 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 2.1-12 % (v/v)
• pH: 2.5 (20 °C, 100 g/L in H₂O)
• bp: 140.7-141.4 °C/1013 hPa
• mp: -20 °C
• transition temp: flash point 50.5 °C
• density: 0.993 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)
• InChI key: XBDQKXXYIPTUBI-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.993 - 0.994
Water (K. F.): ≤ 0.30 %
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H226,H314,H335
• Precautionary Statements: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 129.2 °F - closed cup
• Flash Point(C): 54 °C - closed cup