44344

Valeric acid

pharmaceutical impurity standard

• Synonym(s): Valproic acid impurity A (PhEur), n-Valeric acid, Pentanoic acid
• Linear Formula: CH₃(CH₂)₃COOH
• CAS Number: 109-52-4
• Molecular Weight: 102.13
• Beilstein/REAXYS Number: 969454
• EC Number: 203-677-2
• MDL number: MFCD00004413
• UNSPSC Code: 41116107
• PubChem Substance ID: 329756496
• NACRES: NA.24

Properties

• vapor density: 3.5 (vs air)
• Quality Level: 100
• vapor pressure: 0.15 mmHg ( 20 °C)
• API family: valeric acid
• assay: ≥99.0% (GC)
• autoignition temp.: 707 °F
• shelf life: limited shelf life, expiry date on the label
• expl. lim.: 7.6 %
• impurities: ≤5.0% water
• refractive index: n20/D 1.408 (lit.)
• bp: 110-111 °C/10 mmHg (lit.); 185 °C (lit.)
• mp: −20-−18 °C (lit.)
• density: 0.939 g/mL at 25 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• SMILES string: CCCCC(O)=O
• InChI: 1S/C5H10O2/c1-2-3-4-5(6)7/h2-4H2,1H3,(H,6,7)
• InChI key: NQPDZGIKBAWPEJ-UHFFFAOYSA-N

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H314 - H412
• pcodes: P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B
• Storage Class: 8A - Combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: 192.2 °F - closed cup
• flash_point_c: 89 °C - closed cup