英文名称：Propionic acidCAS号：79-09-4分子式：C3H6O2分子量：74.08EINECS号：201-176-3

熔点 −24-−23 °C(lit.)
沸点 141 °C(lit.)
密度 0.993 g/mL at 25 °C(lit.)
蒸气密度2.55 (vs air)
蒸气压2.4 mm Hg ( 20 °C)
折射率 n20/D 1.386(lit.)
FEMA 2924 | PROPIONIC ACID闪点 125 °F
储存条件 0-6°C溶解度 organic solvents: soluble(lit.)形态Liquid酸度系数(pKa)4.86(at 25℃)颜色≤10, APHA:比重0.996 (20/4℃)PH值2.5 (100g/l, H2O, 20℃)爆炸极限值(explosive limit)2.1-12%(V)水溶解性 37 g/100 mLMerck 14,7825JECFA Number84BRN 506071暴露限值TLV-TWA 10 ppm (～30 mg/m³) (ACGIH).稳定性Stable. Incompatible with strong oxidizing agents. Flammable.InChIKeyXBDQKXXYIPTUBI-UHFFFAOYSA-N

危险性符号(GHS)
GHS02,GHS05,GHS07警示词Danger危险性描述H226-H314-H335防范说明P210-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P403+P235-P260-P370+P378-P260h-P405-P501a危险品标志 C危险类别码 36/37/38-34-10安全说明 26-36-45-23危险品运输编号 UN 3463 8/PG 2
WGK Germany 1
RTECS号UE5950000
自燃温度955 °FTSCA YesHazardClass 8PackingGroup II海关编码 29155010毒性LD50 orally in rats: 4.29 g/kg (Smyth)