丙烯酸

英文名称:Acrylic acid
CAS号:79-10-7
分子式:C3H4O2
分子量:72.06
EINECS号:201-177-9
属性
熔点 13 °C(lit.)
沸点 139 °C(lit.)
密度 1.051 g/mL at 25 °C(lit.)
蒸气密度2.5 (vs air)
蒸气压4 mm Hg ( 20 °C)
折射率 n20/D 1.421
闪点 130 °F
储存条件 15-25°C
溶解度 1000g/l
酸度系数(pKa)4.25(at 25℃)
形态Liquid
颜色Clear
PH值2.1 (72.06g/l, H2O, 20℃)
爆炸极限值(explosive limit)3.9-19.8%(V)
水溶解性 MISCIBLE
最大波长(λmax)231nm(lit.)
敏感性 Air Sensitive
Merck 14,130
BRN 635743
暴露限值TLV-TWA 10 ppm (30 mg/m3) (ACGIH).
稳定性Stability Unstable - may contain p-methoxyphenol as an inhibitor. Prone to hazardous polymerization. Combustible. Incompatible with strong oxidizing agents, strong bases, amines. Contact with oxidizers may cause fire. Light and air sensitive. Hygroscopic.
安全信息
危险性符号(GHS)
GHS07,GHS02,GHS05,GHS06,GHS08,GHS09
警示词Danger
危险性描述H290-H302-H311+H331-H370-H371-H372-H312-H332-H226-H302+H312+H332-H314-H335-H400
防范说明P210-P261-P273-P303+P361+P353-P304+P340+P310-P305+P351+P338-P260h-P405-P501a-P233-P234-P240-P241+P242+P243-P260-P264-P270-P271-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P305+P351+P338+P310-P307+P311-P390-P391-P403+P233
危险品标志 C,N
危险类别码 10-20/21/22-35-50
安全说明 26-36/37/39-45-61
危险品运输编号 UN 2218 8/PG 2
WGK Germany 1
RTECS号AS4375000
F 8-13
自燃温度744 °F
TSCA Yes
HazardClass 8
PackingGroup II
海关编码 29161110
毒性LD50 orally in rats: 2.59 g/kg (Smyth)