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CAS号:79-41-4
英文名称:Methacrylic acid
英文同义词:GE110;FX668F;ai3-15724;Loctite3298;CH2=C(CH3)COOH;Methacrylsαure;Metacrilic Acid;acidometacrilico;METHACRYLIC ACID;METAACRYLIC ACID
中文名称:甲基丙烯酸
中文同义词:异丁烯酸;甲基丙烯酸;A-甲基丙烯酸;α-甲基丙烯酸;α-甲基败脂酸;2-甲基丙烯酸;丙烯-2-羧酸;卡托普利杂质25;甲基丙(异丁)烯酸;甲基丙烯酸(MAA)
分子式:C4H6O2
分子量:86.09
熔点:12-16 °C (lit.)
沸点:163 °C (lit.)
密度:1.015 g/mL at 25 °C (lit.)
蒸气密度:>3 (vs air)
蒸气压:1 mm Hg ( 20 °C)
折射率:n
闪点:170 °F
储存条件:Store at +15°C to +25°C.
酸度系数(pKa):pK1:4.66 (25°C)
形态:Liquid
颜色:Clear
气味 (Odor):Repulsive
PH值:2.0-2.2 (100g/l, H2O, 20℃)
爆炸极限值(explosive limit):1.6-8.7%(V)
水溶解性:9.7 g/100 mL (20 ºC)
敏感性:Moisture & Light Sensitive
Merck:14,5941
BRN:1719937
暴露限值:TLV-TWA 20 ppm (~70 mg/m3) (ACGIH).
稳定性:May be stabilized by the addition of MEHQ (Hydroquinone methyl ether, ca. 250 ppm) or hydroquinone. In the absence of a stabilizer this material will readily polymerize. Combustible. Incompatible with strong oxidizing agents, hydrochloric acid.
InChIKey:CERQOIWHTDAKMF-UHFFFAOYSA-N
CAS 数据库:79-41-4(CAS DataBase Reference)
NIST化学物质信息:2-Propenoic acid, 2-methyl-(79-41-4)
EPA化学物质信息:Methacrylic acid (79-41-4)