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CAS号:520-45-6
英文名称:Dehydroacetic acid
英文同义词:DHA;dhaa;DEHYDRANONE;Biocide 470F;Geogard(R) 221;Geogard(R) 361;Geogard(R) 111A;DA,Dehydroacetic;DEHYDRACETSAEURE;dehydro-aceticaci
中文名称:脱氢乙酸
中文同义词:水乙酸;保果鲜;脫水乙酸;脱氢乙酸;脱氢醋酸;脫水醋酸;脱水乙酸;脱氢乙羧;乙醇中脱氢乙酸;脱氢乙酸对照品
分子式:C8H8O4
分子量:168.15
熔点:111-113 °C (lit.)
沸点:270 °C (lit.)
密度:1.1816 (rough estimate)
蒸气压:0.001 hPa (20 °C)
折射率:1.4611 (estimate)
闪点:157°C
储存条件:Store below +30°C.
溶解度:2g/l
酸度系数(pKa):5.53±0.40(Predicted)
形态:Fine Crystalline Powder
颜色:Light yellow or cream
PH值:4 (2g/l, H2O, 20℃)
Merck:14,2865
BRN:6129
稳定性:Stable. Incompatible with oxidizing agents, bases, reducing agents.
InChIKey:PGRHXDWITVMQBC-UHFFFAOYSA-N
CAS 数据库:520-45-6(CAS DataBase Reference)
NIST化学物质信息:Dehydroacetic Acid(520-45-6)
EPA化学物质信息:3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione (520-45-6)