脱氢醋酸钠

中文别名:脱氢乙酸钠;钠3-(1-羟乙基李登)-6-甲基-1·2-吡喃-2·4-(3H)-二酮

英文名称:Sodium dehydroacetate

英文别名:DHA-S; DHA-sodium; DHN; harven; 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-, ion (1-), sodium; 3-(1-hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione sodium salt; sodium 3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione; 4-hexenoic acid, 2-acetyl-5-hydroxy-3-oxo, delta-lactone, sodium derivative; Acetyl-5-hydroxy-3-oxo-4-henenoic acid, delta-lactone, sodium deriv.; Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, sodium; Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-, ion(1-), sodium; ; sodium 3-acetyl-6-methyl-4-oxo-4H-pyran-2-olate; sodium 3-acetyl-6-methyl-2-oxo-2H-pyran-4-olate; 2H-pyran-2,4(3H)-dione, 3-acetyl-6-methyl-, sodium salt (1:1)

CAS:4418-26-2

EINECS:224-580-1

分子式:C8H8NaO4

分子量:191.1359

物理化学性质

熔点: 295ºC(DEC.)

性质描述: 白色结晶性粉末，无臭、无味、无刺激、水溶液呈中性或弱碱性，难溶于乙醇等有机溶剂。熔点110℃

用途：食品防腐剂，保鲜剂。该产品对食品中的酵母菌、腐败菌、霉菌有着较强的抑菌作用，广泛应用于肉类、鱼类、蔬菜类、水果类、饮料类、糕点类等的防腐、保鲜，是新型广谱抑菌剂。