脫氫*

中文名稱:脫氫*
中文別名:脫氫乙酸鈉;鈉3-(1-李登)-6-甲基-1·2-吡喃-2·4-(3H)-二酮
英文名稱:Sodium dehydroacetate
英文別名: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
含量:99.5%

熔點: 295oC(DEC.)
性質描述: 白色結晶性粉末，無臭、無味、無刺激、水溶液呈中性或弱堿性，難溶于乙醇等有機溶劑。熔點110℃

用途：食品防腐劑，保鮮劑。該產品對食品中的酵母菌、菌、霉菌有著較強的抑菌作用，廣泛應用于肉類、魚類、蔬菜類、水果類、飲料類、糕點類等的防腐、保鮮，是新型廣譜抑菌劑。