双乙酸钠
分子式:C4H7NaO4分子量:142.09 HS编码:2915291000 CAS编码:126—96—5
性质:白色吸湿性结晶粉末或结晶状固体,带醋酸气味,没有毒,易溶于水和乙醇。加热至150℃以上分解,可燃。
用途:双乙酸钠具有高效防腐、保鲜、增强营养价值等功效。在工业领域中主要用作合剂、匀化剂媒染剂和酸味剂等。
双乙酸钠质量标准
指标名称 | 食品级指标 | 饲料级指标 |
外观 | 白色结晶 | 白色结晶 |
游离醋酸(以干基计)% | 39.0—41.0 | 38.0—40.0 |
醋酸钠(以干基计)% | 58.0—60.0 | 56.0—58.0 |
水分% | ≤2.0 | ≤4.0 |
PH值(10%水溶液,25℃) | 4.5—5.0 | 4.5—5.0 |
易氧化物(以甲酸计)% | ≤0.1 | -- -- |
砷 (As)% | ≤0.0003 | -- -- |
铅(Pb)% | ≤0.0002 | -- -- |
汞 (Hg)% | ≤0.0001 | -- -- |
重金属(以 Pb计)% | ≤0.001 | -- -- |
Sodium diacetate
M.F.(Molecular formula): C4H7NaO4 M.W.( (Molecular weight):142.09
H.S. CODE:2915291000 CAS NO.:126—96—5
Uses: With efficiency of preservation,keeping fresh,enhancing nutritive value etc.. Mainly used as
misture etc
Specification
Test Items | FAO/WHO standard | FDA standard |
Appearance | White crystal | White crystal |
Acetic acid content% | 39.0—41.0 | 38.0—40.0 |
Sodium acetate content% | 58.0—60.0 | 56.0—58.0 |
Water content% | ≤2.0 | ≤4.0 |
PH value ( in 10%aqueous solution 25℃) | 4.5—5.0 | 4.5—5.0 |
Formic Acid and Oxidate% | ≤0.1 | -- -- |
Arsenic(As)% | ≤0.0003 | -- -- |
Lead(Pb) % | ≤0.0002 | -- -- |
Mercury(Hg)% | ≤0.0001 | -- -- |
Heavy metal(Pb)% | ≤0.001 | -- -- |
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