分子式:(CH3COO)2 Zn·2H2O 分子量:219.5 HS编码:2915299090 CAS编码:5970—45—6
性质:白色单斜片状晶体,微带醋酸味,溶于水和乙醇,比重1.735,熔点235℃。
用途:用作医药收敛剂、木材防腐剂、瓷器釉料、印染助剂等。
乙酸锌质量标准
指标名称 | 医药级指标 | 工业级指标 |
外观 | 白色结晶 | 白色结晶 |
含量% | ≥99.5 | ≥98 |
水不溶物% | ≤0.03 | ≤0.03 |
氯化物(Cl)% | ≤0.001 | ≤0.2 |
铁 (Fe)% | ≤0.0002 | ≤0.00035 |
砷(As)% | ≤0.0002 | -- -- |
硫酸盐 (SO4)% | ≤0.01 | -- -- |
铅 (Pb)% | ≤0.005 | -- -- |
铜(Cu)% | -- -- | ≤0.0001 |
PH值(5%水溶液,25℃) | 6.0—7.0 | 6.5—7.3 |
水分 % | -- -- | ≤0.01 |
Zinc acetate
M.F.(Molecular formula): (CH3COO)2 Zn·2H2O M.W.( (Molecular weight):219.51
H.S. CODE:2915299090 CAS NO.:5970—45—6
Uses:Medicine ,wood preservative,chinaware glaze,printing and dyeing auxiliary.
Specification
Test Items | Standard Pharma Grade | Standard Tech Grade |
Appearance | White crystal | White crystal |
Content% | ≥99.5 | ≥98 |
Insoluble substance in water% | ≤0.03 | ≤0.03 |
Chlorid(Cl)% | ≤0.001 | ≤0.2 |
Ferrum (Fe)% | ≤0.0002 | ≤0.00035 |
Arsenic (As)% | ≤0.0002 | -- -- |
Sulfate (SO4)% | ≤0.01 | -- -- |
Lead (Pb)% | ≤0.005 | -- -- |
Copper (Cu)% | -- -- | ≤0.0001 |
PH value(5%water solution,25℃) | 6.0—7.0 | 6.5—7.3 |
Water content % | -- -- | ≤0.01 |
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