| |
|
|
| |
 |
 |
产品名称:无水醋酸钠(Anhydrous Sodium Acetate)
别 名:无水乙酸钠
分子式:C2H3O2Na
分子量:82.03
结构式:CH3COONa
性状:白色粉末,具有吸湿性,在空气中易风化,熔点324℃,相对密度1.582,易溶于水,微溶于乙醇或乙醚。
质量指标:
技术参数:
项目名称 |
质量指标 |
试剂级 |
医药级 |
食品级 |
工业级 |
| 含量(以C2H3O2Na干燥晶计) |
99.0~101.0% |
99.0~101.0% |
99.0~101.0% |
99.0~101.0% |
| 干燥失重(120℃) |
≤1.0% |
≤1.0% |
≤1.0% |
≤2.0% |
| PH值 5%水溶液25℃ |
7.5~9.0 |
7.5~9.0 |
7.5~9.0 |
7.5~9.0 |
| 水不溶物 |
≤0.01% |
≤0.05% |
— |
≤0.5% |
| 氯化物(Cl) |
≤0.002% |
≤0.035% |
— |
≤0.1% |
| 磷酸盐(PO4) |
≤0.001% |
≤0.001% |
— |
— |
| 硫酸盐(SO4) |
≤0.003% |
≤0.003% |
— |
≤0.05% |
| 钙(Ca) |
≤0.005% |
— |
— |
— |
| 镁(Mg) |
≤0.002% |
— |
— |
— |
| 重金属(以Pb计) |
≤0.001% |
≤0.001% |
≤10mg/kg |
— |
铁(Fe) |
≤0.001% |
— |
— |
≤0.01% |
钾(K) |
— |
— |
通过检测 |
— |
有机挥发物 |
— |
通过检测 |
— |
— |
游离碱(以NaOH计) |
— |
— |
≤0.2% |
— |
砷(以As计) |
— |
— |
≤3ppm |
— |
用途:本品为医药、香料和食品工业的原料,常用作添加剂、缓冲剂、媒染剂、保湿剂以及有机合成的酯化剂等。
包装:25kg 袋装。
储存:储存于阴凉、干燥、通风处。
|
|
|
|