乙酸铵 AMMonIUM ACETATE
一、化学名：乙酸铵
二、分子式：CH3COONH4
三、分子量：77.08
四、CAS: 631-61-8
五、性状：无色或白色易易吸潮结晶，溶于水，微溶于丙酮。
六、用途：用作分析试剂、肉类防腐剂。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25kg。
八、贮存与运输：贮存在通风清洁库房中，装载运输时要轻装轻放，防止破损，防止受潮、受热，与有毒物品隔离
质量指标 | Specification | 试剂级(GB/T 1292-2008) | ||
优级纯 | 分析纯 | 化学纯 | ||
含量（CH3COONH4），w/% ≥ | Content(CH3COONH4),w/% ≥ | 98.0 | 98.0 | 97.0 |
pH值（50g/L，25℃） | pH value(50g/L,25℃) | 6.7-7.3 | 6.5-7.5 | 6.5-7.5 |
澄清度实验/号 ≤ | Clarity Test/No ≤ | 2 | 3 | 5 |
水不溶物，w/% ≤ | Insoluble Substances,w/% ≤ | 0.002 | 0.005 | 0.01 |
灼烧残渣（以硫酸盐计），w/% ≤ | Ignition Residue, w/% ≤ | 0.005 | 0.005 | 0.01 |
水分（H2O），w/% ≤ | Moisture ,w/% ≤ | 2.0 | ———— | ——— |
氯化物（Cl)，w/% ≤ | Chlorides (Cl),w/% ≤ | 0.0005 | 0.0005 | 0.001 |
硫酸盐（SO4），w/% ≤ | Sulfates(SO4),w/% ≤ | 0.001 | 0.002 | 0.005 |
硝酸盐（NO3)，w/% ≤ | Nitrate(NO3),w/% ≤ | 0.001 | 0.001 | ——— |
磷酸盐（PO4），w/% ≤ | Phosphate (PO4),w/% ≤ | 0.0003 | 0.0005 | ——— |
镁（Mg)，w/% ≤ | Magnesium (Mg),mg/kg ≤ | 0.0002 | 0.0004 | ——— |
钙（Ca)，w/% ≤ | Calcium(Ca),w/% ≤ | 0.0005 | 0.001 | 0.002 |
铁（Fe)，w/% ≤ | Iron (Fe), w/% ≤ | 0.0002 | 0.0005 | 0.001 |
重金属（以Pb计）,w/% ≤ | Heavy melt (Pb), w/% ≤ | 0.0002 | 0.0005 | 0.001 |
还原高锰酸钾物质（以O计)，w/% ≤ | Reduction of Potassium Permanganate,w/% ≤ | 0.0016 | 0.0032 | 0.0032 |
1、Chemical Name: Ammonium Acetate
2、Molecular Formula: CH3COONH4
3、Molecular Weight: 77.08
4、CAS: 631-61-8
5、Character: It occurs as white triangular crystal with acetic acid smell.It's soluble in water and ethanol, insoluble in acetone.
6、Usage: It's used as analytical reagent, preservative for meat and also used in pharmacy.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer
layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and
moisture during transportation,unloaded with care so as to avoid damage.Furthermore, it must be stored
separately from poisonous substances.
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