- 化学名：乙酸铵
- 分子式：ch3coonh4
- 分子量：77.08
- cas: 631-61-8
- 性状：无色或白色易易吸潮结晶，溶于水，微溶于丙酮和乙醇。水溶液显中性。
- 用途：用作分析试剂、肉类防腐剂，也用作制药等。
- 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。
- 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/% ≤ | nitrates(no3),w/% ≤ | 0.001 | 0.001 | ——— |
| 磷酸盐（po4），w/% ≤ | phosphates (po4),w/% ≤ | 0.0003 | 0.0005 | ——— |
| 镁（mg)，w/% ≤ | magnesium (mg),mg/kg ≤ | 0.0002 | 0.0004 | 0.001 |
| 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 metals (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.