- 化学名:乙酸铵
- 分子式:CH3COONH4
- 分子量: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.