一、化學(xué)名:乙酸鈉
二、分子式:C2H3NaO2 ;C2H3NaO2·3H2O
三、分子量:無(wú)水物:82.03;三水物:136.08
四、CAS: ?無(wú)水物:127-09-3;三水物:6131-90-4
五、性狀:結晶品(三水)為無(wú)色透明結晶或白色結晶粉末,無(wú)水物為白色結晶性粗粉或塊狀,無(wú)臭,稍有醋樣氣味。結晶品相對密度1.45,在溫暖干燥的空氣中易風(fēng)化,1g約溶于0.8mL水和19mL乙醇。無(wú)水品相對密度1.528,熔點(diǎn)324℃,吸濕性很強,1g約溶于2mL水中。
六、用途:緩沖劑、調味劑、pH值調節劑、增香劑、呈味劑等。
七、包裝:內襯聚乙烯塑料袋,外套復合塑料編織袋包裝,每袋25kg。
八、貯存與運輸:本品應貯存在干燥通風(fēng)清潔的庫房中,裝載運輸時(shí)要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過(guò)程中防止雨淋受潮,應與有毒物品隔離。
質(zhì)量指標 | Specification | GB 30603—2014 | FCC?VII | ||
含量(以干基計),ppm????≥ | Content(As Dry Basis), ?ppm?????≥ | 985000 | 990000-1010000 | ||
酸度和堿度 | Acidity and Alkalinity | 通過(guò)試驗 | ———— | ||
鉛(Pb),ppm????????????≤ | Lead (As Pb), ppm ??????????????≤ | 2 | 2 | ||
堿度,ppm??????????????≤ | Alkalinity, ppm??≤ | Anhydrous | ———— | 2000 | |
Trihydrate | ———— | 500 | |||
干燥失重,ppm | 無(wú)水品≤ | Loss on Drying, ppm | Anhydrous??≤ | 20000 | 10000 |
結晶品 | Trihydrate | 360000-420000 | 360000-410000 | ||
鉀化合物 | Potassium Compound | 通過(guò)試驗 | Pass Test |
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.