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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(jié)晶品（三水）為無(wú)色透明結(jié)晶或白色結(jié)晶粉末，無(wú)水物為白色結(jié)晶性粗粉或塊狀，無(wú)臭，稍有醋樣氣味。結(jié)晶品相對(duì)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(duì)密度1.528，熔點(diǎn)324℃，吸濕性很強(qiáng)，1g約溶于2mL水中。
六、用途：緩沖劑、調(diào)味劑、pH值調(diào)節(jié)劑、增香劑、呈味劑等。
七、包裝：內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋包裝，每袋25kg。
八、貯存與運(yùn)輸：本品應(yīng)貯存在干燥通風(fēng)清潔的庫(kù)房中，裝載運(yùn)輸時(shí)要輕裝輕放，防止包裝破損，防止受潮、受熱，運(yùn)輸過(guò)程中防止雨淋受潮，應(yīng)與有毒物品隔離。
1、Chemical Name: Sodium Acetate
2、Molecular Formula : C2H3NaO2 ,C2H3NaO2·3H2O
3、Molecular Weight: Anhydrous 82.03,Trihydrate 136.08
4、CAS: Anhydrous：127-09-3,Trihydrate：6131-90-4
5、Character: Trihydrate: It is colorless transparent crystal or white crystalline powder. Relative density is 1.45. In warm and dry air, it’ll easily get weathered. 1g sample could be dissolved in about 0.8mL water or 19mL ethanol. Anhydrous: It is white crystalline coarse powder or block. It’s odorless, tastes a bit of vinegary. Relative density is 1.528. Melting point is 324℃. Capacity of moisture absorption is strong. 1g sample could be dissolved in 2mL water.
6、Usage: It is used as buffering agent, seasoning reagent, pH regulator, flavor agent, etc .
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.