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一、化學名：乙酸鈉
二(er)、分(fen)子式：C2H3NaO2 ；C2H3NaO2·3H2O
三、分子量：無水(shui)物(wu)：82.03；三水(shui)物(wu)：136.08
四、CAS: 無水(shui)物：127-09-3；三水(shui)物：6131-90-4
五(wu)、性狀：結(jie)晶品(pin)（三水(shui)(shui)(shui)）為無色透明結(jie)晶或白色結(jie)晶粉末，無水(shui)(shui)(shui)物(wu)為白色結(jie)晶性粗粉或塊狀，無臭，稍(shao)有(you)醋樣氣(qi)(qi)味。結(jie)晶品(pin)相(xiang)對(dui)密度1.45，在溫暖干燥的空氣(qi)(qi)中(zhong)易風化，1g約溶于0.8mL水(shui)(shui)(shui)和19mL乙(yi)醇。無水(shui)(shui)(shui)品(pin)相(xiang)對(dui)密度1.528，熔點324℃，吸濕性很強，1g約溶于2mL水(shui)(shui)(shui)中(zhong)。
六、用途：緩沖劑、調(diao)味(wei)劑、pH值(zhi)調(diao)節劑、增香(xiang)劑、呈(cheng)味(wei)劑等。
七、包裝：內(nei)襯(chen)聚(ju)乙烯(xi)塑(su)料(liao)袋，外套(tao)復合塑(su)料(liao)編織袋包裝，每袋25kg。
八、貯(zhu)存與運輸(shu)：本品應貯(zhu)存在干燥通風清潔的庫房(fang)中(zhong)(zhong)，裝(zhuang)載運輸(shu)時要(yao)輕裝(zhuang)輕放，防止(zhi)包裝(zhuang)破損，防止(zhi)受潮(chao)、受熱，運輸(shu)過(guo)程(cheng)中(zhong)(zhong)防止(zhi)雨淋受潮(chao)，應與有毒物品隔離(li)。
| 質量指標 | Specification | GB 30603—2014 | FCC VII | ||
| 含量（以干基計）， w/% | Content(As Dry Basis), w/% | ≥98.5 | 99.0-101.0 | ||
| 酸度和堿度 | Acidity and Alkalinity | 通過試驗 | ———— | ||
| 鉛（Pb），mg/kg ≤ | Lead (As Pb), mg/kg ≤ | 2 | 2 | ||
| 堿度，w/% ≤ | Alkalinity, w/% ≤ | Anhydrous | ———— | 0.2 | |
| Trihydrate | ———— | 0.05 | |||
| 干燥失重，w/% | 無水品 ≤ | Loss on Drying, w/% | Anhydrous ≤ | 2.0 | 1.0 |
| 結晶品 | Trihydrate | 36.0-42.0 | 36.0-41.0 | ||
| 鉀化合物 | Potassium Compound | 通過試驗 | Pass Test | ||
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.