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Sodium acetate anhydrous

Cas:
6131-90-4
Molecular Structure:
MDL:
MFCD00071557
Molecular Formula:
CH3COONa·3H2O; C2H3NaO2.3H2O
Molecular Weight:
136.08
Alias:
三水合乙酸钠,结晶醋酸钠,结晶乙酸钠,乙酸钠结晶,醋酸钠,三水醋酸钠 Sodium acetate trihydrate Acetic acid sodium salt
Product order:
Name Specifications Packing Price Delivery
Sodium acetate anhydrous 食品级 100G RMB 60 Consulting service
Sodium acetate anhydrous 100ml RMB 99 现货
Sodium acetate anhydrous 500ml RMB 330 现货
Sodium acetate anhydrous AR 500g RMB 27.5 Consulting service
Sodium acetate anhydrous CP 500g RMB 22 Consulting service
Sodium acetate anhydrous GR 500g RMB 22 Consulting service
Sodium acetate anhydrous ACS 500g RMB 44 Consulting service
Character:
无色透明结晶或白色颗粒结晶。在干燥空气中风化。在120℃时失去结晶水,温度再高时分解。1g溶于0.8ml水、0.6ml沸水、19ml乙醇,1%份乙醇。25℃时,0.1mol/L水溶液的pH为8.9。
熔点:58℃
Quality Standard:
GB 693-85
项目Item                     优级纯   分析纯  化学纯
                                    (GR)        (AR)      (CP)
含量(CH3COONa.3H2O)Assay,%     ≥  99.5       99.0    98.0
水溶液反应Water solution reaction   合格    合格   合格
溶解度试验Clarity                    合格    合格   合格
水中不溶物
Insiluble matter in water,%     ≤  0.002      0.002    0.005
氯化物(Cl)Chloride,%            ≤  0.0003   0.001    0.003
硫酸盐(SO4)Sulfate,%            ≤  0.002    0.005    0.005
磷酸盐(PO4)Phosphate,%           ≤  0.0002   0.0002   0.0005
镁(Mg)Magnesium,%                ≤  0.0002      0.0002    0.0005
铝(Al)Aluminum,%           ≤  0.0005      0.0005    0.001
钾(K)Potassium,%            ≤  0.002         --        --
铜(Cu))Copper,%                ≤  0.0005      0.0005    0.001
铁(Fe)Iron,%               ≤  0.0002      0.0002    0.0005
钙(Ca)Calcium,%              ≤  0.001       0.002     0.005
铅(Pb)Lead,%                   ≤  0.0005      0.0005    0.001
还原高锰酸钾物质(以HCOOH计)
Potassium perman-ganate re-
ducing substances,%         ≤ 0.0005      0.005     0.001
    
ACS级
项目名称                                        ACS Grade
含量Assay                                        99.0-101%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃   ≥7.5-9.2
高锰酸钾物质Substances reducing permanganate     Passes test
水不溶物Insoluble matter                         ≤0.005%
氯化物(Cl)Chloride                               ≤0.001%
磷酸盐(PO4)Phosphate                             ≤5ppm
硫酸盐(SO4)Sulfate                               ≤0.002%
重金属(以Pb计)Heavy metals                       ≤5ppm
铁(Fe)Iron(Fe)                                   ≤5ppm
钙(Ca)Calcium(Ca)                                ≤0.005%
镁(Mg)Magnesium                                  ≤0.002%
钾(K)Potassium                                   ≤0.005%
Storage:
密封干燥处保存。
金属络合剂,乙酰化试剂,缓冲液配制,有机合成。媒染剂。
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