无色无味的结晶体，在空气中可被风化，可燃。溶于水和乙醚，微溶于乙醇。
熔点  >300 °C (dec.)(lit.) 
密度  1.01 g/mL at 20 °C 
闪点  >250 °C

GB/T 694-81
项目Item                                                  分析纯    
                                                                    (AR)      
含量(CH3COONa)Assay,%                       99.0      
pH(50g/L,25℃)pH of water solution       7.5-9.0    
澄清度试验Clarity                                       合格      
水不溶物Insoluble matter in water,%       0.005     
氯化物(Cl)Chloride,%                            0.002     
硫酸盐(SO4)Sulfate,%                           0.003   
磷酸盐(PO4)Phosphate,%                    0.0005    
镁(Mg)Magnesium,%                             0.0005    
铝(Al)Aluminum,%                                 0.001     
铁(Fe)Iron,%                                           0.0005   
重金属(以Pb计)Heavy metals,%             0.001     

ACS级
项目名称　                             ACS Grade
含量Assay                              ≥99.0%
pH(5%,25.0℃)pH of a 5% 
solution at 25.0℃                     ≥7.0-9.2
不溶物Insoluble matter                 ≤0.01%
干燥失重Loss on drying                 ≤1.0%
氯化物(Cl)Chloride                     ≤0.002%
磷酸盐(PO4)Phosphate                   ≤0.001%
硫酸盐(SO4)Sulfate                     ≤0.003%
钙(Ca)Calcium                          ≤0.005%
镁(Mg)Magnesium                        ≤0.002%
重金属(以Pb计)Heavy metals             ≤0.001%
铁(Fe)Iron                             ≤0.001%


项目Item                               电泳级, ≥99%
                                   （for electrophoresis, ≥99%）
外观Appearance                          white powder
纯度Purity by perchloric acid titration ≥99%
溶解试验Solubility                      clear and colorless at 100mg/ml in water
不溶物Insoluble matter                  ≤0.01%
氯化物Chloride(Cl)                      ≤0.002%
硫酸盐Sulfate(SO4)                      ≤0.003%
重金属Heavy metals (as Pb)              ≤0.001%
适用性试验Suitability test              suitable for use in electrophoresis buffers


品级Grade                               色谱级，≥99.0% (NT)    
                                    (grade for HPLC，≥99.0% (NT)) 
外观Appearance                          solid 
description                             anhydrous 
含量assay                               ≥99.0% (NT) 
pKa                                     4.76 (acetic acid)  
λ                                  10 % in H2O 
紫外吸光值UV absorption λ: 250 nm A:    ≤0.05 
  λ: 260 nm A:                          ≤0.01 
  λ: 500 nm A:                          ≤0.01 
RP gradient test                        corresponds to standard
filter test                             corresponds


99.99% metals basis:


外观Appearance                          White Crystalline Powder 
红外光谱Infrared spectrum               Conforms to Structure 
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
滴定纯度Purity (Titration by HClO4)     98.0 - 102.0 % 
ICP:                                    Confirms Sodium Component 
总痕量金属杂质total metallic impurities ≤100.0 ppm 



品级Grade                              细胞与昆虫细胞培养级, ≥99%   
                       (for cell culture, for insect cell culture, ≥99%) 
外观Appearance                          White Powder
水溶性Solubility                        Colorless， Clear，100 mg/ml, H2O
细胞培养测试Cell Culture Test           Pass
昆虫细胞培养测试Insect Cell Test        Pass
纯度Purity (Titration by HClO4)         99 %
Anhydrous
干燥损失Loss on Drying(120°C)         ≤1.0 %



品级Grade                               分子生物学级，≥99.0% (NT)    
                             (grade for molecular biology，≥99.0% (NT)) 
外观Appearance                            White Powder
含量assay                                 ≥99.0% (NT) 
DNA酶DNases,                              none detected 
RND酶RNases,                              none detected 
不溶物insoluble matter,                   passes filter test 
磷酸酶phosphatases,                       none detected 
蛋白酶proteases,                          none detected 
干燥损失 loss on drying, 150 °C          ≤0.5%  
pH                                        8.5-10.0 (25 °C, 3 M in H2O) 
pKa                                       4.76 (acetic acid) 
水溶性solubility H2O:                     soluble3 M at 20 °C, clear, colorless 
氯离子chloride (Cl-):                     ≤20 ppm 
磷酸根phosphate (PO43-):                  ≤5 ppm 
硫酸根sulfate (SO42-):                    ≤20 ppm 
  Al: ≤5 ppm 
  As: ≤0.1 ppm 
  Ba: ≤10 ppm 
  Bi: ≤5 ppm 
  Ca: ≤10 ppm 
  Cd: ≤5 ppm 
  Co: ≤5 ppm 
  Cr: ≤5 ppm 
  Cu: ≤5 ppm 
  Fe: ≤5 ppm 
  K: ≤200 ppm 
  Li: ≤5 ppm 
  Mg: ≤5 ppm 
  Mn: ≤5 ppm 
  Mo: ≤5 ppm 
  Ni: ≤5 ppm 
  Pb: ≤5 ppm 
  Sr: ≤10 ppm 
  Zn: ≤5 ppm 
λ 3 M in H2O 
紫外吸光值UV absorption λ: 260 nm A: ≤0.03 
                        λ: 280 nm A: ≤0.02 

F  3 
TSCA  Yes 
海关编码  29152200 
安全说明  22-24/25 
WGK Germany  1
RTECS  AJ4300010

用途  用作媒染剂和缓冲剂，也用于染料和制药工业 
用途  用作普通分析试剂、媒染剂、缓冲剂，还可用于染料合成及影片冲洗 
用途  用于医药、印染及有机合成
密封保存