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无水乙酸钠
Sodium acetate
CAS号: 127-09-3
分子式: C2H3NaO2
分子量: 82.03
别名: 无水醋酸钠;无水乙酸钠
分子结构式:
  货号   品名   产品规格   包装   单价(RMB) 可用库存 备注 数量
135436 无水乙酸钠 电泳级, ≥99% 500g 189.00 >10 15021
114801 无水乙酸钠 AR 500g 29.00 >10 15021
114800 无水乙酸钠 GR 500g 35.00 >10 15021
114799 无水乙酸钠 CP 500g 28.00 >10 15021
114798 无水乙酸钠 ACS 500g 76.00 >10 15021
114797 无水乙酸钠 色谱级,≥99.0% (NT) 50g 468.00 >10 15021
114796 无水乙酸钠 99.99% 100g 268.00 >10 15021
114795 无水乙酸钠 细胞与昆虫细胞培养级, ≥99% 500g 326.00 >10 15021
114794 无水乙酸钠 分子生物学级,≥99.0% (NT) 250g 312.00 >10 15021
114793 无水乙酸钠 药典级 500g 56.00 >10 15021
114792 无水乙酸钠 PT 50g 120.00 >10 15021
性状
质量标准
用途
危险性质
贮存

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                                             优级纯     分析纯    化学纯
                                                                (GR)       (AR)      (CP)
含量(CH3COONa)Assay,%                  ≥99.0       99.0      98.5
pH(50g/L,25℃)pH of water solution     7.5-9.0    7.5-9.0    7.5-9.0
澄清度试验Clarity                        合格       合格      合格
水不溶物Insoluble matter in water,%    ≤0.005      0.005     0.01
氯化物(Cl)Chloride,%                   ≤0.001      0.002     0.005
硫酸盐(SO4)Sulfate,%                   ≤0.003      0.003     0.001
磷酸盐(PO4)Phosphate,%                 ≤0.0005     0.0005    0.001
镁(Mg)Magnesium,%                      ≤0.0005     0.0005    0.001
铝(Al)Aluminum,%                       ≤0.001      0.001     0.002
钙(Ca)Calcium,%                        ≤0.001        --        --
铁(Fe)Iron,%                           ≤0.0005     0.0005    0.001
重金属(以Pb计)Heavy metals,%           ≤0.001      0.001     0.002

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


品级Grade                               药典级(USP)  
                                     (USP grade)
鉴别试验Identity                        Pass
pH                                      7.5 - 9.2
不溶物Insolubles                        ≤ 0.05 %
氯化物Chloride                          ≤ 350 ppm
硫酸根Sulfate                           ≤ 50 ppm
钙和镁Calcium and Magnesium             Pass
钾Potassium                             Pass
重金属Heavy Metals                      ≤  0.001%
残留溶剂Residual Solvents               USP 467 Meets Requirements
干燥损失Loss on Drying                  ≤ 1.0 %
含量Assay                              99.0 - 101.0 %
dry basis
 

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


 

类别 有毒物品
毒性分级 中毒
安全说明  22-24/25
WGK Germany  1
RTECS号 AJ4300010
F  3
TSCA  Yes
急性毒性 口服- 大鼠  LD50: 3530 毫克/ 公斤; 口服- 小鼠 LD50: 6891 毫克/ 公斤
刺激数据 皮肤-兔 500 毫克/24小时 轻度; 眼睛-兔 10 毫克 轻度
可燃性危险特性 可燃; 受热分解有毒含氧化钠气体
储运特性 库房通风低温干燥; 与氧化剂、酸类分开存放
灭火剂 水、泡沫、砂土

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