• 乙二胺四乙酸二钠,二水 [6381-92-6]

  • 英文名:Disodium edetate dihydrate
  • 别名:EDTA二钠 ED-TA二钠 N,N’-1,2-乙二基双(N-羧基甲基)氨基乙酸二钠盐二水合物 螯合剂III
  • CAS号:6381-92-6 分子式:C10H14N2NA2O8·2H2O 分子量:372.24
P100527-500g 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 500g 116.00 促销价:73.08
P100529-5kg 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 5kg 450.00 促销价:283.50
P100528-1kg 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 1kg 200.00 促销价:126.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P100527-500g 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 500g 116.00 73.08 登录可见
P100527-500g 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 500g 116.00 促销价:73.08
P100529-5kg 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 5kg 450.00 283.50 登录可见
P100529-5kg 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 5kg 450.00 促销价:283.50
P100528-1kg 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 1kg 200.00 126.00 登录可见
P100528-1kg 乙二胺四乙酸二钠,二水 [6381-92-6] 98% 1kg 200.00 促销价:126.00
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  •  规格
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化学性质

白色结晶粉末。 溶于水。难溶于醇。 熔点 250 °C (dec.)(lit.) 沸点 >100 °C 密度 1.01 g/mL at 25 °C 折射率 n20/D 1.363

质量标准

  

GB/T 1401-85
项目Item                                   优级纯   分析纯   化学纯
                                                                          (GR)       (AR)      (CP)
含量Assay,%                                            ≥99.0     98.0     97.0
水溶液反应Water solution reaction      合格    合格   合格
络合力试验Complex test                          合格     合格    合格
澄清度试验Clarity                              合格     合格    合格
氯化物(Cl)Chloride,%                                ≤0.004    0.005    0.02
硫酸盐(SO4)Sulfate,%                        ≤0.01     0.02     0.1
氨基三乙酸(C6H9NO6)Nitrilotriacetic
acid,%                                         ≤0.05      --      --
铁(Fe)Iron,%                     ≤0.0005      0.001    0.005
铜(Cu)Copper,%                              ≤0.00025      --       --
重金属(以Pb计)Heavy metals,%   ≤0.001       0.001    0.005

ACS级
项目名称                                          ACS Grade
含量(C10H14N2Na2O8·2H2O)Assay                     99.0-101.0%
pH值(5%溶液,25.0℃)pH of a 5% solution at 25.0℃   4.0-6.0
水不溶物Insoluble matter                           ≤0.005%
氨基三乙酸
[(HOCOCH2)3N]Nitrilotriacetic acid                 ≤0.1%
重金属(以Pb计)Heavy metals                         ≤0.005%
铁(Fe)Iron                                         ≤0.01%



品级Grade                               分子生物学和电泳级,99%  
            (for electrophoresis, for molecular biology, 99.0%(titration))
外观Appearance                             White Powder
溶解性Solubility                           Colorless Clear,16 g + 100 mL 3 M NaOH
干燥损失Loss on Drying                     7 - 11 %
铁Iron (Fe)                                ≤ 0.005 %
铅Lead (Pb)                                ≤ 0.002 %
不溶物Insoluble matter                     ≤ 0.005 %
氮川三乙酸Limit of Nitrilotriacetic Acid   ≤ 0.1 %
纯度Purity Titration by EDTA               99.0 - 101.0 %
电泳测试electrophoresis test               pass
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

品级Grade                               色谱级,≥99.0%  
                                     (for HPLC, ≥99.0%)
纯度Purity                               ≥99.0% (KT)
不溶物insoluble matter,                  passes filter test
水溶性solubility H2O:                    soluble0.1 M, clear, colorless
氯chloride (Cl-):                        ≤50 ppm
硫酸根sulfate (SO42-):                   ≤50 ppm
  Al:                                    ≤5 ppm
  Ba:                                    ≤5 ppm
  Bi:                                    ≤5 ppm
  Ca:                                    ≤10 ppm
  Cd:                                    ≤5 ppm
  Co:                                    ≤5 ppm
  Cr:                                    ≤5 ppm
  Cu:                                    ≤5 ppm
  Fe:                                    ≤5 ppm
  K:                                     ≤50 ppm
  Li:                                    ≤5 ppm
  Mg:                                    ≤5 ppm
  Mn:                                    ≤5 ppm
  Mo:                                    ≤5 ppm
  Ni:                                    ≤5 ppm
  Pb:                                    ≤5 ppm
  Sr:                                    ≤5 ppm
  Zn:                                    ≤5 ppm
λ                                    0.1 M in H2O
UV absorption λ: 260 nm A:               ≤0.15
  λ: 270 nm A:                           ≤0.05
  λ: 280 nm A:                           ≤0.03
  λ: 290 nm A:                           ≤0.02
  λ: 500 nm A:                           ≤0.02
RP gradient test                         corresponds for standard


品级Grade                             植物细胞培养级,≥99.0%  
                                (for plant cell culture,≥99.0%)  
外观Appearance                            White Powder
水溶性Solubility                          Clear to Very Slightly Hazy
16 g + 100 mL, 3 M NaOH
干燥损失Loss on Drying                     7- 11 %
纯度Purity Titration by EDTA               99.0 - 101.0 %
钠Sodium (Na) by ICP                       11.0- 12.6 %
植物细胞培养测试Plant Cell Culture Test    Pass

  

危险性质

危险品标志  Xi,Xn
WGK Germany  2
RTECS号 AH4025000
F  3
危险类别码  36-52/53-36/38-36/37/38-22
安全说明  26-61-37/39-36/37/39-36

用途及存储

用途  螯合剂;防腐剂;抗氧化增效剂;加工助剂。
用途  用于氧羧络合剂,还用于制药工业
用途  用作络合剂,也用于制药、彩色显影及稀有金属的冶炼等 

  密封干燥保存。