2018/12/12 22:19:07打印记事本记算器
甲基红钠盐

甲基红钠盐 [845-10-3]

  • Methyl Red sodium salt
  • CAS:845-10-3      
  • 分子式:C15H14N3NAO2
  • 分子量:291.28
  • MDL:MFCD00002426
  • EINECS:212-682-9
  • 别名:酸性红2
产品货号商品名称规格包装售价(RMB)促销价(RMB)库存量数量操作备注
H1154343甲基红钠盐 [845-10-3]IND25g65.00
促销价
45.00
>10 A288 CH
H1154342甲基红钠盐 [845-10-3]IND100g190.00
促销价
133.00
>10 A288 CH
H1154341甲基红钠盐 [845-10-3]IND500g670.00
促销价
469.00
>10 A288 CH
H1154340甲基红钠盐 [845-10-3]ACS reagent, 95 %25g195.00->10 A288 CH
H1154339甲基红钠盐 [845-10-3]ACS reagent, 95 %100g630.00->10 A288
化学性质质量标准危险性质用途及储存
化学性质
橙红色结晶性粉末。溶于水和乙醇。最大吸收波长437nm。
质量标准
  

品级Grade                               指示剂级(IND)  
                                    (indicator (pH 4.2-6.2))
外观Appearance                          红棕色粉末
红外光谱鉴别Infrared spectrometry       Conforms
水溶解试验solubility in water           clear(0.1% in water)
pH变色域visual transition interval      pH 4.2 (red) to pH 6.2 (yellow)



品级Grade                                ACS级  
                                     (ACS reagent, 95 %)
外观Appearance                          红棕色粉末
红外光谱鉴别Infrared spectrometry       Conforms
染料含量Dye content,                    95%  
水溶解试验solubility in water           clear(0.1% in water)
pH变色域visual transition interval      pH 4.2 (red) to pH 6.2 (yellow)
λ                                       430 - 440 nm
                                        c = 0.01 g/l; Water
消光系数Extinction Coefficient          ≥17000
λ                                       256 - 260 nm
消光系数Extinction Coefficient          ≥8000
Visual Transition Interval              pH 4.2  Pink
Visual Transition Interval              pH 5.5  Orange
Visual Transition Interval              pH 6.2  Yellow
pH变色域visual transition interval      pH 4.2 (red) to pH 6.2 (yellow)

  
相关产品更多»
热销产品更多»
 记事本
关闭
 计算器
关闭