• 荧光桃红B [18472-87-2]

  • 英文名:Phloxine B
  • 别名:酸性红92
  • CAS号:18472-87-2 分子式:C20H2BR4CL4NA2O5 分子量:829.63
P153808-500g 荧光桃红B [18472-87-2] 93% 500g 998.00 促销价:628.74
P153800-100g 荧光桃红B [18472-87-2] 93% 100g 298.00 促销价:187.74
P153809-25g 荧光桃红B [18472-87-2] 93% 25g 125.00 促销价:78.75
P153808-5g 荧光桃红B [18472-87-2] 93% 5g 55.00 促销价:34.65
P153800-500g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 500g 900.00 促销价:567.00
P153809-100g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 100g 265.00 促销价:166.95
P153802-25g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 25g 108.00 促销价:68.04
P153803-5g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 5g 50.00 促销价:31.50
P153801-500g 荧光桃红B [18472-87-2] Dye content ≥90 % 500g 941.00 促销价:592.83
P153802-100g 荧光桃红B [18472-87-2] Dye content ≥90 % 100g 280.00 促销价:176.40
P153801-25g 荧光桃红B [18472-87-2] Dye content ≥90 % 25g 115.00 促销价:72.45
P153803-5g 荧光桃红B [18472-87-2] Dye content ≥90 % 5g 53.00 促销价:33.39
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P153808-500g 荧光桃红B [18472-87-2] 93% 500g 998.00 628.74 登录可见
P153808-500g 荧光桃红B [18472-87-2] 93% 500g 998.00 促销价:628.74
P153800-100g 荧光桃红B [18472-87-2] 93% 100g 298.00 187.74 登录可见
P153800-100g 荧光桃红B [18472-87-2] 93% 100g 298.00 促销价:187.74
P153809-25g 荧光桃红B [18472-87-2] 93% 25g 125.00 78.75 登录可见
P153809-25g 荧光桃红B [18472-87-2] 93% 25g 125.00 促销价:78.75
P153808-5g 荧光桃红B [18472-87-2] 93% 5g 55.00 34.65 登录可见
P153808-5g 荧光桃红B [18472-87-2] 93% 5g 55.00 促销价:34.65
P153800-500g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 500g 900.00 567.00 登录可见
P153800-500g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 500g 900.00 促销价:567.00
P153809-100g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 100g 265.00 166.95 登录可见
P153809-100g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 100g 265.00 促销价:166.95
P153802-25g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 25g 108.00 68.04 登录可见
P153802-25g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 25g 108.00 促销价:68.04
P153803-5g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 5g 50.00 31.50 登录可见
P153803-5g 荧光桃红B [18472-87-2] AR,Dye content ≥80 % 5g 50.00 促销价:31.50
P153801-500g 荧光桃红B [18472-87-2] Dye content ≥90 % 500g 941.00 592.83 登录可见
P153801-500g 荧光桃红B [18472-87-2] Dye content ≥90 % 500g 941.00 促销价:592.83
P153802-100g 荧光桃红B [18472-87-2] Dye content ≥90 % 100g 280.00 176.40 登录可见
P153802-100g 荧光桃红B [18472-87-2] Dye content ≥90 % 100g 280.00 促销价:176.40
P153801-25g 荧光桃红B [18472-87-2] Dye content ≥90 % 25g 115.00 72.45 登录可见
P153801-25g 荧光桃红B [18472-87-2] Dye content ≥90 % 25g 115.00 促销价:72.45
P153803-5g 荧光桃红B [18472-87-2] Dye content ≥90 % 5g 53.00 33.39 登录可见
P153803-5g 荧光桃红B [18472-87-2] Dye content ≥90 % 5g 53.00 促销价:33.39
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

质量标准

   

项目                                    分析纯    
                                        (AR)
外观Appearance                          棕红色至暗棕色粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity(UV method)                   ≥80.0 %(以无水物计算)
干燥损失Drying loss                     ≤10.0 % (105°C)  
λ max                                   546 - 550 nm ( 50:50 METHS:水)
吸光率Absorpt. Ratio P-15/P+15          1.38 - 2.24
吸光度Specific abs. A (1%/1cm)          875 - 1300 (λ max.)



项目                                   高纯级,≥97.0 %    
                                   (Ultrapure,≥97.0 %)
外观Appearance                          棕红色至暗棕色粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity(HPLC)                        ≥97.0 %
干燥损失Drying loss                     ≤7.0 %
λ max.                                  513nm(0.02 mol/L 醋酸铵溶液)
 

   

危险性质

   

用途及存储

吸附指示剂,用于Mallory's 荧光桃红-亚甲基蓝染色;Kreyberg's 方法用于角质素和粘液。
 

    密封干燥保存。