• 甲酚红 [1733-12-6]

  • 英文名:Cvesol red
  • 别名:邻甲酚磺酰酞,邻甲磺酞
  • CAS号:1733-12-6 分子式:C21H18O5S 分子量:382.42
P153605-25g 甲酚红 [1733-12-6] 93% (HPLC) 25g 91.00 促销价:57.33
P153608-500g 甲酚红 [1733-12-6] 93%+(HPLC) 500g 650.00 促销价:409.50
P153607-100g 甲酚红 [1733-12-6] 93%+(HPLC) 100g 241.00 促销价:151.83
P153606-500g 甲酚红 [1733-12-6] 97% 500g 691.00 促销价:435.33
P153605-25g 甲酚红 [1733-12-6] 97% 25g 263.00 促销价:165.69
P153606-5g 甲酚红 [1733-12-6] 97% 5g 108.00 促销价:68.04
P153606-500g 甲酚红 [1733-12-6] IND 500g 928.00 促销价:696.00
P153605-100g 甲酚红 [1733-12-6] IND 100g 257.00 促销价:192.75
P153604-25g 甲酚红 [1733-12-6] IND 25g 92.00 促销价:69.00
P153609-500ml 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 500ml 180.00 促销价:135.00
P153600-2.5L 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 2.5L 564.00 促销价:423.00
P153602-500g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 500g 821.00 促销价:615.75
P153601-100g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 100g 257.00 促销价:192.75
P153603-25g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 25g 121.00 促销价:90.75
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P153605-25g 甲酚红 [1733-12-6] 93% (HPLC) 25g 91.00 57.33 登录可见
P153605-25g 甲酚红 [1733-12-6] 93% (HPLC) 25g 91.00 促销价:57.33
P153608-500g 甲酚红 [1733-12-6] 93%+(HPLC) 500g 650.00 409.50 登录可见
P153608-500g 甲酚红 [1733-12-6] 93%+(HPLC) 500g 650.00 促销价:409.50
P153607-100g 甲酚红 [1733-12-6] 93%+(HPLC) 100g 241.00 151.83 登录可见
P153607-100g 甲酚红 [1733-12-6] 93%+(HPLC) 100g 241.00 促销价:151.83
P153606-500g 甲酚红 [1733-12-6] 97% 500g 691.00 435.33 登录可见
P153606-500g 甲酚红 [1733-12-6] 97% 500g 691.00 促销价:435.33
P153605-25g 甲酚红 [1733-12-6] 97% 25g 263.00 165.69 登录可见
P153605-25g 甲酚红 [1733-12-6] 97% 25g 263.00 促销价:165.69
P153606-5g 甲酚红 [1733-12-6] 97% 5g 108.00 68.04 登录可见
P153606-5g 甲酚红 [1733-12-6] 97% 5g 108.00 促销价:68.04
P153606-500g 甲酚红 [1733-12-6] IND 500g 928.00 696.00 登录可见
P153606-500g 甲酚红 [1733-12-6] IND 500g 928.00 促销价:696.00
P153605-100g 甲酚红 [1733-12-6] IND 100g 257.00 192.75 登录可见
P153605-100g 甲酚红 [1733-12-6] IND 100g 257.00 促销价:192.75
P153604-25g 甲酚红 [1733-12-6] IND 25g 92.00 69.00 登录可见
P153604-25g 甲酚红 [1733-12-6] IND 25g 92.00 促销价:69.00
P153609-500ml 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 500ml 180.00 135.00 登录可见
P153609-500ml 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 500ml 180.00 促销价:135.00
P153600-2.5L 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 2.5L 564.00 423.00 登录可见
P153600-2.5L 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 2.5L 564.00 促销价:423.00
P153602-500g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 500g 821.00 615.75 登录可见
P153602-500g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 500g 821.00 促销价:615.75
P153601-100g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 100g 257.00 192.75 登录可见
P153601-100g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 100g 257.00 促销价:192.75
P153603-25g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 25g 121.00 90.75 登录可见
P153603-25g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 25g 121.00 促销价:90.75
  •  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

深红色、红棕色或棕绿色粉末,易溶于醇及稀氢氧化碱溶液,微溶于水,其0.1%醇溶液或0.04%钠盐水溶液用作指示剂。

质量标准

  

GB/T 15348-94
项目Item                                        指示剂
                                                 (Ind)
pH变色域Visual transition interval              6.5(黄)~8.5(紫)
最大吸收波长Maximum absorption wave length
    λ1 (pH6.5)                 432~436
    λ2 (pH8.5)                                  571~574
质量吸收系数mass absovptivity
  α1 (λ1,pH6.5干样)                           49~67
  α2 (λ2,pH8.5干样)                           100~132
乙醇溶解试验Solubility(in ethanol)               合格
干燥失重Drying loss,%                            ≤3.0
灼烧残渣(以硫酸盐计)Ignition residue,%           ≤0.2


品级Grade                               分析纯  
                                        (AR)
外观Appearance                          绿色至暗红色或栗色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥85.0% (HPLC)  
乙醇溶解试验Solubility in EtOH(50vol%)  合格  
PH变色域Transition interval(pH)         (黄)6.5 to 8.8(红)
吸光度Absorbance                         ≤0.630(5 mg/L, pH 9.2, 570.0 - 574.0 nm)


98%:


外观Appearance                          绿色至暗红色或栗色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥98.0% (HPLC)  
乙醇溶解试验Solubility in EtOH(50vol%)  合格  
PH变色域Transition interval(pH)         (黄)7.2 to 8.8(红)
吸光度Absorbance                         ≤0.630(5 mg/L, pH 9.2, 570.0 - 574.0 nm)

  

危险性质

  

用途及存储

酸碱指示剂。

  密封干燥保存。