• 溴甲酚绿钠 [62625-32-5]

  • 英文名:Bromocresol green sodium salt
  • 别名:溴甲酚绿钠盐
  • CAS号:62625-32-5 分子式:C21H13BR4NAO5S 分子量:720.00
P176427-25g 溴甲酚绿钠 [62625-32-5] 98%,高纯级 25g 385.00
P176428-5g 溴甲酚绿钠 [62625-32-5] 98%,高纯级 5g 119.00
P176425-25g 溴甲酚绿钠 [62625-32-5] ACS reagent, 90 % 25g 330.00
P176426-5g 溴甲酚绿钠 [62625-32-5] ACS reagent, 90 % 5g 109.00
P176423-5g 溴甲酚绿钠 [62625-32-5] AR 5g 46.00
P176420-25g 溴甲酚绿钠 [62625-32-5] IND 25g 145.00
P176422-5g 溴甲酚绿钠 [62625-32-5] IND 5g 49.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P176427-25g 溴甲酚绿钠 [62625-32-5] 98%,高纯级 25g 385.00 385.00 登录可见
P176427-25g 溴甲酚绿钠 [62625-32-5] 98%,高纯级 25g 385.00
P176428-5g 溴甲酚绿钠 [62625-32-5] 98%,高纯级 5g 119.00 119.00 登录可见
P176428-5g 溴甲酚绿钠 [62625-32-5] 98%,高纯级 5g 119.00
P176425-25g 溴甲酚绿钠 [62625-32-5] ACS reagent, 90 % 25g 330.00 330.00 登录可见
P176425-25g 溴甲酚绿钠 [62625-32-5] ACS reagent, 90 % 25g 330.00
P176426-5g 溴甲酚绿钠 [62625-32-5] ACS reagent, 90 % 5g 109.00 109.00 登录可见
P176426-5g 溴甲酚绿钠 [62625-32-5] ACS reagent, 90 % 5g 109.00
P176423-5g 溴甲酚绿钠 [62625-32-5] AR 5g 46.00 46.00 登录可见
P176423-5g 溴甲酚绿钠 [62625-32-5] AR 5g 46.00
P176420-25g 溴甲酚绿钠 [62625-32-5] IND 25g 145.00 145.00 登录可见
P176420-25g 溴甲酚绿钠 [62625-32-5] IND 25g 145.00
P176422-5g 溴甲酚绿钠 [62625-32-5] IND 5g 49.00 49.00 登录可见
P176422-5g 溴甲酚绿钠 [62625-32-5] IND 5g 49.00
  •  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

熔点:230℃

质量标准

   

品级Grade                                分析纯  
                                          (AR)
外观Appearance                          Dark green to black powder or crystals
红外光谱鉴别Infrared spectrum           Conforms to structure
纯度Purity(HPLC)                        ≥90.0%  
PH变色范围Visual range                  3.8(yellow)-5.4(blue)
灼烧残渣Residue on ignition(as sulfate) 8.5-11.5%


项目(name)                     指示剂(Ind)
                              (indicator grade)
水溶解试验                        合格
PH变色范围                       3.8(黄色)-5.4(蓝色)
灼烧残渣(以硫酸盐计)             8.5-11.5%


品级Grade                               高纯级  
                                       (High pure)
外观Appearance                          暗绿色至棕色、黑色粉末或结晶
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              98.0 to 105.0 % (以干基计)  
pH变色域Transition interval:            pH 3.8 (yellow) to pH 5.4 (blue)
灵敏性试验Sensitiveness test            Pass



品级Grade                                ACS级  
                                     (ACS reagent, 90 %)
外观Appearance                          暗绿色至棕色、黑色粉末或结晶
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥90.0% (HPLC)
λ                                       614 - 618 nm
                                        c = 0.01g/L, Water
消光系数Extinction Coefficient          ≥25000
λ                                       394 - 406 nm
消光系数Extinction Coefficient          ≥8000  
λ                                       306 - 310 nm
消光系数Extinction Coefficient          ≥10000
pH变色域Transition interval:            pH 3.8 (yellow) to pH 5.2 (blue)
Visual Interval                         Pass
                                        pH 3.8 = Yellow  
Visual Interval                         Pass
                                        pH 4.5 = Green
Visual Interval                         Pass
                                        pH 5.4 = Blue
不溶物Insoluble Matter.                c = 0.1g/100ml; Water

   

危险性质

   

用途及存储

PH指示剂(pH 3.8-5.4)。

    密封干燥保存。