• 溴甲酚綠鈉 [62625-32-5]

  • 英文名:Bromocresol green sodium salt
  • 別名:溴甲酚綠鈉鹽
  • CAS號:62625-32-5 分子式:C21H13BR4NAO5S 分子量:720.00
P176427-25g 溴甲酚綠鈉 [62625-32-5] 98%,高純級 25g 385.00
P176428-5g 溴甲酚綠鈉 [62625-32-5] 98%,高純級 5g 119.00
P176425-25g 溴甲酚綠鈉 [62625-32-5] ACS reagent, 90 % 25g 330.00
P176426-5g 溴甲酚綠鈉 [62625-32-5] ACS reagent, 90 % 5g 109.00
P176423-5g 溴甲酚綠鈉 [62625-32-5] AR 5g 46.00
P176420-25g 溴甲酚綠鈉 [62625-32-5] IND 25g 145.00
P176422-5g 溴甲酚綠鈉 [62625-32-5] IND 5g 49.00
訂貨編號 商品名稱 規(guī)格 包裝 單價(jià) 促銷價(jià) 會員價(jià) 數(shù)量
P176427-25g 溴甲酚綠鈉 [62625-32-5] 98%,高純級 25g 385.00 385.00 登錄可見
P176427-25g 溴甲酚綠鈉 [62625-32-5] 98%,高純級 25g 385.00
P176428-5g 溴甲酚綠鈉 [62625-32-5] 98%,高純級 5g 119.00 119.00 登錄可見
P176428-5g 溴甲酚綠鈉 [62625-32-5] 98%,高純級 5g 119.00
P176425-25g 溴甲酚綠鈉 [62625-32-5] ACS reagent, 90 % 25g 330.00 330.00 登錄可見
P176425-25g 溴甲酚綠鈉 [62625-32-5] ACS reagent, 90 % 25g 330.00
P176426-5g 溴甲酚綠鈉 [62625-32-5] ACS reagent, 90 % 5g 109.00 109.00 登錄可見
P176426-5g 溴甲酚綠鈉 [62625-32-5] ACS reagent, 90 % 5g 109.00
P176423-5g 溴甲酚綠鈉 [62625-32-5] AR 5g 46.00 46.00 登錄可見
P176423-5g 溴甲酚綠鈉 [62625-32-5] AR 5g 46.00
P176420-25g 溴甲酚綠鈉 [62625-32-5] IND 25g 145.00 145.00 登錄可見
P176420-25g 溴甲酚綠鈉 [62625-32-5] IND 25g 145.00
P176422-5g 溴甲酚綠鈉 [62625-32-5] IND 5g 49.00 49.00 登錄可見
P176422-5g 溴甲酚綠鈉 [62625-32-5] IND 5g 49.00
  •  訂貨編號
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價(jià)
  •  促銷價(jià)
  •  會員價(jià)
  •  數(shù)量

化學(xué)性質(zhì)

熔點(diǎn):230℃

質(zhì)量標(biāo)準(zhǔn)

   

品級Grade                                分析純  
                                          (AR)
外觀Appearance                          Dark green to black powder or crystals
紅外光譜鑒別Infrared spectrum           Conforms to structure
純度Purity(HPLC)                        ≥90.0%  
PH變色范圍Visual range                  3.8(yellow)-5.4(blue)
灼燒殘?jiān)黂esidue on ignition(as sulfate) 8.5-11.5%


項(xiàng)目(name)                     指示劑(Ind)
                              (indicator grade)
水溶解試驗(yàn)                        合格
PH變色范圍                       3.8(黃色)-5.4(藍(lán)色)
灼燒殘?jiān)?以硫酸鹽計(jì))             8.5-11.5%


品級Grade                               高純級  
                                       (High pure)
外觀Appearance                          暗綠色至棕色、黑色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              98.0 to 105.0 % (以干基計(jì))  
pH變色域Transition interval:            pH 3.8 (yellow) to pH 5.4 (blue)
靈敏性試驗(yàn)Sensitiveness test            Pass



品級Grade                                ACS級  
                                     (ACS reagent, 90 %)
外觀Appearance                          暗綠色至棕色、黑色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥90.0% (HPLC)
λ                                       614 - 618 nm
                                        c = 0.01g/L, Water
消光系數(shù)Extinction Coefficient          ≥25000
λ                                       394 - 406 nm
消光系數(shù)Extinction Coefficient          ≥8000  
λ                                       306 - 310 nm
消光系數(shù)Extinction Coefficient          ≥10000
pH變色域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

   

危險(xiǎn)性質(zhì)

   

用途及存儲

PH指示劑(pH 3.8-5.4)。

    密封干燥保存。