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Phloxine B

Molecular Structure:
MDL:
--MFCD00070627
Molecular Formula:
C20H2Br4Cl4Na2O5
Molecular Weight:
829.63
Alias:
酸性紅92 Acid Red 92 2',4',5',7'-Tetrabromo-3,4,5,6-tetrachlorofluorescein Sodium Salt
Product order:
Name Specifications Packing Price Delivery
Phloxine B 高純級 25g RMB 423.5 Consulting service
Phloxine B 高純級 10g RMB 198 Consulting service
Phloxine B AR 25g RMB 203.5 Consulting service
Quality Standard:
   
   項(xiàng)目                                    分析純    
                                        (AR)
外觀Appearance                          棕紅色至暗棕色粉末
紅外光譜鑒別Infrared spectrometry       和對照品匹配
純度Purity(UV method)                   ≥80.0 %(以無水物計算)
干燥損失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.)

項(xiàng)目                                    高純級    
                                       (High pure grade)
外觀Appearance                          棕紅色至暗棕色粉末
紅外光譜鑒別Infrared spectrometry       和對照品匹配
純度Purity(UV method)                   ≥90.0 %(以無水物計算)
干燥損失Drying loss                     ≤7.0 %
λ max.                                  536.0 - 540.0 nm(0.02 mol/L 醋酸銨溶液)

Storage:

用途  吸附指示劑,用于Mallory's 熒光桃紅-亞甲基藍(lán)染色;Kreyberg's 方法用于角質(zhì)素和粘液。
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