订购电话:4001650900

Phloxine B

Molecular Structure:
MDL:
--MFCD00070627
Molecular Formula:
C20H2Br4Cl4Na2O5
Molecular Weight:
829.63
Alias:
酸性红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 高纯级 25g RMB 423.5 Consulting service
Phloxine B 高纯级 10g RMB 198 Consulting service
Phloxine B AR 25g RMB 203.5 Consulting service
Quality Standard:
   
   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    
                                       (High pure grade)
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)                   ≥90.0 %(以无水物计算)
干燥损失Drying loss                     ≤7.0 %
λ max.                                  536.0 - 540.0 nm(0.02 mol/L 醋酸铵溶液)

Storage:

用途  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。
上海紫一试剂厂   © 2024 All Rights Reserved      备案号:沪ICP备19037119号-1     
网站地图:
试剂CAS试剂分类试剂产品实验仪器耗材分类实验仪器耗材新闻资讯
   沪公网安备 31012002003055号