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BrandCodow
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Product No.CD100900
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CAS No.115-40-2
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StandardQ/HWC032-2020
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This product can be used for titration analysis, qualitative and quantitative analysis, etc. It should be stored in a cool, ventilated place, sealed, and used within its expiration date. To obtain the product's Certificate of Analysis (COA), please visit www.howeipharm.com to view and download it.
Standard : Q/HWC032-2020 广州和为医药科技有限公司化学品制造标准
Product No. : CD100900
Product Name : Bromocresol purple
Product Spec. : 指示剂 Ind
CAS号 : 115-40-2
分子式 : C21H16Br2O5S
分子量 : 540.22
贝尔斯坦(Beilstein)注册号 : 359618
酶学委员会编号 : 204-087-8
MDL编号 : MFCD00011681
pH 变色域 Transition range : 5.2(黄)Yellow~6.8(紫)Purple
干燥失重 Loss on drying : ≤0.5%
灼烧残渣 ( 以硫酸盐计 )Residue on ignition(asSO4) : ≤0.1%
稀碱溶解试验 Solubility in alkali : 合格 Pass
最大吸收波长λ1(pH 5.2) : 427~431
最大吸收波长λ2(pH 6.8) : 588~590
质量吸收系数α1(λ1,pH 5.2,干样) : 40.5~45.0
质量吸收系数α2(λ2,pH 6.8,干样) : 100.0~110.0
颜色外观 Color Appearance : 紫色粉末 Purple powder
熔点 Melting range, ℃ : 240 ℃
Shelf Life : 730 Days
COA : Have COA
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