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TR117-61-3 Benzidine-2,2'-disulfonic acid
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Kelco Chemicals Co.,Ltd.
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| Telephone | +86-21-62744350 62598819 |
| marketing@kelcochem.com | |
| Address | Rm 601, Tianshan Manshion, No. 30, Tian Shan Road,Shanghai, 200336, China. |
Hangzhou Dingsheng Chemical Co ., Ltd.
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| Telephone | +86-571-85284775 85284792 |
| sharpchem@vip.sina.com | |
| Address | Room 912, 2 Tents,Binjiang Xincheng Times Square,No.189 Fengqi Rd., Hangzhou,China |
Shanghai Z-CHEM Chemical Co.,Ltd.
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| Contact | Ms.Guo |
| Telephone | 021-58851069 |
| sales@shzchem.com | |
| Address | Rm409,410 Shanghai ship &shipping research institute no.600 Minsheng Road, Shanghai 200135 China |
Tianjin Yuansu Chemical Reagent Co., LTD
[ Gold Suppliers ]
| Specifications | 99% min |
| Packing | 25kg 50kg drum or bag |
| Description | What is the chemical of Benzidine-2,2'-Disulfonic Acid ? Appearance: Light purple powder?? Assay:99%min by HPLC?? IR Identity: conform to standard?? HNMR?? conform to standard?? carbon spectrum: conform to standard?? Water by K. F.:0.5% max or as per the customer??s request?? Loss on drying:0.5% max. or as per the customer??s request?? ===============================================================================Benzidine-2,2'-Disulfonic Acid is mainly used as a dye intermediate for synthesizing acid mordant dyes, acid complex dyes, and reactive dyes, such as for preparing Acid Mordant RH and Acid Complex Violet 5RN. It is also used in organic synthesis and chemical production. ===============================================================================Synthesis Route: Based on its chemical structure (4,4'-diamino-2,2'-diphenylsulfonic acid), it is prepared from anil-ine via sulfonation reaction, typically using concentrated sulfuric acid or fuming sulfuric acid as the sulfonat... |
| Contact | Mr. Alexander Wang |
| Telephone | +86-22-83739603 |
| sales@yuansu-reagent.com | |
| Address | No. 268, Yuliang Street, Dagang Street, Binhai New Area, Tianjin, China |
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