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TR129-91-9 8-aminonaphthalene-1,6-disulphonic acid
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Dragon Chemical Group Co.,China
[ Gold Suppliers ]
| Telephone | +86-571-88383188;86970388;+49-211-550203-21 |
| sales@dragon-chem.com | |
| Address | 16/Fl., Tower B, Qingchun Development Building, 66 East Qingchun Rd., Hangzhou, China |
SUNWELL CHEMICALS CO.,LTD.
[ Gold Suppliers ]
| Contact | Wang Zi Jing |
| Telephone | 86-571-87243911 87046883 56822187 56822186 |
| sales@sunwell-chem.com | |
| Address | SUITE 1108,GOLDEN PLAZA,NO.118,QING CHUN ROAD,HANGZHOU,ZHEJIANG,CHINA |
Tianjin Yuansu Chemical Reagent Co., LTD
[ Gold Suppliers ]
| Specifications | 99% min |
| Packing | 25kg 50kg drum or bag |
| Description | What is the chemical of 1-Naphthylamine-3,8-Disulfonic Acid ? Appearance: Yellow or yellow brown 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 ; ======================================================== Used as an intermediate in the dye industry, it is also applied in fields such as pharmaceutical synthesis, food additives, printing and dyeing, leather processing, and metallurgy |
| 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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