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TR116-63-2 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
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Xi:Irritant;Featured China Suppliers
AFINE CHEMICALS LIMITED
[ Gold Suppliers ]
| Contact | Mr. Wei Fei ( Managing Director) Mrs. Lanny Cao ( Director) |
| Telephone | +86-571-85232125;85232161;85134551 |
| info@afinechem.com;sales@afinechem.com | |
| Address | 7-601 ,Xigang Xinjie, Xihu Industrial Park, Sandun Town,Hangzhou 310030, China |
Hangzhou Dingyanchem Co.,Ltd
[ Gold Suppliers ]
| Telephone | +86-571-87157530 |
| sales@dingyanchem.com | |
| Address | RM1118,NO.1 Building, Baiyun Tower, Jianggan area, Hangzhou city, Zhejiang,China. |
Shenyang Simchoice Chemical Co., Ltd.
[ Gold Suppliers ]
| Contact | Eric Li |
| Telephone | +86-24-23769576;+86-15040101888 |
| sales@simchoicechem.com | |
| Address | No.7-2,Tianci Street,Hunnan District.,Shenyang 110180,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-Amino-2-Naphthol-4-Sulfonic Acid ? Appearance: White or gray needle shaped crystals, often containing semi molecular crystal water, easily oxidized to a rose red color when exposed to air. Slightly soluble in cold water, soluble in hot water, hot sodium bisulfite, and alkaline solutions. The aqueous solution appears green, while the sodium salt solution exhibits blue fluorescence ; 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 ; Melting point: 290~293 ??C; ============================================================================= Used for the production of azo dyes, acid intermediate dyes, and acid complex dyes. It is also used to manufacture acidic complex peach red B, acidic medium black R, acidic complex salt GGN, acidic medium jujube BN, etc. It can al... |
| 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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