China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > 2-Aminotoluene-5-Sulfonic Acid
- Search Product
-
-
- Region :China/Tianjin
- Tel : +86-22-83739603
- Fax : +86-22-23989438
- Email :sales@yuansu-reagent.com
- URL :www.yuansu-reagent.com/cpzs
- Add :No. 268, Yuliang Street, Dagang Street, Binhai New Area, Tianjin, China
- Details for 2-Aminotoluene-5-Sulfonic Acid
-
2-Aminotoluene-5-Sulfonic Acid 98-33-9
Category : Dyestuffs and Pigments
CAS NO : 98-33-9 EC NO : 202-658-6 MF : C7H8NO3S MW : 186.2089 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : What is the chemical of 2-Aminotoluene-5-Sulfonic Acid ? Appearance: Colorless sheet-like crystal ; 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: Lost crystalline water at 120 ℃, decomposed and turned black at 330-350 ℃; ==================================================== Mainly used in the fields of dye intermediates and organic synthesis, such as as as raw materials for dye production or pharmaceutical synthesis (such as intermediate of sulpiride). At the same time, it is also used as an industrial chemical and as a raw material in chemical production =========================================================================== synthetic route Obtained by sulfonation reaction of ortho toluidine: 1. Solvent: Diphenylsulfone 2. Reaction temperature: 150-185 ℃ 3. Reaction characteristics: Intense reaction 4. Post processing: Dissolve the product in alkaline solution Remove solid diphenyl sulfone The finished product is obtained through distillation, water washing, filtration, and acidification The yield is as high as 98% Uses : used in the fields of dye intermediates and organic synthesis Synonyms : 4-amino-3-methylbenzenesulfonate;o-Toluidine-4-sulfonic acid(NH2=1);6-Aminotoluene-3-sulfonic acid; Molecular Structure : 
- Inquire
-
2-Aminotoluene-5-Sulfonic Acid