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Name:Hubei Jiayun Chemical Technology Co.,Ltd
Type:Others
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Products detail
Product Name: | 4-Sulfonamidophenylhydrazine hydrochloride | |
CAS No: | 17852-52-7 | |
Product Type: | Pharmaceutical Chemicals | |
Product spec: | JY-PH1 | |
Packing: | ||
Post Time: | 2013-04-07 | |
Usage: | pharmaceutical intermediates | |
Description: | 4-Sulfonamidophenylhydrazine hydrochloride 4-Sulfonamidophenylhydrazine hydrochloride is used in pharmaceutical intermediate and other. It is mainly used for producing Celecoxib.The process and raw materials as follows:After sulfanilamide diazotized with hydrochloric acid and sodium nitrite,again under the reduction of sodium bisulfite, after acidification,filtration,cooling,crystallization,centrifugation, drying, then package and storage. Synonyms: Hydrazinobenzene-1-sulfonamide hydrochloride 4-Hydrazinobenzene-1-sulfonamide hydrochloride; 4-Aminosulfonylphenylhydrazine hydrochloride Molecular Formula: C6H10ClN3O2S CAS NO:17852-52-7 Molecular weight:223.68 Appearance:white powder Melting Point:217-219℃ Purity(%): ≥97 Sulfanilamide: ≤1.0 Single impurity(%)≤0.2: Total impurity content(%):≤1.5 Sulphate ash: ≤2.0 |