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4 Sulfonamidophenylhydrazin e Hydrochloride - China
price: contact company for price
4-Sulfonamidophenylhydraz ine hydrochloride
4-Sulfonamidophenylhyd razine hydrochloride is used in pharmaceutical intermediate and other.
It’s 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-sulfon amide hydrochloride
4-Hydrazinobenzene-1-sulf onamide hydrochloride;
4-Aminosulfonylphenylh ydrazine 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
Company Contact:
- Posted By: Hubei Jiayun Chemical Technology Co.,Ltd
- Phone: 867283601199
- Address: 2# Yehe Road ,Liukou Industrial Park,Xiantao city,, Xiantao , China
- Email:
- Website: http://www.jiayunchem.com
Published date: March 15, 2013
- Business Description: Hubei Jiayun Chemical Technology co., ltd is a high tech enterprises specialized in R&D, production, sales of paper chemicals, electronic chemicals and pharmaceutical intermediates.
We have years of experience in paper chemicals, electronic chemicalsand pharmaceutical intermediates.
We supply good quality products like akd sizig agent, surfac sizing agent, wet strenth agent, dry strenth agent, 4 acetoxystyrene monomer, pharmaceutical intermediates and so on.
For years hard work , our products are obtained good repution.
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