17852-52-7
4-Sulfonamidophenylhydrazine hydrochloride
4-Sulfonamidophenylhydrazine 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-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
Other supplier products
|
AKD sizing agent |
AKD sizing agent is one of newly-developed products in our company for the purpose of avoiding defects such as slow ripening, easy to be under mach... |
|
Release agent |
Brief Product Introduction:Release agents are mainly use for stripping of high-grade toilet paper, light paper, calico paper, aluminum thin mount,... |
|
Dry strength agent |
Dry strength agent can be widely used in papermaking of packaging paper, household paper, newsprint, cultural paper and other paper. It can effecti... |
|
93-11-8 |
2-Naphthalenesulfonyl chloride
Synonyms:2-Naphthylsulfonyl chloride,beta-Naphthalenesulfochloride
Appearance:white powder
CAS NO:93-11-8
Molecu... |
|
Alkyl Ketene Dimer |
Alkyl Ketene Dimer (AKD)-Paper Sizing Agent
Performance characteristics
1 significantly improves the paper printing surface strength, shortening th... |
All supplier products
Same products
|
LED Smart Light Bulb |
Seller: XIAMEN TOPSTAR LIGHTING CO.,LTD |
Light bulbs—even smart ones—should be easy. Just screw a smart bulb lampinto a lamp, ... |
|
Tropical Blister Foil |
Seller: JIANGSU LONGSHENG PHARMACEUTICAL PACKAGING MATERIALS CO.,LTD |
Tropical Blister Foil
Typical Structure of tropical blister foilis two layers: OPA / AL / VC. Th... |
|
Transparent Label |
Seller: JIANGSU LONGSHENG PHARMACEUTICAL PACKAGING MATERIALS CO.,LTD |
Transparent Label
Our transparent personalised labelsuse bright CMYK inks as well as white inks,... |
|
Synthetic Paper Label |
Seller: JIANGSU LONGSHENG PHARMACEUTICAL PACKAGING MATERIALS CO.,LTD |
Synthetic Paper Label
Your product label needs to be waterproof, scuff-resistant, and tough enou... |
|
Removable Label |
Seller: JIANGSU LONGSHENG PHARMACEUTICAL PACKAGING MATERIALS CO.,LTD |
Removable Label
Small removable labelsare also called eco-friendly labels, N-time labeling, remo... |