CAS No. 144-83-2

Appearance	Off-white or yellowish-white crystalline powder
Identification	Conform with monograph A.B
Clarity and colour of solution	Clear not deeper than pale yellow
Melting point	190― 193℃
Selenium	Nmt 0.003%
Heavy metals	Nmt 0.002%
Acidity	Nmt 0.2ml
Loss on drying	Nmt 0.5%
Residue on ignition	Nmt 0.1%
Assay	99.0― 100.5%

Melting point 191-193 ° C
Storage conditions 2-8 ° C
Water solubility <0.1 g / 100 mL at 22 ºC
Merck 8938
Stable. Combustible. Protect from light. Incompatible with strong oxidizing agents.
CAS database 144-83-2 (CAS DataBase Reference)
NIST chemical substance information Sulfapyridine (144-83-2)


Chemical properties: yellow brown to white powder. Melting point 191-193 ° C. Slightly soluble in water.
Use of pharmaceutical intermediates.
Production methods 2-aminopyridine by condensation, hydrolysis derived.

Smile code:
O=S(C1=CC=C(N)C=C1)(NC2=NC=CC=C2)=O
MDL Number:
MFCD00038036
Purity :
98+%
Available in stock:
81.007 g