Sulfapyridine
[CAS# 144-83-2]

Identification

• Classification: API >> Antibiotics >> Other antibiotics
• Name: Sulfapyridine
• Synonyms: 2-Sulfapyridine; 4-((2-Pyridylamino)sulfonyl)aniline; 4-amino-N-(2-pyridinyl)benzenesulfonamide
• Molecular Formula: C₁₁H₁₁N₃O₂S
• Molecular Weight: 249.29
• CAS Registry Number: 144-83-2
• EC Number: 205-642-7

Properties

• Melting point: 191-193 ºC
• Water solubility: <0.1 g/100 mL at 22 ºC

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	2	H300
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - single exposure	STOT SE	1	H370
Reproductive toxicity	Repr.	1A	H360
Reproductive toxicity	Repr.	2	H361
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315