Basic

CAS No.	40357-96-8
Product Name	2-Nitrothiophene-4-carboxylic acid
Synonyms	5-Nitrothiophene-3-carboxylic acid; 5-nitrothiophene-3-carboxylate
Molecular Formula	C5H2NO4S
Molecular Weight	172.1392

Physical property

Melting point	145-146℃
Boiling point	367.2°C at 760 mmHg
Flash point	175.9°C

Hazard Symbols	Xi:Irritant;
Risk Codes	R36/37/38:Irritating to eyes, respiratory system and skin.;
Safety Description	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S37/39:Wear suitable gloves and eye/face protection.;