2-Chloro-5-methylnicotinic acid

2-氯-5-甲基烟酸

Also known as: 2-Chloro-5-methylpyridine-3-carboxylic acid, 2-Chloro-5-methyl-3-pyridinecarboxylic acid, 3-Pyridinecarboxylic acid, 2-chloro-5-methyl-, 2-Chloro-5-methylnicotinic acid, 2-Chloro-5-methylpyridin-3-ylcarboxylic acid

CAS No.
66909-30-6
Jingsj CID
J-1500114-2
Molecular Formula
C7H6ClNO2
Chinese Name
2-氯-5-甲基烟酸
Molecular Weight
171.581 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point49-50°C
Boiling Point331.2±37.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point154.1±26.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Chloro-5-methylnicotinic acid?

66909-30-6

What are the molecular formula and molecular weight of 2-Chloro-5-methylnicotinic acid?

C7H6ClNO2, molecular weight 171.581 g/mol

Is 2-Chloro-5-methylnicotinic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026