5-Methylsalicylic acid

5-甲基水杨酸

Also known as: 2-Hydroxy-5-methylbenzoic acid, 2,5-Cresotic acid, p-Cresotinic acid, alpha-Cresotinic acid, p-Homosalicylic acid, 6-Hydroxy-3-methylbenzoic acid, 5-Methyl-2-hydroxybenzoic acid

CAS No.
89-56-5
Jingsj CID
J-8236-9
Molecular Formula
C8H8O3
Chinese Name
5-甲基水杨酸
Molecular Weight
152.15 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point163-165 °C(lit.)
Boiling Point299.8±28.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point149.3±20.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Methylsalicylic acid?

89-56-5

What are the molecular formula and molecular weight of 5-Methylsalicylic acid?

C8H8O3, molecular weight 152.15 g/mol

Is 5-Methylsalicylic acid hazardous?

Warning

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