(2-Methylphenoxy)acetic acid

2-甲基苯氧基乙酸

Also known as: (2-Methylphenoxy)acetic acid, 2-Methylphenoxyacetic acid, o-Tolyloxyacetic acid, o-Cresoxyacetic acid, 2-(o-Tolyloxy)acetic acid, 2-(2-methylphenoxy)acetic acid, Acetic acid, (2-methylphenoxy)-, 2-(2-methylphenoxy)ethanoic acid, o-Methylphenoxyacetic acid, 2-methylphenyloxyacetic acid, o-Toloxyacetic acid

CAS No.
1878-49-5
Jingsj CID
J-30944-0
Molecular Formula
C9H10O3
Chinese Name
2-甲基苯氧基乙酸
Molecular Weight
166.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-157 °C(lit.)
Boiling Point288.4±15.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point115.7±13.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (2-Methylphenoxy)acetic acid?

1878-49-5

What are the molecular formula and molecular weight of (2-Methylphenoxy)acetic acid?

C9H10O3, molecular weight 166.174 g/mol

Is (2-Methylphenoxy)acetic acid hazardous?

Warning

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