2-ethynylbenzoic acid

2-乙炔基苯甲酸

Also known as: 2-ETHYNYL-BENZOIC ACID, o-Ethynylbenzoic acid, Benzoic acid, 2-ethynyl-, RARECHEM AL BE 0922, o-Ethinylbenzoesaeure

CAS No.
33578-00-6
Jingsj CID
J-1373833-8
Molecular Formula
C9H6O2
Chinese Name
2-乙炔基苯甲酸
Molecular Weight
146.143 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point282.1±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point128.4±17.3 °C

Frequently Asked Questions

What is the CAS number of 2-ethynylbenzoic acid?

33578-00-6

What are the molecular formula and molecular weight of 2-ethynylbenzoic acid?

C9H6O2, molecular weight 146.143 g/mol

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