4-(Phenylethynyl)benzoic acid

4-(苯乙炔基)苯甲酸

Also known as: 4-(2-phenylethynyl)benzoic acid, 4-PHENYLETHYNYL-BENZOIC ACID, Benzoic acid, 4-(2-phenylethynyl)-, p-(Phenylethynyl)benzoic acid, Tolan-4-carboxylic acid, RARECHEM AL BO 1652, AKOS B025059, AKOS BAR-2464, ART-CHEM-BB B025059, Albb-005706

CAS No.
25739-23-5
Jingsj CID
J-1448079-3
Molecular Formula
C15H10O2
Chinese Name
4-(苯乙炔基)苯甲酸
Molecular Weight
222.239 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point407.3±28.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point185.7±18.7 °C

Frequently Asked Questions

What is the CAS number of 4-(Phenylethynyl)benzoic acid?

25739-23-5

What are the molecular formula and molecular weight of 4-(Phenylethynyl)benzoic acid?

C15H10O2, molecular weight 222.239 g/mol

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