Skip to main content
Jingsj
.mol.sdf

p-Terphenyl-4-carboxylic acid

Also known as: [1,1':4',1''-terphenyl]-4-carboxylic acid, 4-(4-phenylphenyl)benzoic acid, 4-carboxy-p-terphenyl, 4-phenyl-biphenyl-4'-carboxylic acid, p-terphenyl-4-carbonsaeure, terphenyl-1-carboxylic acid

p-Terphenyl-4-carboxylic acid (CAS 5731-15-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H14O2 and a molecular weight of 274.31300 g/mol. Key properties include a melting point of 305ºC (dec.), a boiling point of 598ºC at 760 mmHg, a density of 1.15g/cm3 and a flash point of 315.4ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H319 — Causes serious eye irritation and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5731-15-7
Jingsj CID
J-1967838-7
Molecular Formula
C19H14O2
Molecular Weight
274.31300 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point305ºC (dec.)
Boiling Point598ºC at 760 mmHg
Density1.15g/cm3
Flash Point315.4ºC
Exact Mass274.09900
PSA37.30000
LogP4.71880
Refractive Index1.615

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of p-Terphenyl-4-carboxylic acid?

The CAS number of p-Terphenyl-4-carboxylic acid is 5731-15-7.

What are the molecular formula and molecular weight of p-Terphenyl-4-carboxylic acid?

p-Terphenyl-4-carboxylic acid has molecular formula C19H14O2 and molecular weight 274.31300 g/mol.

Is p-Terphenyl-4-carboxylic acid hazardous?

p-Terphenyl-4-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of p-Terphenyl-4-carboxylic acid?

For p-Terphenyl-4-carboxylic acid, Upstream Products: para-Terphenyl, 4-Bromo-p-terphenyl, Oxalyl chloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "p-Terphenyl-4-carboxylic acid (CAS 5731-15-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1967838-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.