Skip to main content

2,3,4-Trihydroxybenzaldehyde

Also known as: 2,3,4-Trihydroxybenzaldehyde, Pyrogallol-4-carboxaldehyde, PYROGALLOLALDEHYDE, PYROGALLOL-4-CARBOXALDEHYDE, 2,3,4-TrihydroxybenzaL, 2,3,4-Trihydroxybenazldehyde, Benzaldehyde, 2,3,4-trihydroxy-, NSC 22595, Protocataculaldehyde, 2,3,4-Trihydroxybenzaldehyde 98%, MFCD00003325

2,3,4-Trihydroxybenzaldehyde (CAS 2144-08-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6O4 and a molecular weight of 154.120 g/mol. Key properties include a melting point of 159-161 °C(lit.), a boiling point of 301.9±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 150.6±23.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2144-08-3
Jingsj CID
J-17046-8
Molecular Formula
C7H6O4
Molecular Weight
154.120 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point159-161 °C(lit.)
Boiling Point301.9±37.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point150.6±23.0 °C
Exact Mass154.026611
PSA77.76000
LogP1.25
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.734

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2912499000
Summary2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,3,4-Trihydroxybenzaldehyde?

The CAS number of 2,3,4-Trihydroxybenzaldehyde is 2144-08-3.

What are the molecular formula and molecular weight of 2,3,4-Trihydroxybenzaldehyde?

2,3,4-Trihydroxybenzaldehyde has molecular formula C7H6O4 and molecular weight 154.120 g/mol.

Is 2,3,4-Trihydroxybenzaldehyde hazardous?

2,3,4-Trihydroxybenzaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,3,4-Trihydroxybenzaldehyde?

For 2,3,4-Trihydroxybenzaldehyde, Downstream Products: Licochalcone B, 2,3,4-Trimethoxybenzaldehyde, 2-hydroxy-3,4-dimethoxybenzaldehyde.

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

Last updated:

How to cite: Jingsj. "2,3,4-Trihydroxybenzaldehyde (CAS 2144-08-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17046-8 (accessed 2026-11-07).

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