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3-Hydroxy-4-iodobenzoic acid

Also known as: Benzoic acid, 3-hydroxy-4-iodo-, RARECHEM AL BE 0964, 4-IODO-3-HYDROXY BENZOIC ACID, 3-Hydroxy-4-Iodobenzoic, MFCD02068386

3-Hydroxy-4-iodobenzoic acid (CAS 58123-77-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5IO3 and a molecular weight of 264.017 g/mol. Key properties include a melting point of 227-229ºC, a boiling point of 319.8±32.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 147.2±25.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58123-77-6
Jingsj CID
J-1440355-5
Molecular Formula
C7H5IO3
Molecular Weight
264.017 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point227-229ºC
Boiling Point319.8±32.0 °C at 760 mmHg
Density2.2±0.1 g/cm3
Flash Point147.2±25.1 °C
Exact Mass263.928314
PSA57.53000
LogP2.76
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.712

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2918290000
SummaryHS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-4-iodobenzoic acid?

The CAS number of 3-Hydroxy-4-iodobenzoic acid is 58123-77-6.

What are the molecular formula and molecular weight of 3-Hydroxy-4-iodobenzoic acid?

3-Hydroxy-4-iodobenzoic acid has molecular formula C7H5IO3 and molecular weight 264.017 g/mol.

Is 3-Hydroxy-4-iodobenzoic acid hazardous?

3-Hydroxy-4-iodobenzoic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 3-Hydroxy-4-iodobenzoic acid?

For 3-Hydroxy-4-iodobenzoic acid, Upstream Products: 3-Hydroxybenzoic acid, 4-Amino-3-hydroxybenzoic acid, 3-Hydroxybenzaldehyde; Downstream Products: Ethyl 3-hydroxy-4-iodobenzoate, Methyl 4-iodo-3-methoxybenzoate, 5-(Hydroxymethyl)-2-iodophenol.

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

Last updated:

How to cite: Jingsj. "3-Hydroxy-4-iodobenzoic acid (CAS 58123-77-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440355-5 (accessed 2026-11-09).

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