Skip to main content

3-Hydroxyanthranilic acid

Also known as: 2-Amino-3-hydroxybenzoic acid, 3-Hydroxy-2-aminobenzoic acid, 3-Hydroxyanthranilic acid, 2-amino-3-hydroxy-benzoicaci, 3-Hydroxy-2-aminobenzoate, 3-Hydroxy-anthranilsaeure, 3-OH-anthranilic acid, 3-Oxyanthranilic acid, Benzoic acid, 2-amino-3-hydroxy-

3-Hydroxyanthranilic acid (CAS 548-93-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3 and a molecular weight of 153.135 g/mol. Key properties include a melting point of 240 °C (dec.)(lit.), a boiling point of 356.9±37.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 169.6±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
548-93-6
Jingsj CID
J-40302-1
Molecular Formula
C7H7NO3
Molecular Weight
153.135 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point240 °C (dec.)(lit.)
Boiling Point356.9±37.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point169.6±26.5 °C
Exact Mass153.042587
PSA83.55000
LogP1.05
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.691
Storage Conditions-20ºC

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Lee WS, et al. The tryptophan metabolite 3-hydroxyanthranilic acid suppresses T cell responses by inhibiting dendritic cell activation. Int Immunopharmacol. 2013 Nov;17(3):721-6.

Customs & Trade Information

HS Code2922509090
Summary2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Hydroxyanthranilic acid?

The CAS number of 3-Hydroxyanthranilic acid is 548-93-6.

What are the molecular formula and molecular weight of 3-Hydroxyanthranilic acid?

3-Hydroxyanthranilic acid has molecular formula C7H7NO3 and molecular weight 153.135 g/mol.

Is 3-Hydroxyanthranilic acid hazardous?

3-Hydroxyanthranilic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 3-Hydroxyanthranilic acid?

For 3-Hydroxyanthranilic acid, Upstream Products: 3-Methoxy-2-nitrobenzoic acid, 2-Amino-3-methoxybenzoic acid, 3-Hydroxy-2-nitrobenzoic acid; Downstream Products: Benzo[d]oxazole-4-carboxylic acid, Nicotinic acid, 2,3-Pyridinedicarboxylic acid.

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-Hydroxyanthranilic acid (CAS 548-93-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40302-1 (accessed 2026-11-09).

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