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2-Amino-5-methoxybenzoic acid

Also known as: 5-Methoxyanthranilic acid, 5-methoxy-anthranilic acid, 3-methoxy-6-aminobenzoic acid, 2-amino-5-methoxybenzoic acid, 5-methoxyanththranillic acid, 2-azanyl-5-methoxy-benzoic acid, Benzoic acid, 2-amino-5-methoxy-, MFCD00016509

2-Amino-5-methoxybenzoic acid (CAS 6705-03-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3 and a molecular weight of 167.162 g/mol. Key properties include a melting point of 148-152°C, a boiling point of 349.9±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 165.4±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6705-03-9
Jingsj CID
J-7032-6
Molecular Formula
C8H9NO3
Molecular Weight
167.162 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point148-152°C
Boiling Point349.9±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point165.4±23.7 °C
Exact Mass167.058243
PSA72.55000
LogP1.23
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.604

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation

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 2-Amino-5-methoxybenzoic acid?

The CAS number of 2-Amino-5-methoxybenzoic acid is 6705-03-9.

What are the molecular formula and molecular weight of 2-Amino-5-methoxybenzoic acid?

2-Amino-5-methoxybenzoic acid has molecular formula C8H9NO3 and molecular weight 167.162 g/mol.

Is 2-Amino-5-methoxybenzoic acid hazardous?

2-Amino-5-methoxybenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2-Amino-5-methoxybenzoic acid?

For 2-Amino-5-methoxybenzoic acid, Upstream Products: 5-Methoxy-2-nitrobenzoic acid, 5-Methoxyindole, 3-Methyl-4-nitrophenol; Downstream Products: 2-Iodo-5-methoxybenzoic acid, 6-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione, 1-(2-Amino-4-methoxyphenyl)ethan-1-one.

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-Amino-5-methoxybenzoic acid (CAS 6705-03-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7032-6 (accessed 2026-11-09).

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