5-Amino-2-methoxybenzoic acid
Also known as: 2-methoxy-5-aminobenzoic acid, 5-amino-2-methoxybenzoic acid, Benzoic acid, 5-amino-2-methoxy-, 5-amino-2-methoxy-benzoic acid, 3-amino-6-methoxy-benzoic acid
5-Amino-2-methoxybenzoic acid (CAS 3403-47-2) 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 167.16200 g/mol. Key properties include a melting point of 165ºC, a boiling point of 369.903ºC at 760 mmHg, a density of 1.303g/cm3 and a flash point of 177.511ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3403-47-2
- Jingsj CID
- J-16678-9
- Molecular Formula
- C8H9NO3
- Molecular Weight
- 167.16200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 165ºC |
|---|---|
| Boiling Point | 369.903ºC at 760 mmHg |
| Density | 1.303g/cm3 |
| Flash Point | 177.511ºC |
| Exact Mass | 167.05800 |
| PSA | 72.55000 |
| LogP | 1.55680 |
| Refractive Index | 1.604 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. 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 5-Amino-2-methoxybenzoic acid?
The CAS number of 5-Amino-2-methoxybenzoic acid is 3403-47-2.
What are the molecular formula and molecular weight of 5-Amino-2-methoxybenzoic acid?
5-Amino-2-methoxybenzoic acid has molecular formula C8H9NO3 and molecular weight 167.16200 g/mol.
Is 5-Amino-2-methoxybenzoic acid hazardous?
5-Amino-2-methoxybenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 5-Amino-2-methoxybenzoic acid?
For 5-Amino-2-methoxybenzoic acid, Upstream Products: 2-methoxy-5-nitrobenzoic acid, 2-Methoxybenzoic acid; Downstream Products: 5-hydrazinyl-2-methoxybenzoic acid, 5-(5-(Ethoxycarbonyl)-3-methyl-1H-pyrazol-1-yl)-2-methoxybenzoic 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. "5-Amino-2-methoxybenzoic acid (CAS 3403-47-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16678-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.