Skip to main content

3-Amino-2-naphthoic acid

Also known as: 3-Amino-2-naphthoic acid, 3-Aminonaphthalene-2-carboxylic acid, 3-Aminoisonaphthoic acid, 2-Naphthalenecarboxylic acid, 3-amino-

3-Amino-2-naphthoic acid (CAS 5959-52-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H9NO2 and a molecular weight of 187.20 g/mol. Key properties include a melting point of 212-215 °C (dec.)(lit.), a boiling point of 383ºC, a density of 1.352 g/cm3 and a flash point of 186.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5959-52-4
Jingsj CID
J-814576-4
Molecular Formula
C11H9NO2
Molecular Weight
187.20 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point212-215 °C (dec.)(lit.)
Boiling Point383ºC
Density1.352 g/cm3
Flash Point186.6ºC
Exact Mass187.06300
PSA63.32000
LogP2.70140

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Amino-2-naphthoic acid?

The CAS number of 3-Amino-2-naphthoic acid is 5959-52-4.

What are the molecular formula and molecular weight of 3-Amino-2-naphthoic acid?

3-Amino-2-naphthoic acid has molecular formula C11H9NO2 and molecular weight 187.20 g/mol.

Is 3-Amino-2-naphthoic acid hazardous?

3-Amino-2-naphthoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 3-Amino-2-naphthoic acid?

For 3-Amino-2-naphthoic acid, Upstream Products: 3-Hydroxy-2-naphthoic acid, 2-Naphthylamine; Downstream Products: 3-methylnaphthalen-2-amine, 2,2'-Dinaphthylamine, 3-Hydroxy-2-naphthoic 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-Amino-2-naphthoic acid (CAS 5959-52-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-814576-4 (accessed 2026-11-09).

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