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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 13440887Generated: October 26, 2026

8-Aminonaphthalene-2-carboxylic acid

8-Amino-2-naphthoic acid · 2-Naphthalenecarboxylic acid, 8-amino-

https://huagongshe.com/en/chemical/13440887

8-Aminonaphthalene-2-carboxylic acid molecular structure

Identifiers & Physical Properties

CAS No.5043-19-6
Molecular formulaC11H9NO2
Average molar mass187.19 g/mol
Monoisotopic mass187.06332853 g/mol
SMILESNc1cccc2ccc(C(=O)O)cc12
InChIKeyPBWULNOSRHQTHZ-UHFFFAOYSA-N
PubChem CID13440887
EC No.895-223-0
DTXSIDDTXSID90540925

Chemical & Physical Properties

XLogP2.1
Topological polar surface area63.3
Hydrogen bond donors2
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms14
Formal charge0
Complexity229

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)Skin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)