4-Hydroxy-2-naphthalenecarboxylic acid
[CAS# 1573-91-7]

Identification

• Classification: Organic raw materials >> Aryl compounds >> Naphthalenes
• Name: 4-Hydroxy-2-naphthalenecarboxylic acid
• Synonyms: 1-Hydroxy-3-naphthoic acid; 4-Hydroxy-2-naphthoic acid
• Molecular Formula: C₁₁H₈O₃
• Molecular Weight: 188.18
• CAS Registry Number: 1573-91-7
• EC Number: 886-652-4

Properties

• Solubility: Very slightly soluble (0.43 g/L) (25 ºC), Calc.^*
• Density: 1.399±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 225-226 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Cason, James; Journal of the American Chemical Society 1941, V63, P828-32.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315