3,5-Dihydroxy-2-naphthoic acid
[CAS# 89-35-0]

Identification

• Classification: Biochemical >> Amino acids and their derivatives >> Threonine derivative
• Name: 3,5-Dihydroxy-2-naphthoic acid
• Molecular Formula: C₁₁H₈O₄
• Molecular Weight: 204.18
• CAS Registry Number: 89-35-0
• EC Number: 201-900-8
• SMILES: C1=CC2=CC(=C(C=C2C(=C1)O)O)C(=O)O

Properties

• Solubility: 488 mg/L (25 °C water)
• Density: 1.5±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.762, Calc.^*
• Melting point: 170.33 °C
• Boiling Point: 409.50 °C, 442.2±35.0 °C (760 mmHg), Calc.^*
• Flash Point: 235.3±22.4 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS05;GHS07;GHS08 Danger
• Risk Statements: H315-H319-H335
• Safety Statements: P261-P305+P351+P338

Hazard Classification

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