2,3-Dihydroxy-1,4-benzenedicarboxylic acid
[CAS# 19829-72-2]

Identification

• Name: 2,3-Dihydroxy-1,4-benzenedicarboxylic acid
• Synonyms: 2,3-Dihydroxy-p-benzenediacetic acid; 2,3-Dihydroxyterephthalic acid; NSC 38869
• Molecular Formula: C₈H₆O₆
• Molecular Weight: 198.13
• CAS Registry Number: 19829-72-2
• EC Number: 243-354-3

Properties

• Solubility: Slightly soluble (2.2 g/L) (25 ºC), Calc.^*
• Density: 1.779±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 309-310 ºC (ethanol ethyl ether )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Lei, Guang Dong; Chinese Chemical Letters 2005, V16(8), P1039-1042.

Safety Data

Hazard Classification

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