4,7-Dichloro-1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
[CAS# 81742-10-1]

Identification

• Name: 4,7-Dichloro-1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
• Synonyms: 2,5-Dichlorotrimellitic anhydride; 3,6-Dichlorotrimellitic anhydride
• Molecular Formula: C₉H₂Cl₂O₅
• Molecular Weight: 261.02
• CAS Registry Number: 81742-10-1
• EC Number: 862-993-4

Properties

• Solubility: Very slightly soluble (0.11 g/L) (25 °C), Calc.^*
• Density: 1.877±0.06 g/cm³ (20 °C 760 Torr), Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

Safety Data

Hazard Classification

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