5,6-Dichloro-2-benzofuran-1,3-dione
[CAS# 942-06-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Aromatic acid
• Name: 5,6-Dichloro-2-benzofuran-1,3-dione
• Synonyms: 5,6-Dichloro-1,3-isobenzofurandione; 4,5-Dichlorophthalic anhydride
• Molecular Formula: C₈H₂Cl₂O₃
• Molecular Weight: 217.01
• CAS Registry Number: 942-06-3
• EC Number: 213-386-2

Properties

• Solubility: Very slightly soluble (0.18 g/L) (25 °C), Calc.^*
• Density: 1.715±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 189-192 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Wroel, Jay E.

Safety Data

Hazard Classification

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