2-Chloro-1,4-benzoquinone
[CAS# 695-99-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty ketone (including enol)
• Name: 2-Chloro-1,4-benzoquinone
• Synonyms: 2-Chloro-2,5-cyclohexadiene-1,4-dione; 2-Chloro-p-benzoquinone; 2-Chloroquinone; Chloro-1,4-benzoquinone; Chloro-p-benzoquinone; Chloroquinone; Monochloro-p-benzoquinone; Monochloroquinone; NSC 526777
• Molecular Formula: C₆H₃ClO₂
• Molecular Weight: 142.54
• CAS Registry Number: 695-99-8
• EC Number: 625-615-7

Properties

• Density: 1.40
• Boiling point: 210 ºC
• Flash point: 83 ºC

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S37/39

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
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332