1,4-Benzoquinone dioxime
[CAS# 105-11-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Oxime
• Name: 1,4-Benzoquinone dioxime
• Synonyms: p-Quinone dioxime; p-Benzoquinone dioxime
• Molecular Formula: C₆H₆N₂O₂
• Molecular Weight: 138.12
• CAS Registry Number: 105-11-3
• EC Number: 203-271-5

Properties

• Melting point: 243 ºC
• Water solubility: <0.01 g/100 mL at 22.5 ºC

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R40
• Safety Description: S36/37;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Carcinogenicity	Carc.	2	H351
Germ cell mutagenicity	Muta.	2	H341
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin sensitization	Skin Sens.	1A	H317
Eye irritation	Eye Irrit.	2	H319
Flammable solids	Flam. Sol.	2	H228
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Explosives	Expl.	1.4	H204
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Flammable solids	Flam. Sol.	1	H228
Serious eye damage	Eye Dam.	1	H318
Self-reactive substances or mixtures	Self-react.	D	H242