1,4-Benzoquinone dioxime

CAS NO.：105-11-3
Empirical Formula: C6H6N2O2
Molecular Weight: 138.12
MDL number: MFCD00063636
EINECS: 203-271-5
SAFETY DATA SHEET (SDS)
Update Date: 2024-11-21 17:11:28

What is 1,4-Benzoquinone dioxime?

Chemical properties

pale yellow to brown crystals or powder

The Uses of 1,4-Benzoquinone dioxime

p-Benzoquinone dioxime was used in oxidative regeneration of a variety of carbonyl compounds from their oximes using superoxide ion generated in situ by the phase transfer reaction between potassium superoxide and 18-crown-6.

Definition

ChEBI: Para-Benzoquinone dioxime is a quinone imine.

General Description

Pale yellow crystals or brown powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

1,4-Benzoquinone dioxime is incompatible with strong oxidizers and strong acids.

Fire Hazard

Flash point data for 1,4-Benzoquinone dioxime are not available; however, 1,4-Benzoquinone dioxime is probably combustible.

Flammability and Explosibility

Flammable

Biochem/physiol Actions

p-Benzoquinone dioxime is sex-specific rat carcinogen inducing tumours of the urinary bladder in female rats and is a direct-acting mutagen in Salmonella typhimurium TA982.

Safety Profile

Moderately toxic by ingestion. Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx,.

Properties of 1,4-Benzoquinone dioxime

Melting point:	243 °C (dec.)(lit.)
Boiling point:	253.51°C (rough estimate)
Density	1,49 g/cm³
vapor pressure	0Pa at 25℃
refractive index	1.5100 (estimate)
Flash point:	°C
storage temp.	Sealed in dry,Room Temperature
solubility	dioxane: soluble0.1g/10 mL, clear
form	Solid
pka	9.12±0.20(Predicted)
color	White
Water Solubility	<0.01 g/100 mL at 22.5 ºC
BRN	2043234
Stability:	Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference	105-11-3(CAS DataBase Reference)
IARC	3 (Vol. 29, Sup 7, 71) 1999
NIST Chemistry Reference	2,5-Cyclohexadiene-1,4-dione, dioxime(105-11-3)
EPA Substance Registry System	p-Quinone dioxime (105-11-3)

Safety information for 1,4-Benzoquinone dioxime

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Health Hazard GHS08
GHS Hazard Statements	H302:Acute toxicity,oral H341:Germ cell mutagenicity H351:Carcinogenicity
Precautionary Statement Codes	P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. P501:Dispose of contents/container to..…