p -enzoquinone dioxime

Structural formula
General
Surname	P-benzoquinone dioxime
other names	1,4-benzoquinone dioxime; para -benzoquinone dioxime;
Molecular formula	C 6 H 6 N 2 O 2
Brief description	gray solid
External identifiers / databases
ECHA InfoCard	100.002.974
PubChem	7737
Wikidata	Q27155923
properties
Molar mass	138.12 g mol −1
Physical state	firmly
density	1.490 g cm −3
Melting point	243 ° C (decomposition)
solubility	soluble in dioxane (10 g / l); soluble in water;
safety instructions
H and P phrases	H: 302-351
	P: 201-280-301 + 312-308 + 313-405-501
Toxicological data	464 mg kg −1 ( LD 50 , rat , oral ) ; 1420 mg kg −1 ( LD 50 , mouse , oral ) ;
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

p -Benzoquinone dioxime is a chemical compound belonging to the group of oximes .

Extraction and presentation

p -benzoquinone dioxime can be obtained by reaction of reaction between p -benzoquinone and an excess of hydroxylamine .

properties

p -Benzoquinone dioxime is a gray solid that is soluble in water .

use

p -Benzoquinone dioxime is used as a vulcanizing or crosslinking agent for rubber and in the oxidative regeneration of a variety of carbonyl compounds from their oximes using superoxide ions generated in situ by the phase transfer reaction between potassium superoxide and 18-crown-6 .

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g data sheet p-Benzoquinone dioxime, technical, ≥90% (TLC) from Sigma-Aldrich , accessed on January 2, 2019 ( PDF ).
↑ ^a ^b ^c ^d data sheet p-Benzoquinone dioxime, 95% from AlfaAesar, accessed on January 2, 2019 ( PDF )(JavaScript required) .
↑ ^a ^b David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 138 ( limited preview in Google Book search).
↑ ^a ^b Werner Baumann, Monika Ismeier: Kautschuk und Gummi data and facts on environmental protection . Springer-Verlag, 2013, ISBN 978-3-642-58916-4 , pp. 515 ( limited preview in Google Book search).
↑ Entry on p-benzoquinone dioxime in the Hazardous Substances Data Bank , accessed on January 2, 2019.
↑ Eberhard Breitmaier, Günther Jung: Organic Chemistry, 7th complete revision. u. exp. Edition 2012 Basics, classes of compounds, reactions, concepts, molecular structure, natural substances, synthesis planning, sustainability . Georg Thieme Verlag, 2014, ISBN 3-13-159987-1 , p. 363 ( limited preview in Google Book search).

[Sigma-1] ↑ ^a ^b ^c ^d ^e ^f ^g data sheet p-Benzoquinone dioxime, technical, ≥90% (TLC) from Sigma-Aldrich , accessed on January 2, 2019 ( PDF ).

[Alfa-2] ta sheet p-Benzoquinone dioxime, 95% from AlfaAesar, accessed on January 2, 2019 ( PDF )(JavaScript required) .

[David_R._Lide-3] David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 138 ( limited preview in Google Book search).

[Werner_Baumann,_Monika_Ismeier-4] Werner Baumann, Monika Ismeier: Kautschuk und Gummi data and facts on environmental protection . Springer-Verlag, 2013, ISBN 978-3-642-58916-4 , pp. 515 ( limited preview in Google Book search).

[HSDB-5] Entry on p-benzoquinone dioxime in the Hazardous Substances Data Bank , accessed on January 2, 2019.

[Eberhard_Breitmaier,_Günther_Jung-6] Eberhard Breitmaier, Günther Jung: Organic Chemistry, 7th complete revision. u. exp. Edition 2012 Basics, classes of compounds, reactions, concepts, molecular structure, natural substances, synthesis planning, sustainability . Georg Thieme Verlag, 2014, ISBN 3-13-159987-1 , p. 363 ( limited preview in Google Book search).