526-86-3

526-86-3 - Names and Identifiers

Name	2,3-dimethyl-2,5-cyclohexadiene-1,4 dione
Synonyms	NSC 402192 o-Xyloquinone 2,3-Dimethyl-p-quinone 2,3-Dimethylbenzoquinone 2,3-Dimethyl-p-benzoquinone 2,3-DI-METHYL-1,4-BENZOQUINONE 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione 2,3-dimethylcyclohexa-2,5-diene-1,4-dione
CAS	526-86-3

526-86-3 - Physico-chemical Properties

Molecular Formula	C8H8O2
Molar Mass	136.1479
Density	1.115
Melting Point	55-57℃
Boling Point	200℃
Flash Point	71℃
Solubility	Chloroform, DMSO (Slightly), Methanol (Slightly)
Appearance	Solid
Color	Yellow to Orange
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.5485 (estimate)

526-86-3 - Upstream Downstream Industry

Downstream Products

3,4-dihydro-2,7,8-trimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol
2,3,6,7-tetramethylnaphthalene

526-86-3 - Introduction

2,3-dimethyl-2,5-cyclohexadiene-1,4 dione is an organic compound with the chemical formula C9H10O2. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione is white crystal or crystalline powder.
-Solubility: It is almost insoluble in water, but can be dissolved in organic solvents such as ethanol, acetone and dimethylformamide.
-Melting point: Its melting point is about 230-232 ° C.

Use:
- 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione can be used as a starting material for some organic synthesis reactions. It is usually used as an oxidant, dye intermediate or flame retardant precursor in organic chemical reactions.
-It can also be used as a synthetic raw material for red and red-violet pigments.

Method:
- 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione is usually prepared by oxidation of toluene. First, toluene is reacted with a ketone peroxide to produce P-tolylketone. Then, P-toluenone undergoes hydroxy-aldehyde condensation, acid catalysis and oxidation to give 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione.

Safety Information:
- 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione has no obvious harm to the human body under normal use conditions. However, as a chemical substance, it is necessary to pay attention to the following safety matters:
-Avoid inhalation of dust or skin contact during use.
-Wear appropriate personal protective equipment, including gloves, goggles and a dust mask.
-In case of inadvertent inhalation or contact, wash the affected area immediately and seek medical help.
-Follow appropriate safety practices during storage and handling and comply with local codes and regulations.

Please note that this is only a general introduction, and the specific situation can be further studied and evaluated according to actual applications and needs.

Last Update：2024-04-10 22:29:15