2,3-DI-METHYL-1,4-BENZOQUINONE - Names and Identifiers
Name | 2,3-dimethyl-2,5-cyclohexadiene-1,4 dione
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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
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CAS | 526-86-3
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2,3-DI-METHYL-1,4-BENZOQUINONE - Physico-chemical Properties
Molecular Formula | C8H8O2
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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) |
2,3-DI-METHYL-1,4-BENZOQUINONE - Upstream Downstream Industry
2,3-DI-METHYL-1,4-BENZOQUINONE - 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