4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride
4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride
CAS: 7267-14-3
Molecular Formula: C12H4Cl2O3
4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride - Names and Identifiers
| Name | 4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride |
| Synonyms | 4,5-Dichloronaphthalic anhydride 4,5-Dichloro-1,8-Naphthalic Anhydride 6,7-Dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione 4,5-dichloronaphthalene-1,8-dicarbixylicanhydride 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione,6,7-dichloro- 4,5-Dichloro-1,8-naphthalenedicarboxylic anhydride 4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride 4,5-dichloronaphthalene-1,8-dicarboxylic anhydride 4,5-Dichloronaphthalene-1,8-dicarboxylic acid anhydride |
| CAS | 7267-14-3 |
| InChI | InChI=1/C24H10Cl4O7/c25-13-5-1-9(21(29)30)17-11(3-7-15(27)19(13)17)23(33)35-24(34)12-4-8-16(28)20-14(26)6-2-10(18(12)20)22(31)32/h1-8H,(H,29,30)(H,31,32) |
4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride - Physico-chemical Properties
| Molecular Formula | C12H4Cl2O3 |
| Molar Mass | 267.06 |
| Refractive Index | 1.739 |
| Physical and Chemical Properties | White or gray-white loose crystalline powder, melting point above 320 ℃. Insoluble in water and dilute acid, soluble in dilute alkali and potassium salt, soluble in concentrated nitric acid, chlorobenzene, insoluble in chloroform, ethanol, benzene. |
4,5-Dichloronaphthalene-1,8-Dicarboxylic Anhydride - Reference Information
| Use | for the production of dye fluorescent red. |
| production method | is obtained by the oxidation reaction of 4, 5-dichlorostilbene with glacial acetic acid in the presence of sodium dichromate. Raw material consumption quota: dichloromethane 1300kg/t, glacial acetic acid 12000kg/t, sodium dichromate 6500kg/t. |
Last Update：2024-04-10 22:29:15
