| Identification | |
| Name: | 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione,6,7-dichloro- |
| Synonyms: | Naphthalicanhydride, 4,5-dichloro- (7CI,8CI);4,5-Dichloro-1,8-naphthalenedicarboxylicanhydride;4,5-Dichloronaphthalic anhydride; |
| CAS: | 7267-14-3 |
| Molecular Formula: | C12H4Cl2O3 |
| Molecular Weight: | 267.07 |
| 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) |
| Molecular Structure: |  |
| Properties | |
| Density: | 1.684g/cm3 |
| Refractive index: | 1.739 |
| Specification: |
The 4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride, with cas registry number 7267-14-3, belongs to the following product categories: Intermediates of Dyes and Pigments. It has the systematic name of 8-(8-carboxy-4,5-dichloro-naphthalene-1-carbonyl)oxycarbonyl-4,5-dichloro-naphthalene-1-carboxylic acid. Physical properties about this chemical are: (1)ACD/LogP: 7.12; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 2.98; (4)ACD/LogD (pH 7.4): 2.97; (5)ACD/BCF (pH 5.5): 11.11; (6)ACD/BCF (pH 7.4): 10.68; (7)ACD/KOC (pH 5.5): 13.05; (8)ACD/KOC (pH 7.4): 12.54; (9)#H bond acceptors: 7; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 117.97 Å2; (13)Index of Refraction: 1.739; (14)Molar Refractivity: 132.11 cm3; (15)Molar Volume: 327.8 cm3; (16)Polarizability: 52.37×10-24cm3; (17)Surface Tension: 76 dyne/cm; (18)Enthalpy of Vaporization: 126.96 kJ/mol; (19)Vapour Pressure: 1.86E-29 mmHg at 25°C. Uses of 4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride: it can be used to produce 4,5-dichloro-1,8-naphthalenebismethanol. This reaction will need reagent LiAlH4 and solvent diethyl ether, benzene. The reaction time is 35 hours. The yield is about 35.5 %. You can still convert the following datas into molecular structure: |
| Safety Data | |
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