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| CAS No.: | 12768-78-4 |
|---|---|
| Name: | ERIO GREEN B |
| Molecular Structure: | |
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| Formula: | C31H33N2NaO6S2 |
| Molecular Weight: | 616.72 |
| Synonyms: | Acid Green V;Acid Green V Naphthaline;Sodium 4-{[4-(diethylamino)phenyl][4-(diethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl}naphthalene-2,7-disulfonate;Borunil Green A-FG;CovaleneBrilliant Green G;Daiwa Green 70;Dinacid Green V;Duasyn Acid Green V;Dyacid Green B;Dycosacid Green VS;Erio Green B;Everlan GreenEV;Hispacid Brilliant Green SA 2G;Ichoacid Green V;Lecotan Green J;Libacid Green LV;Merantine Green V;Naphthalene Green V;Naphthalene Green Y;Pacid Green V;Ratna Acid Green V;SandolanBrilliant Green E-B;Simacid Acid Green; |
| EINECS: | 222-142-4 |
| Solubility: | Soluble in water and ethanol |
| Appearance: | Dark Green Powder |
| PSA: | 137.41000 |
| LogP: | 7.07700 |
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Consensus Reports
Specification
The Acid Green 16, with the CAS registry number 12768-78-4, is also known as Erio Green B. It belongs to the product category of Dyes and Pigments. This chemical's molecular formula is C31H33N2NaO6S2 and molecular weight is 616.72. What's more, its systematic name is sodium 4-{[4-(diethylamino)phenyl][4-(diethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl}naphthalene-2,7-disulfonate. It is a triarylmethane dye. It is used for printing and dyeing wool and silk.
Physical properties of Acid Green 16 are: (1)#H bond acceptors: 8; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 9; (4)Polar Surface Area: 131.75 Å2.
Preparation: 4, 4 '-di(dimethyl amino)-2-benzyl alcohol and 2, 7-naphthalene acid which are used as raw materials are condensaed, and then they are oxidated and neutralized. The finished product is prepared by salting-out, filtering, drying and being shattered.
You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[O-]S(=O)(=O)c1ccc2c(c1)cc(cc2/C(=C\3/C=C\C(=[N+](\CC)CC)/C=C/3)c4ccc(N(CC)CC)cc4)S([O-])(=O)=O
(2)Std. InChI: InChI=1S/C31H34N2O6S2.Na/c1-5-32(6-2)25-13-9-22(10-14-25)31(23-11-15-26(16-12-23)33(7-3)8-4)30-21-28(41(37,38)39)20-24-19-27(40(34,35)36)17-18-29(24)30;/h9-21H,5-8H2,1-4H3,(H-,34,35,36,37,38,39);/q;+1/p-1
(3)Std. InChIKey: UWGCNDBLFSEBDW-UHFFFAOYSA-M