C.I. Pigment Violet 38
C.I. Vat Violet 3
CAS: 2379-75-1
Molecular Formula: C20H14Cl2O2S2
C.I. Pigment Violet 38 - Names and Identifiers
| Name | C.I. Vat Violet 3 |
| Synonyms | Vat Voilet 3 C.I. Vat Violet 3 Vat Violet 3 (C.I.) C.I. Pigment Violet 38 Pigment Violet 38 (C.I.) 5,5-dichloro-4,4,7,7-tetramethyl-[2,2-bibenzo[b]thiophene]-3,3-dione (2Z)-5,5'-dichloro-4,4',7,7'-tetramethyl-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione |
| CAS | 2379-75-1 |
| EINECS | 219-164-1 |
| InChI | InChI=1/C20H14Cl2O2S2/c1-7-5-11(21)9(3)13-15(23)19(25-17(7)13)20-16(24)14-10(4)12(22)6-8(2)18(14)26-20/h5-6H,1-4H3/b20-19- |
C.I. Pigment Violet 38 - Physico-chemical Properties
| Molecular Formula | C20H14Cl2O2S2 |
| Molar Mass | 421.35996 |
| Density | 1.499g/cm3 |
| Boling Point | 551.8°C at 760 mmHg |
| Flash Point | 287.5°C |
| Vapor Presure | 3.19E-12mmHg at 25°C |
| Storage Condition | 2-8°C |
| Refractive Index | 1.719 |
| Physical and Chemical Properties | Chemical properties red purple powder. Insoluble in water, ethanol and organic solvents. It is dark green in concentrated sulfuric acid, and slightly red and purple after dilution. It is yellow in the alkaline solution of hydrosulfite and colorless in the acidic solution. |
| Use | The performance of reduced red purple RRN is similar to that of reduced red purple RH (C.I.73385), and it is a light brittle dye. Mainly used for cotton fiber dyeing and cotton printing, affinity and levelling are good. Used for dyeing silk, leveling and affinity are good. Also suitable for dyeing wool, nylon, vinylon. It can also be combined with bromoindigo and reduced brown RRD to dye black, and can also be combined with reduced pink R, orange RF, red GGN, etc. |
C.I. Pigment Violet 38 - Upstream Downstream Industry
C.I. Pigment Violet 38 - Nature
| EPA chemical information | Benzo[ B ]thiophen-3(2H)-one, 5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[ B ]thien-2(3H)-ylidene)-4,7-dimethyl- (2379-75-1) |
Last Update：2024-04-10 22:29:15
C.I. Pigment Violet 38 - Production method
Using 4-chloro-2, 5-xylthioglycolic acid as raw material, the product is obtained by closed loop and oxidation with chlorosulfonic acid.
Last Update：2024-04-10 22:29:15
Supplier List
Spot supply
Product Name: 5,5'-Dichloro-4,4',7,7'-tetramethyl-3H,3'H-[2,2'-bibenzo[b]thiophenylidene]-3,3'-dione Request for quotationCAS: 2379-75-1
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365
Wechat: 18916960931
Product Name: Vat Voilet 3 Visit Supplier Webpage Request for quotation
CAS: 2379-75-1
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
CAS: 2379-75-1
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Spot supply
Product Name: 5,5'-Dichloro-4,4',7,7'-tetramethyl-3H,3'H-[2,2'-bibenzo[b]thiophenylidene]-3,3'-dione Request for quotationCAS: 2379-75-1
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365
Wechat: 18916960931
Product Name: Vat Voilet 3 Visit Supplier Webpage Request for quotation
CAS: 2379-75-1
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
CAS: 2379-75-1
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
View History
Raw Materials for C.I. Pigment Violet 38
Downstream Products for C.I. Pigment Violet 38