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Vat Violet 3 (C.I.)

C.I. Vat Violet 3

CAS: 2379-75-1

Molecular Formula: C20H14Cl2O2S2

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Vat Violet 3 (C.I.) - 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-

Vat Violet 3 (C.I.) - Physico-chemical Properties

Molecular FormulaC20H14Cl2O2S2
Molar Mass421.35996
Density1.499g/cm3
Boling Point551.8°C at 760 mmHg
Flash Point287.5°C
Vapor Presure3.19E-12mmHg at 25°C
Storage Condition2-8°C
Refractive Index1.719
Physical and Chemical PropertiesChemical 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.
UseThe 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.

Vat Violet 3 (C.I.) - Upstream Downstream Industry

Raw MaterialsXylene
Mercaptoacetic acid
[(4-chloro-2,5-dimethylphenyl)thio]acetic acid
Downstream Products5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt

Vat Violet 3 (C.I.) - 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

Vat Violet 3 (C.I.) - 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
Vat Violet 3 (C.I.)
Supplier List
Shanghai Amole Biotechnology Co., Ltd.
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 quotation
CAS: 2379-75-1
Tel: 400-968-2212
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Shanghai Yuanye Bio-Technology Co., Ltd.
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 Click to send a QQ message
Shanghai Amole Biotechnology Co., Ltd.
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 quotation
CAS: 2379-75-1
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365 Click to send a QQ message
Wechat: 18916960931
Shanghai Yuanye Bio-Technology Co., Ltd.
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 Click to send a QQ message
View History
Vat Violet 3 (C.I.)
玻璃纤维
C.I. 12055
DOW CORNING(R) OE 8002
硫黄
CCRIS 9203
Raw Materials for Vat Violet 3 (C.I.)
Xylene
Mercaptoacetic acid
[(4-chloro-2,5-dimethylphenyl)thio]acetic acid
Downstream Products for Vat Violet 3 (C.I.)
5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt
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