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Thioindigo

Thioindigo

CAS: 522-75-8

Molecular Formula: C16H8O2S2

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Thioindigo - Names and Identifiers

Name Thioindigo
Synonyms Vat Red 41
Thioindigo
C.I. 73300
C.I. Vat Red 41
C.I. Solvent Red 242
C.I. Disperse Red 364
(2Z)-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione
(2E)-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione
2-(3-Oxobenzo[b]thien-2(3H)-ylidene)-benzo[b]thiophene-3(2H)-one
CAS 522-75-8
EINECS 208-336-1
InChI InChI=1/C16H8O2S2/c17-13-9-5-1-3-7-11(9)19-15(13)16-14(18)10-6-2-4-8-12(10)20-16/h1-8H/b16-15+

Thioindigo - Physico-chemical Properties

Molecular FormulaC16H8O2S2
Molar Mass296.36
Density1.544g/cm3
Melting Point280°C(lit.)
Boling Point409.2°C at 760 mmHg
Flash Point177°C
Vapor Presure6.62E-07mmHg at 25°C
AppearancePowder
Storage ConditionRoom Temprature
Refractive Index1.797
MDLMFCD00191692
Physical and Chemical PropertiesChemical properties dark red powder. Insoluble in water, slightly soluble in ethanol, soluble in benzene, toluene, xylene, chlorobenzene, chloroform and DMF and other organic solvents. The fluorescent red solution in each solvent is bright blue green in concentrated sulfuric acid, and the fluorescent blue red fluffy precipitate is produced after dilution, which is red and yellow in alkaline sodium hydrosulfite solution and light yellow in acidic solution.
UseUses fluorescent red 5B is mainly used for coloring of various plastics, such as polystyrene, polycarbonate, ABS resin, acetate fiber and so on. It can also be used for the coloration of polyester fiber.

Thioindigo - Risk and Safety

Risk Codes36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.

Thioindigo - Upstream Downstream Industry

Downstream Products6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one

Thioindigo - Nature

color index 73300
EPA chemical information Benzo[ B ]thiophen-3(2H)-one, 2-(3-oxobenzo[ B ]thien-2(3H)-ylidene)- (522-75-8)
Last Update:2024-04-10 22:29:15
Thioindigo
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Shanghai Macklin Biochemical Co., Ltd
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Shanghai Macklin Biochemical Co., Ltd
Featured ProductsSpot supply
Product Name: Thioindigo Visit Supplier Webpage Request for quotation
CAS: 522-75-8
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328 Click to send a QQ message
WhatsApp: +86-18821248368
Shanghai Amole Biotechnology Co., Ltd.
Spot supply
Product Name: 3H,3'H-[2,2'-Bibenzo[b]thiophenylidene]-3,3'-dione Request for quotation
CAS: 522-75-8
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365 Click to send a QQ message
Wechat: 18916960931
SHANGHAI ACMEC BIOCHEMICAL TECHNOLOGY CO., LTD.
Spot supply
Product Name: Thioindigo Visit Supplier Webpage Request for quotation
CAS: 522-75-8
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
QQ: 2881950922 Click to send a QQ message
Wechat: 18621343501
WhatsApp: +86-18621343501
SKYRUN INDUSTRIAL CO.,LTD
Spot supply
Product Name: Benzobthiophen-3(2H)-one Visit Supplier Webpage Request for quotation
CAS: 522-75-8
Tel: +86 0571-86722205
Email: sales@chinaskyrun.com
Mobile: +8618958170122
QQ: 2531159185 Click to send a QQ messageSend QQ message
Wechat: chinaskyrun
Shanghai Yuanye Bio-Technology Co., Ltd.
Spot supply
Product Name: Thioindigo Visit Supplier Webpage Request for quotation
CAS: 522-75-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
View History
Thioindigo
63775-96-2
Downstream Products for Thioindigo
6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
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