C.I. 73300
Thioindigo
CAS: 522-75-8
Molecular Formula: C16H8O2S2
C.I. 73300 - 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+ |
C.I. 73300 - Physico-chemical Properties
| Molecular Formula | C16H8O2S2 |
| Molar Mass | 296.36 |
| Density | 1.544g/cm3 |
| Melting Point | 280°C(lit.) |
| Boling Point | 409.2°C at 760 mmHg |
| Flash Point | 177°C |
| Vapor Presure | 6.62E-07mmHg at 25°C |
| Appearance | Powder |
| Storage Condition | Room Temprature |
| Refractive Index | 1.797 |
| MDL | MFCD00191692 |
| Physical and Chemical Properties | Chemical 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. |
| Use | Uses 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. |
C.I. 73300 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
C.I. 73300 - Upstream Downstream Industry
| Downstream Products | 6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one |
C.I. 73300 - 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
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Product Name: Thioindigo Visit Supplier Webpage Request for quotationCAS: 522-75-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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Downstream Products for C.I. 73300