![3H,3'H-[2,2'-Bibenzo[b]thiophenylidene]-3,3'-dione](https://img.chemicalbook.com/CAS/GIF/522-75-8.gif)
BD9510955
3H,3'H-[2,2'-Bibenzo[b]thiophenylidene]-3,3'-dione , 98% , 522-75-8
CAS NO.：522-75-8
Empirical Formula: C16H8O2S2
Molecular Weight: 296.36
MDL number: MFCD00191692
EINECS: 208-336-1
| Pack Size | Price | Stock | Quantity |
| 5g | RMB108.80 | In Stock |
|
| 25g | RMB324.00 | In Stock |
|
| 100g | RMB976.00 | In Stock |
|
| 500g | RMB3416.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 280°C(lit.) |
| Boiling point: | 407.96°C (rough estimate) |
| Density | 1.3686 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5341 (estimate) |
| form | powder to crystal |
| Colour Index | 73300 |
| color | Orange to Brown to Dark purple |
| Water Solubility | 1mg/L |
| LogP | 3.53 |
| CAS DataBase Reference | 522-75-8(CAS DataBase Reference) |
| EPA Substance Registry System | Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)- (522-75-8) |
Description and Uses
Thioindigo (cas# 522-75-8) is a useful research chemical. This compound is a dye that is used as an aqueous ink jet for producing recordings and in recyclable food trays.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H317-H319-H335 |
| Precautionary statements | P261-P280-P305+P351+P338 |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RTECS | DT4330000 |
| HS Code | 2934.99.4400 |
