Thioindigo (CAS 522-75-8) — formula C16H8O2S2, molecular weight 296.4; category dyes and pigments.
Thioindigo (CAS 522-75-8) is a chemical raw material in the dyes and pigments category. Its molecular formula C16H8O2S2 comprises 16 C, 8 H, 2 O, 2 S atoms. Its molecular weight is about 296.4. Reported physicochemical data: LogP about 4.1. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 522-75-8 |
|---|---|
| Molecular Formula | C16H8O2S2 |
| Molecular Weight | 296.4 |
| LogP | 4.1 |
| Category | Dyes & Pigments |
Thioindigo is a colorant or pigment compound with CAS registry number 522-75-8 and molecular formula C16H8O2S2 (molecular weight 296.4), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 522-75-8
Its molecular formula C16H8O2S2 comprises 16 C, 8 H, 2 O, 2 S atoms.
Also known as: Thioindigo · 硫靛
Category: dyes and pigments
The CAS registry number of Thioindigo is 522-75-8.
Molecular formula C16H8O2S2, molecular weight 296.4.
It is also registered under: Thioindigo, 硫靛.
Category: Dyes & Pigments.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Thioindigo (CAS 522-75-8), compiled from public chemistry databases.
| CAS Registry Number | 522-75-8 |
|---|---|
| PubChem CID | 68224 |
| Molecular formula | C16H8O2S2 |
| IUPAC name | 2-(3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one |
| UNII (FDA) | NS00020091 |
| Molecular Weight | 296.4 |
|---|---|
| XLogP3 | 4.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 295.99657184 |
| Monoisotopic Mass | 295.99657184 |
| Topological Polar Surface Area | 84.7 |
| Heavy Atom Count | 20 |
Isothioindigo; Helindon Red BB; Durindone Printing Red B; 3H,3'H-[2,2'-Bibenzo[b]thiophenylidene]-3,3'-dione; C16H8O2S2; Vat Red 41; C.I. 73300; AS-56241; T1489; 2-(3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one; C.I. Solvent Red 242; [.delta.2,2'(3H,3'H)-Bibenzo[b]thiophene]-3,3'-dione; SCHEMBL41632; DTXSID8060169; JOUDBUYBGJYFFP-UHFFFAOYSA-N; Vat Red 41; Fluorescent Red Dye
Thioindigo · CAS 522-75-8 · C16H8O2S2. UNII NS00020091.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 硫靛