thioxanthene
Also known as: 10h-dibenzo(b,e)thiin, 9H-Dibenzo[b,e]thiin, 9H-Thioxanthene, 9H-thioxanthen, 9H-thioxanthene, Dibenzothiapyran, EINECS 205-972-1, THIOXANTHENE, Thiaxanthen, Thiaxanthene, Thioxanethene, Thioxanthen, Thioxanthene, Thioxanthine, dibenzothiopyran
thioxanthene (CAS 261-31-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H10S and a molecular weight of 198.28300 g/mol. Key properties include a melting point of 128-131ºC, a boiling point of 323ºC at 760mmHg, a density of 1.197g/cm3 and a flash point of 146.3ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H410 — Very toxic to aquatic life with long lasting effects. It is listed by 1 supplier, from 1,266.00 to 1,266.00 CNY per 1g. Record last updated Aug 21, 2026.
- CAS No.
- 261-31-4
- Jingsj CID
- J-1011454-6
- Molecular Formula
- C13H10S
- Molecular Weight
- 198.28300 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 1g | ¥1,266.00 | $189.45 /gBest ¥1,266.00/g CNY | CN China MOQ 1g |
Physicochemical Properties
| Melting Point | 128-131ºC |
|---|---|
| Boiling Point | 323ºC at 760mmHg |
| Density | 1.197g/cm3 |
| Flash Point | 146.3ºC |
| Exact Mass | 198.05000 |
| PSA | 25.30000 |
| LogP | 3.74200 |
| Appearance | Crystals and Needles | White |
| Vapor Pressure | 0.000508mmHg at 25°C |
| Refractive Index | 1.671 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of thioxanthene?
The CAS number of thioxanthene is 261-31-4.
What are the molecular formula and molecular weight of thioxanthene?
thioxanthene has molecular formula C13H10S and molecular weight 198.28300 g/mol.
Which suppliers offer thioxanthene?
1 supplier(s) listed; reference unit price ¥1266.00–1266.00 /g.
Is thioxanthene hazardous?
thioxanthene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of thioxanthene?
For thioxanthene, Upstream Products: Thioxanthen-9-one; Downstream Products: Thioxanthen-9-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "thioxanthene (CAS 261-31-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011454-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.