Trithiocyanuric acid
Also known as: 1,3,5-Triazine-2,4,6-trithiol, 2,4,6-Trimercapto-1,3,5-triazine, Trimercaptotriazine, THIOCYANURIC ACID, s-Triazine-2,4,6-trithiol, 1,3,5-Triazine-2,4,6(1H,3H,5H)-trithione, 2,4,6-Trimercapto-s-triazine, 1,3,5-Triazinane-2,4,6-trithione, TMTH3, 2,4,6-trimercapto-sym-triazine, 1,3,5-triazine-2,4,6-trimercaptan, 2,4,6-trimercaptotriazine, Cyanuric acid, trithio-
Trithiocyanuric acid (CAS 638-16-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H3N3S3 and a molecular weight of 177.271 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 242.5±23.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 100.5±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 638-16-4
- Jingsj CID
- J-18756-4
- Molecular Formula
- C3H3N3S3
- Molecular Weight
- 177.271 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 242.5±23.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 100.5±22.6 °C |
| Exact Mass | 176.948914 |
| PSA | 155.07000 |
| LogP | -0.39 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.903 |
Customs & Trade Information
| HS Code | 2933699090 |
|---|---|
| Summary | 2933699090 other compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Trithiocyanuric acid?
The CAS number of Trithiocyanuric acid is 638-16-4.
What are the molecular formula and molecular weight of Trithiocyanuric acid?
Trithiocyanuric acid has molecular formula C3H3N3S3 and molecular weight 177.271 g/mol.
What are the upstream and downstream products of Trithiocyanuric acid?
For Trithiocyanuric acid, Upstream Products: Cyanuric chloride; Downstream Products: Methanethiol, Carbonic acid, hydrogen sulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trithiocyanuric acid (CAS 638-16-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18756-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.