Phosphorus trisulfide
三硫化二磷
Also known as: Diphosphorus trisulfide, Diphosphorus trisulphide, Phosphorus sulfide (P2S3)
Phosphorus trisulfide (CAS 12165-69-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2P2S3 and a molecular weight of 160.15800 g/mol. It is also known as Diphosphorus trisulfide, Diphosphorus trisulphide and Phosphorus sulfide (P2S3). Key properties include a melting point of 290°C and a boiling point of 490°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 12165-69-4
- Jingsj CID
- J-1363342-2
- Molecular Formula
- H2P2S3
- Chinese Name
- 三硫化二磷
- Molecular Weight
- 160.15800 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 290°C |
|---|---|
| Boiling Point | 490°C |
Frequently Asked Questions
What is the CAS number of Phosphorus trisulfide?
The CAS number of Phosphorus trisulfide is 12165-69-4.
What are the molecular formula and molecular weight of Phosphorus trisulfide?
Phosphorus trisulfide has molecular formula H2P2S3 and molecular weight 160.15800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphorus trisulfide (CAS 12165-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363342-2 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.