Phosphorus sesquisulfide
三硫化四磷
Also known as: Tetraphosphorus trisulfide, 3,5,7-trithia-1,2,4,6-tetraphosphatricyclo[2.2.1.02,6]heptane, P4-S3, PHOSPHORUS SULFIDE, Phosphorous sesquisulfide, Phosphorus(III) sulfide, Phosphorus sulfide (P4S3), Tetraphosphorus trisulphide, Trisulfurated phosphorus
Phosphorus sesquisulfide (CAS 1314-85-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H6P4S3 and a molecular weight of 226.13800 g/mol. It is also known as Tetraphosphorus trisulfide, 3,5,7-trithia-1,2,4,6-tetraphosphatricyclo[2.2.1.02,6]heptane and P4-S3. Key properties include a melting point of 172.5ºC, a boiling point of 407.5ºC and a density of 2.03. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1314-85-8
- Jingsj CID
- J-1418316-4
- Molecular Formula
- H6P4S3
- Chinese Name
- 三硫化四磷
- Molecular Weight
- 226.13800 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 172.5ºC |
|---|---|
| Boiling Point | 407.5ºC |
| Density | 2.03 |
Frequently Asked Questions
What is the CAS number of Phosphorus sesquisulfide?
The CAS number of Phosphorus sesquisulfide is 1314-85-8.
What are the molecular formula and molecular weight of Phosphorus sesquisulfide?
Phosphorus sesquisulfide has molecular formula H6P4S3 and molecular weight 226.13800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphorus sesquisulfide (CAS 1314-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1418316-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.