Potassium (poly)sulfide
聚硫化钾
Also known as: Dipotassium sulfide, EINECS 253-525-4, Potassium sulfide, UNII:31R0R7HD0N, dipotassium sulphide
Potassium (poly)sulfide (CAS 37199-66-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula K2S and a molecular weight of 110.262 g/mol. It is also known as Dipotassium sulfide, EINECS 253-525-4 and Potassium sulfide. Key properties include a melting point of 200 °C and a flash point of >200 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37199-66-9
- Jingsj CID
- J-1550143-9
- Molecular Formula
- K2S
- Chinese Name
- 聚硫化钾
- Molecular Weight
- 110.262 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200 °C |
|---|---|
| Flash Point | >200 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Potassium (poly)sulfide?
The CAS number of Potassium (poly)sulfide is 37199-66-9.
What are the molecular formula and molecular weight of Potassium (poly)sulfide?
Potassium (poly)sulfide has molecular formula K2S and molecular weight 110.262 g/mol.
Is Potassium (poly)sulfide hazardous?
Potassium (poly)sulfide has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium (poly)sulfide (CAS 37199-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1550143-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.