sodium persulfate
过硫酸钠
Also known as: sodium peroxodisulfate, sodium peroxydisulfate, sodium persulphate, disodium sulfonatooxy sulfate, peroxydisulfuric acid disodium salt
sodium persulfate (CAS 7775-27-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Na2O8S2 and a molecular weight of 238.105 g/mol. It is also known as sodium peroxodisulfate, sodium peroxydisulfate and sodium persulphate. Key properties include a melting point of 100ºC, a density of 2.4 g/cm3 and a flash point of 180ºC. It is classified under GHS with signal word Danger and hazard statements H272, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7775-27-1
- Jingsj CID
- J-926960-2
- Molecular Formula
- Na2O8S2
- Chinese Name
- 过硫酸钠
- Molecular Weight
- 238.105 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 100ºC |
|---|---|
| Density | 2.4 g/cm3 |
| Flash Point | 180ºC |
| Exact Mass | 237.882996 |
| PSA | 149.62000 |
| LogP | 0.01660 |
| Additional Property | H2O: 1 M at 20 °C, clear, colorless | 550 g/L (20 ºC) |
GHS Safety & Compliance
- H272
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2833400000 |
|---|
Frequently Asked Questions
What is the CAS number of sodium persulfate?
The CAS number of sodium persulfate is 7775-27-1.
What are the molecular formula and molecular weight of sodium persulfate?
sodium persulfate has molecular formula Na2O8S2 and molecular weight 238.105 g/mol.
Is sodium persulfate hazardous?
sodium persulfate has GHS signal word Danger and hazard statements H272; H302 — Harmful if swallowed; H315 — Causes skin irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "sodium persulfate (CAS 7775-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-926960-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.