Diethyl peroxide
过氧化二乙烷
Also known as: Ethyl peroxide, Peroxide, diethyl, 1,1'-Dioxydiethane, 1-(Ethylperoxy)ethane, Diaethyl-peroxid, ethylperoxyethane, (ethylperoxy)ethane
Diethyl peroxide (CAS 628-37-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H10O2 and a molecular weight of 90.12100 g/mol. It is also known as Ethyl peroxide, Peroxide, diethyl and 1,1'-Dioxydiethane. Key properties include a melting point of -70ºC, a boiling point of 65ºC (this has not beenºChecked - one might expect this material todecompose rather than boil), a density of 0.839g/cm3 and a flash point of 4.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 628-37-5
- Jingsj CID
- J-1522360-9
- Molecular Formula
- C4H10O2
- Chinese Name
- 过氧化二乙烷
- Molecular Weight
- 90.12100 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -70ºC |
|---|---|
| Boiling Point | 65ºC (this has not beenºChecked - one might expect this material todecompose rather than boil) |
| Density | 0.839g/cm3 |
| Flash Point | 4.7ºC |
Frequently Asked Questions
What is the CAS number of Diethyl peroxide?
The CAS number of Diethyl peroxide is 628-37-5.
What are the molecular formula and molecular weight of Diethyl peroxide?
Diethyl peroxide has molecular formula C4H10O2 and molecular weight 90.12100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl peroxide (CAS 628-37-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522360-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.