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Diethyl peroxide

Also known as Ethyl peroxide, Peroxide, diethyl, (ethylperoxy)ethane

CAS 628-37-5Formula C4H10O2Molar mass 90.12 g/molEC 211-041-0
Diethyl peroxide chemical structure, C4H10O2, CAS 628-37-5
2D chemical structure

Key facts

What buyers check first

CAS number
628-37-5
Formula
C4H10O2
Molar mass
90.12 g/mol
EC number
211-041-0
HS code
290960
Category
Initiators, curing agents and crosslinkers

What is Diethyl peroxide?

Plain description, key identifiers and synonyms

Diethyl peroxide is an organic peroxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethylperoxyethane
CAS number
628-37-5 CAS number cross-checked
EC number
211-041-0
Molecular formula
C4H10O2
UNII
Q327D55J19
InChIKey
RHMZKSWPMYAOAZ-UHFFFAOYSA-N
InChI
InChI=1S/C4H10O2/c1-3-5-6-4-2/h3-4H2,1-2H3
SMILES (canonical and isomeric)
CCOOCC

Synonyms

  • Ethyl peroxide
  • Peroxide, diethyl
  • (ethylperoxy)ethane
  • 1,1'-dioxydiethane
  • 1-(Ethylperoxy)ethane
  • ethylperoxyethane
  • 1-(Ethylperoxy)ethane #

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
90.12 g/molcalc.
Exact mass
90.0681 Dacalc.
LogP (octanol/water)
0.97calc.
Topological polar surface area
18.46 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Diethyl peroxide suppliers

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Diethyl peroxide price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Diethyl peroxide is traded under.

HS 2909.60Indicative HS code

Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides…

World exports in 2024
$498M
−0.2% vs 2023, imports $522M
2019 to 2024
Top exporters
  1. China46.5%
  2. Germany16.2%
  3. United States10.1%
Top importers
  1. United States11.4%
  2. Germany8.4%
  3. South Korea7.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Diethyl peroxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Diethyl peroxide, based on the data on this page

What is Diethyl peroxide?

Diethyl peroxide is an organic peroxide.

What is the CAS number of Diethyl peroxide?

The CAS registry number of Diethyl peroxide is 628-37-5.

What is the molecular formula and weight of Diethyl peroxide?

The molecular formula of Diethyl peroxide is C4H10O2 and its molar mass is 90.12 g/mol.

What is Diethyl peroxide used for?

Known uses and roles of Diethyl peroxide include initiators and catalysts in plastics and polymers and curing agents and crosslinkers in plastics and polymers.

Is Diethyl peroxide hazardous?

No GHS hazard classification for Diethyl peroxide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Diethyl peroxide?

Diethyl peroxide is usually classified under HS code 290960 (Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Diethyl peroxide?

Post a free request on CompoundList and suppliers of Diethyl peroxide will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Diethyl peroxide?

Suppliers quote Diethyl peroxide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Diethyl peroxide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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