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Initiators, curing agents and crosslinkers

2-Phenylethylhydroperoxide

Also known as 2-Pehp, 2-phenylethane-1-peroxol, phenylethyl hydroperoxide

CAS 4794-16-5Formula C8H10O2Molar mass 138.17 g/mol
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2-Phenylethylhydroperoxide chemical structure, C8H10O2, CAS 4794-16-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4794-16-5
Formula
C8H10O2
Molar mass
138.17 g/mol
HS code
290960
Category
Initiators, curing agents and crosslinkers

What is 2-Phenylethylhydroperoxide?

Plain description, key identifiers and synonyms

2-Phenylethylhydroperoxide is a chemical substance with the molecular formula C8H10O2 and a molar mass of 138.17 g/mol. Its CAS registry number is 4794-16-5. The IUPAC name is 2-hydroperoxyethylbenzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroperoxyethylbenzene
CAS number
4794-16-5 CAS number cross-checked
Molecular formula
C8H10O2
InChIKey
VZQOBPXGQJXYGY-UHFFFAOYSA-N
InChI
InChI=1S/C8H10O2/c9-10-7-6-8-4-2-1-3-5-8/h1-5,9H,6-7H2
SMILES (canonical and isomeric)
C1=CC=C(C=C1)CCOO

Synonyms

  • 2-Pehp
  • 2-phenylethane-1-peroxol
  • phenylethyl hydroperoxide
  • Hydroperoxide, 2-phenylethyl

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
138.17 g/molcalc.
Exact mass
138.0681 Dacalc.
LogP (octanol/water)
1.72calc.
Topological polar surface area
29.46 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

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.

2-Phenylethylhydroperoxide suppliers

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2-Phenylethylhydroperoxide price

Indicative price range per kg from live supplier offers

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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 2-Phenylethylhydroperoxide 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 2-Phenylethylhydroperoxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Phenylethylhydroperoxide, based on the data on this page

What is 2-Phenylethylhydroperoxide?

2-Phenylethylhydroperoxide is a chemical substance with the molecular formula C8H10O2 and a molar mass of 138.17 g/mol. Its CAS registry number is 4794-16-5. The IUPAC name is 2-hydroperoxyethylbenzene.

What is the CAS number of 2-Phenylethylhydroperoxide?

The CAS registry number of 2-Phenylethylhydroperoxide is 4794-16-5.

What is the molecular formula and weight of 2-Phenylethylhydroperoxide?

The molecular formula of 2-Phenylethylhydroperoxide is C8H10O2 and its molar mass is 138.17 g/mol.

What is 2-Phenylethylhydroperoxide used for?

Known uses and roles of 2-Phenylethylhydroperoxide include initiators and catalysts in plastics and polymers and curing agents and crosslinkers in plastics and polymers.

Is 2-Phenylethylhydroperoxide hazardous?

No GHS hazard classification for 2-Phenylethylhydroperoxide 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 2-Phenylethylhydroperoxide?

2-Phenylethylhydroperoxide 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 2-Phenylethylhydroperoxide?

Post a free request on CompoundList and suppliers of 2-Phenylethylhydroperoxide will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Phenylethylhydroperoxide?

Suppliers quote 2-Phenylethylhydroperoxide 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 2-Phenylethylhydroperoxide

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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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