CompoundList
Sign in
Initiators, curing agents and crosslinkers

Cyclohexanone peroxide

Also known as Perhexa P, 1-Hydroperoxycyclohexyl 1-hydroxycyclohexyl peroxide, Cyclohexanone, peroxide

CAS 12262-58-7Formula C12H22O5Molar mass 246.30 g/molEC 201-091-1
GHS signal word: Danger. Pictograms: Explosive, Corrosive, Harmful or irritant 7 suppliers listed
Get quotes Compare 7 suppliers
Cyclohexanone peroxide chemical structure, C12H22O5, CAS 12262-58-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Grayish paste
Melting point
76 to 77
Density
1.05 at 68 °F - Denser than water, will sink
Flash point
157.2 °C
Solubility
OFF-WHITE THICK PASTE, INSOL IN WATER, SOL IN COMMON ORG SOLVENTS /PASTE WITH DIBUTYL PH…
HS code
290960
Category
Initiators, curing agents and crosslinkers
UN number
UN 3105
Illustrative photo, thick paste in an open plastic pail in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Cyclohexanone peroxide?

Plain description, key identifiers and synonyms

1-hydroxy-1'-hydroperoxy dicyclohexyl peroxide is an odorless thick white liquid. Sinks in water. (USCG, 1999)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol
CAS number
12262-58-7Other or deprecated CAS: 78-18-2
EC numbers
201-091-1, 235-527-7
Molecular formula
C12H22O5
UNII
3P1S15N7AV
InChIKey
UICXTANXZJJIBC-UHFFFAOYSA-N
InChI
InChI=1S/C12H22O5/c13-11(7-3-1-4-8-11)16-17-12(15-14)9-5-2-6-10-12/h13-14H,1-10H2
SMILES (canonical and isomeric)
C1CCC(CC1)(O)OOC2(CCCCC2)OO

Synonyms

  • Perhexa P
  • 1-Hydroperoxycyclohexyl 1-hydroxycyclohexyl peroxide
  • Cyclohexanone, peroxide
  • 1-Hydroperoxycyclohexyl-1-hydroxycyclohexyl peroxide
  • 1-Hydroxy-1'-hydroperoxydicyclohexyl peroxide
  • Cyclohexanol, 1-((1-hydroperoxycyclohexyl)dioxy)-
  • Peroxide, 1-hydroperoxycyclohexyl 1-hydroxycyclohexyl
  • Cyclohexanol, 1-[(1-hydroperoxycyclohexyl)dioxy]-
  • 4-07-00-00020 (Beilstein Handbook Reference)
  • Cycloneox LE
  • Cycloneox LNC
  • Cycloneox BT 50
  • Cycloneox LE 50
  • 1Hydroxy1`hydroperoxydicyclohexyl peroxide
  • 1-hydroxy-1-hydroperoxydicyclohexyl peroxide
  • Cyclohexanol, 1((1hydroperoxycyclohexyl)dioxy)
  • 1Hydroperoxycyclohexyl1hydroxycyclohexyl peroxide
  • 1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol
  • 1-((1-hydroperoxycyclohexyl)peroxy)cyclohexan-1-ol
  • 1-[(1-hydroperoxycyclohexyl)peroxy]cyclohexan-1-ol

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

Appearance
Grayish pasteexp.
Melting point
76 to 77exp.
Density
1.05 at 68 °F - Denser than water, will sinkexp.
Flash point
157.2 °Cexp.
Autoignition temperature
402.8 °Cexp.
Solubility
OFF-WHITE THICK PASTE, INSOL IN WATER, SOL IN COMMON ORG SOLVENTS /PASTE WITH DIBUTYL PHTHALATE/exp.

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
246.30 g/molcalc.
Exact mass
246.1467 Dacalc.
LogP (octanol/water)
2.74calc.
Topological polar surface area
68.15 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
4calc.
Heavy atoms
17calc.
Rings
2calc.
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.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCC(OOC2CCCCC2)CC1

C1CCC(OOC2CCCCC2)CC1

2 rings, 14 atoms, the Dicyclohexyl peroxide ring system.

10 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS01: Explosive
Explosive
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H240Heating may cause an explosion.
  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
Precautionary statements (24)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P234Keep only in original packaging.
  • P235Keep cool.
  • P240Ground and bond container and receiving equipment.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P363Wash contaminated clothing before reuse.
  • P370 + P372 + P380 + P373In case of fire: Explosion risk. Evacuate area. Do not fight fire when fire reaches explosives.
  • P403Store in a well-ventilated place.
  • P405Store locked up.
  • P410Protect from sunlight.
  • P411Store at temperatures not exceeding the specified limit.
  • P420Store separately.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3105

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

Full safety data and first aid

Cyclohexanone peroxide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 7 suppliers
7 of 7 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

7 suppliers in 5 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Cyclohexanone peroxide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

As a catalyst for hardening of certain fiberglass resins.

Principally as a free radical polymerization initiator.

Powerful oxidizer.

Industrial uses: Polymerization promoter.

Functional uses

  • Chemical reaction regulator
  • Hardener

How it is made

Controlled reaction of cyclohexanone and hydrogen peroxide

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 617-010-00-1[4]

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cyclohexanone 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 Cyclohexanone peroxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Cyclohexanone peroxide?

1-hydroxy-1'-hydroperoxy dicyclohexyl peroxide is an odorless thick white liquid. Sinks in water. (USCG, 1999)

What is the CAS number of Cyclohexanone peroxide?

The CAS registry number of Cyclohexanone peroxide is 12262-58-7. Other or deprecated CAS numbers: 78-18-2.

What is the molecular formula and weight of Cyclohexanone peroxide?

The molecular formula of Cyclohexanone peroxide is C12H22O5 and its molar mass is 246.30 g/mol.

What is Cyclohexanone peroxide used for?

As a catalyst for hardening of certain fiberglass resins. Principally as a free radical polymerization initiator. Powerful oxidizer. Industrial uses: Polymerization promoter.

Is Cyclohexanone peroxide hazardous?

Cyclohexanone peroxide carries the GHS signal word "Danger". Main hazards: heating may cause an explosion, harmful if swallowed, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyclohexanone peroxide?

Cyclohexanone 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 Cyclohexanone peroxide?

CompoundList lists 7 suppliers of Cyclohexanone peroxide in China, Japan, Turkey, Taiwan and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cyclohexanone peroxide?

Suppliers quote Cyclohexanone 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 Cyclohexanone peroxide

Get quotes for Cyclohexanone peroxide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Cyclohexanone peroxide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Cyclohexanone peroxide with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/cyclohexanone-peroxide-12262-58-7" title="Cyclohexanone peroxide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Initiators, curing agents and crosslinkers or HS code 290960

7 suppliers
Free quotes, contact stays private
Get quotes