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Cyclohexanone peroxide safety data

GHS hazards, precautions, first aid, handling and transport for Cyclohexanone peroxide. A classification summary, not a safety data sheet.
CAS 12262-58-7Formula C12H22O5

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

GHS classification

Pictograms, signal word and hazard classes of the GHS classification

GHS01: Explosive
Explosive
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
Signal word
Danger

Hazard classes and categories

  • Self-react. A / Org. Perox. A
  • Acute Tox. 4 (oral)
  • Skin Corr. 1

Hazard statements

H codes grouped by type. Percentages show the share of classification notifications that report the statement

Physical hazards

  • H240Heating may cause an explosion.

Health hazards

  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.

Precautionary statements

P codes for prevention, response, storage and disposal

Prevention

  • 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.

Response

  • 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.

Storage

  • P403Store in a well-ventilated place.
  • P405Store locked up.
  • P410Protect from sunlight.
  • P411Store at temperatures not exceeding the specified limit.
  • P420Store separately.

Disposal

  • P501Dispose of contents and container in accordance with local regulations.

First aid

General first aid measures. Get medical advice if you feel unwell

Skin contact
Wipe off and wash with soap and water, get medical attention if irritation occurs.
Eye contact
Flush with water for at least 15 min., get medical attention.
If swallowed
Induce vomiting, get medical attention.

Handling, storage and disposal

Summaries only, follow the supplier SDS for your grade

Safe handling

...STRONGLY RECOMMENDED THAT WORKMEN WEAR SAFETY GOGGLES, AN APRON, & RUBBER BOOTS. /ORG PEROXIDES/ RECOMMENDED...RESPIRATOR TO AVOID INHALATION OF EXTENSIVE AMT...IN VAPOR FORM... /ORG PEROXIDES/

Storage

...SHOULD BE STORED IN COOL, VENTILATED, ISOLATED AREA AWAY FROM ORG OR OTHER EASILY OXIDIZABLE MATERIALS &...ACUTE FIRE HAZARDS. CONTAINERS SHOULD BE KEPT CLOSED & CLEARLY LABELED. /PEROXIDES, ORG/ BECAUSE OF THEIR INSTABILITY, MANY PEROXIDES ARE STORED & HANDLED IN AN INERT VEHICLE SUCH AS DIMETHYLPHTHALATE.... STORAGE TEMP SHOULD NOT EXCEED 30 °C. /PEROXIDES, ORG/

Exposure limits and toxicity

Occupational exposure limits and toxicity data

Fire may produce irritating, corrosive and/or toxic gases. Ingestion or contact (skin, eyes) with substance may cause severe injury or burns. Runoff from fire control or dilution water may cause environmental contamination.

Transport information

UN dangerous goods classification for road, sea and air

UN number
UN 3105

Shipping rules depend on mode, quantity and packaging. Confirm the classification with the supplier SDS and your freight forwarder.

Supplier safety data sheets

SDS documents uploaded by suppliers who list this chemical

No supplier has uploaded an SDS for Cyclohexanone peroxide yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling Cyclohexanone peroxide safely

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.

Which GHS pictograms apply to Cyclohexanone peroxide?

The GHS classification of Cyclohexanone peroxide shows 3 pictograms: GHS01 (explosive), GHS05 (corrosive), GHS07 (harmful or irritant).

What is the UN number of Cyclohexanone peroxide?

Cyclohexanone peroxide is transported under UN 3105. Check the supplier SDS and the current ADR, IMDG or IATA rules before shipping.

How should Cyclohexanone peroxide be stored?

...SHOULD BE STORED IN COOL, VENTILATED, ISOLATED AREA AWAY FROM ORG OR OTHER EASILY OXIDIZABLE MATERIALS &...ACUTE FIRE HAZARDS. CONTAINERS SHOULD BE KEPT CLOSED & CLEARLY LABELED. /PEROXIDES, ORG/ BECAUSE OF THEIR INSTABILITY, MANY PEROXIDES ARE STORED & HANDLED IN AN INERT VEHICLE SUCH AS DIMETHYLPHTHALATE.... STORAGE TEMP SHOULD NOT EXCEED 30 °C. /PEROXIDES, ORG/

Where can I get the SDS for Cyclohexanone peroxide?

Ask the supplier for the safety data sheet of the exact grade you buy. Suppliers on CompoundList can attach their SDS to listings and send it with a quote. This page is a GHS classification summary, not an SDS.

GHS classification summary, not an SDS. Always check the supplier's SDS. Last updated 7 Oct 2026. Report an error

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