Summary of Classification and Labelling
Harmonised classification - Annex VI of Regulation (EC) No 1272/2008 (CLP Regulation)
General Information
Index Number EC / List no. CAS Number International Chemical Identification
617-021-00-1 429-320-2   methylethylketone peroxide trimer

ATP Inserted / Updated: ATP01
CLP Classification (Table 3)
Classification Labelling Specific Concentration limits, M-Factors, Acute Toxicity Estimates (ATE) Notes
Hazard Class and Category Code(s) Hazard Statement Code(s) Hazard Statement Code(s) Supplementary Hazard Statement Code(s) Pictograms, Signal Word Code(s)
Org. Perox. B **** H241 H241 GHS01
GHS08
GHS02
GHS07
Dgr
Skin Irrit. 2 H315 H315
Skin Sens. 1 H317 H317
Asp. Tox. 1 H304 H304

Signal Words Pictograms
Danger
GHS01
Exploding bomb
GHS08
Health hazard
GHS02
Flame
GHS07
Exclamation mark
Seveso III Data
Disclaimer: Please note that some of the substances covered by the Seveso Directive can belong to more than one Seveso categories. It will be up to the users to decide whether their substance or mixture fall in one or in more of these classification categories depending on the tonnage bands and the concentrations.
Please also note that ECHA is not an authority for the Seveso Directive and that the Seveso categorisation below is provided for information only. The Seveso III Directive (Directive 2012/18/EU repealing Directive 96/82/EC (Seveso II) from 1 June 2015) is the only authentic legal reference and that the information in this inventory does not constitute legal advice. For further information on Seveso, please ask your national authority.

Seveso Data
Seveso Substance Seveso Categories
Yes P6a
Notified classification and labelling
General Information
EC / List no.
Name CAS Number
429-320-2 methylethylketone peroxide trimer 24748-23-0

Notified classification and labelling according to CLP criteria
Classification Labelling Specific Concentration limits, M-Factors Notes Classification affected by Impurities / Additives

Additional Notified Information

Number of Notifiers

Joint Entries

Hazard Class and Category Code(s) Hazard Statement Code(s) Hazard Statement Code(s) Supplementary Hazard Statement Code(s) Pictograms, Signal Word Code(s)
Org. Perox. B H241 H241 GHS01
GHS08
GHS07
GHS02
Dgr
State/Form
8 yes View details
Asp. Tox. 1 H304 H304
Skin Irrit. 2 H315 H315
Skin Sens. 1B H317 H317
Org. Perox. B H241 H241 GHS01
GHS08
GHS07
GHS02
Dgr
100 View details
Asp. Tox. 1 H304 H304
Skin Irrit. 2 H315 H315
Skin Sens. 1 H317 H317

Number of Aggregated Notifications: 2