General Information
Version
3
Revision date
2025-08-05
Product name
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
Product Synonyms
Trigonox 101 C16 H34 O4 290.44
CAS No.
78-63-7
Emergency telephone
+64 9 980 6780
Icons in SDS
Company Information
company name
Thermo Fisher Scientific New Zealand Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
ANZinfo@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H227, H242, H315
Hazard statements
Code
Statements
H227
Combustible liquid
H242
Heating may cause a fire
H315
Causes skin irritation
Section 2
SECTION 2: Hazards identification
Classified as hazardous in accordance with the criteria of EPA New Zealand Classification under Work Safe New Zealand Classified as hazardous in accordance with the criteria of EPA New Zealand GHS Classification
Physical hazards
Flammable liquids Category 4 Organic peroxides Type C
Health hazards
Skin Corrosion/Irritation Category 2
Environmental hazards
Based on available data, the classification criteria are not met
Signal word
Danger
Hazard statements
H242 - Heating may cause a fire H315 - Causes skin irritation H227 - Combustible liquid
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P220 - Keep away from clothing and other combustible materials P234 - Keep only in original packaging P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P312 - Call a POISON CENTER or doctor if you feel unwell P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P410 - Protect from sunlight P420 - Store separately
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other hazards which do not result in classification
This product does not contain any known or suspected endocrine disruptors
2.1 Classification of the substance or mixture
Physical hazards Flammable liquids Category 4 Organic peroxides Type C Health hazards Skin Corrosion/Irritation Category 2 Environmental hazards Based on available data, the classification criteria are not met