Note: Ingredients listed on restricted chemical lists
EC/CAS
110-05-4
Name of the chemical
Di-tert-butylperoxid (618/2012)
Concentration
<= 100
General Information
Version
2.2
Revision date
2025-08-20
Product name
DTBP S-500
Chemical name
Di-tert-butyl peroxide
CAS No.
110-05-4
1.2.1 Relevant identified uses
polymerisation initiators
Emergency telephone
+49 / 89 / 74422
Icons in SDS
Company Information
company name
United Initiators GmbH
e-mail address of the competent person responsible for the Safety Data Sheet
contact@united-in.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H242, H341, H412
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Classification of the hazardous chemical Flammable liquids Category 2 Organic peroxides Type E Germ cell mutagenicity Category 2 Hazardous to the aquatic Category 3 environment - chronic hazard
Signal word
Danger
Hazard statements
H225 Highly flammable liquid and vapour. H242 Heating may cause a fire. H341 Suspected of causing genetic defects. H412 Harmful to aquatic life with long lasting effects.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P220 Keep/ Store away from clothing/ combustible materials. P233 Keep container tightly closed. P234 Keep only in original container. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ ventilating/ lighting equip- ment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P273 Avoid release to the environment. P280 Wear protective gloves/ eye protection/ face protection. P281 Use personal protective equipment as required.
Response
P303 + P361 + P353 IF ON SKIN (or hair): Remove/ Take off immediately all contaminated clothing. Rinse skin with water/ shower. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P370 + P378 In case of fire: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide for extinction.
Storage
P405 Store locked up. P410 Protect from sunlight. P411 + P235 Store at temperatures not exceeding < 40 °C/ < 104 °F. Keep cool. P420 Store away from other materials.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known. SECTION 3: Composition and information of the ingredients of the hazardous chemical
2.1 Classification of the substance or mixture
Flammable liquids : Category 2 Organic peroxides : Type E Germ cell mutagenicity : Category 2 Hazardous to the aquatic : Category 3 environment - chronic hazard
