Note: Ingredients listed on restricted chemical lists
EC/CAS
63148-62-9
Name of the chemical
polydimethylsiloxane (Mw > 6 800 Da)
Concentration
48 - 50
General Information
Version
2.2
Revision date
2026-02-09
Product name
2,4-DICHLOROBENZOYL PEROXIDE, 50% in polydimethylsiloxane
Product Synonyms
PEROXIDE CURING AGENT; 2,4,2",4"-TETRACHLOROBENZOYL PEROXIDE; BIS(2,4- PEROXIDE CURING AGENT; 2,4,2",4"-TETRACHLOROBENZOYL PEROXIDE; BIS(2,4-DICHLOROBENZOYL) PEROXIDE
Chemical name
PEROXIDE
supplier name
GELEST, INC
Emergency telephone
1-800-424-9300, +1 703-527-3887
Icons in SDS
Company Information
company name
GELEST, INC
e-mail address of the competent person responsible for the Safety Data Sheet
CS-Gelest@m-chem.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H242, H315, H319, H335
Hazard statements
Code
Statements
H242
Heating may cause a fire
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture GHS US classification Organic peroxide, Type D H242 Heating may cause a fire. Skin corrosion/irritation, Category 2 H315 Causes skin irritation. Serious eye damage/eye irritation, Category 2A H319 Causes serious eye irritation. Specific target organ toxicity – Single exposure, H335 May cause respiratory irritation. Category 3, Respiratory tract irritation Full text of H statements : see section 16
2.2 Label elements
GHS US labeling
Signal word
Danger
Hazard statements
H242 - Heating may cause a fire H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation
Precautionary statements
P210 - Keep away from heat, open flames, sparks. - No smoking. P220 - Keep/Store away from flammable or combustible materials, oxidizer P234 - Keep only in original packaging. P261 - Avoid breathing mist, dust. P264 - Wash hands thoroughly after handling. P271 - Use only outdoors or in a well-ventilated area. P280 - Wear protective gloves, protective clothing, eye protection, face protection, and hearing protection. 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 doctor if you feel unwell. P321 - Specific treatment (see first aid instructions on this label). P332+P313 - If skin irritation occurs: Get medical advice or attention. P337+P313 - If eye irritation persists: Get medical advice or attention. P362+P364 - Take off contaminated clothing and wash it before reuse. P403+P233 - Store in a well-ventilated place. Keep container tightly closed. P405 - Store locked up. P410 - Protect from sunlight. P411+P235 - Store at temperatures not exceeding 30°C (86°F). Keep cool. P420 - Store separately. P501 - Dispose of licensed waste disposal facility. to hazardous or special waste collection point, in accordance with local, regional, national and/or international regulations.
2.3 Other hazards
No additional information available
Ingredient(s) with unknown acute toxicity
Not applicable
2.1 Classification of the substance or mixture
GHS US classification Organic peroxide, Type D H242 Heating may cause a fire. Skin corrosion/irritation, Category 2 H315 Causes skin irritation. Serious eye damage/eye irritation, Category 2A H319 Causes serious eye irritation. Specific target organ toxicity – Single exposure, H335 May cause respiratory irritation. Category 3, Respiratory tract irritation Full text of H statements : see section 16