Note: Ingredients listed on restricted chemical lists
EC/CAS
94-36-0
Name of the chemical
Dibenzoyl peroxide
Concentration
>= 65 - <= 85
General Information
Version
8.16
Revision date
2026-06-10
Product name
BENZOYL PEROXIDE (WITH 25% H2O) FOR
CAS No.
94-36-0
1.2.1 Relevant identified uses
Chemical for synthesis
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H242, H317, H319, H410
Hazard statements
Code
Statements
H242
Heating may cause a fire
Section 2
SECTION 2: Hazards identification
Long term hazards
Category 1 aquatic hazard
Other hazards
Explosive when dry
Signal word
Danger
Hazard statements
H242 Heating may cause a fire. H317 May cause an allergic skin reaction. H319 Causes serious eye irritation. H410 Very toxic to aquatic life with long lasting effects.
Prevention
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P234 Keep only in original packaging. P240 Ground and bond container and receiving equipment. P261 Avoid breathing dust. P264 Wash skin thoroughly after handling. P272 Contaminated work clothing must not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P302 + P352 IF ON SKIN: Wash with plenty of water. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention. P337 + P313 If eye irritation persists: Get medical advice/ attention. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P391 Collect spillage.
Storage
P403 + P235 Store in a well-ventilated place. Keep cool. P410 Protect from sunlight. P420 Store separately.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Organic peroxides : Type C Eye irritation : Category 2A Skin sensitisation : Sub-category 1A Short-term (acute) : Category 1 aquatic hazard Long-term (chronic) : Category 1 aquatic hazard Other hazards Explosive when dry.
