dibenzoyl peroxide; benzoyl peroxide

CAS 94-36-0 C₁₄H₁₀O₄ MW 242.2000 Danger
Exploding Bomb Exploding Bomb
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Environment Environment
Emergency: 911 | Poison Control: 1-800-222-1222

Hazard Statements

CodeStatementHazard Class
H241 Heating may cause a fire or explosion Self-reactive substances and mixtures; Organic peroxides
H317 May cause an allergic skin reaction Sensitization, Skin
H319 Causes serious eye irritation Serious eye damage/eye irritation
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard

Precautionary Statements

CodeStatement
P210 Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking.
P234 Keep only in original container.
P235 Keep cool.
P240 Ground/bond container and receiving equipment.
P261 Avoid breathing dust/fume/gas/mist/vapors/spray.
P264+P265 Wash hands [and ...] thoroughly after handling. Do not touch eyes.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
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.
P321 Specific treatment (see information on this label and safety datasheet)).
P333+P317 If skin irritation or rash occurs: Get medical help.
P337+P317 If eye irritation persists: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P370+P380+P375 In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P378 Use ... to extinguish.
P391 Collect spillage.
P403 Store in a well-ventilated place.
P410 Protect from sunlight.
P411 Store at temperatures not exceeding ... °C/...°F.
P420 Store separately.
P501 Dispose of contents/container to ...

Exposure Limits

OSHA PEL5 mg-m3
NIOSH REL5 mg-m3
NIOSH IDLH1500 mg-m3
Skin NotationYes — can be absorbed through skin

Physical Properties

Colorless to white crystals or a granular powder with a faint, benzaldehyde-like odor.

Boiling Pointdecomposes explosively
Flash Point176°F
Vapor Pressure<1 mmHg
Specific Gravity1.33

NFPA 704 Diamond

4
1
4
Health Fire Reactivity

Target Organs

Lungs Skin Eyes

respiratory and eye irritation, skin effects

Synonyms

benzoperoxide; dibenzoyl peroxide

Data Sources

Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.

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