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Safety Information

228877

Sigma-Aldrich

Benzoyl peroxide

70%, remainder water

Synonym(s):

Dibenzoyl peroxide

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About This Item

Linear Formula:
(C6H5CO)2O2
CAS Number:
Molecular Weight:
242.23
Beilstein:
984320
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:

Assay

70%

autoignition temp.

176 °F

contains

~30% water as stabilizer

reaction suitability

reagent type: oxidant

mp

105 °C (lit.)

SMILES string

O=C(OOC(=O)c1ccccc1)c2ccccc2

InChI

1S/C14H10O4/c15-13(11-7-3-1-4-8-11)17-18-14(16)12-9-5-2-6-10-12/h1-10H

InChI key

OMPJBNCRMGITSC-UHFFFAOYSA-N

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Application

Widely used initiator, curing agent, and cross-linking agent in polymerization processes.

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Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Org. Perox. C - Skin Sens. 1

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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