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Description and features
Enox PMBP, di-4-methylbenzoyl-peroxide is a white paste in silicon oil which has C16H14O4 as chemical formula. This diacyl peroxide is mainly used for the crosslinking of silicone rubbers.

Di(4-methylbenzoyl)peroxide is also known as p-Toluoyl peroxide and 4-methylbenzoyl peroxide

Shipment Info
Europe: Provided Enox PMBP is on stock in our local warehouses our lead time is about one week if delivered in 20 KG PE drums.

Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

Product identification
CAS number895-85-2
EC number 407-950-9
HS code2916 39 00
EC name
IUPAC name4-methylbenzoyl 4-methylbenzene-1-carboperoxoate
AppearanceWhite paste
Active oxygen content2.90 - 3.08 %
Assay49.00 - 52.00 %
Cl≤0.50 %
2,4 dichlorobenzoic≤1.00 %
Volatile≤1.50 %

Enox  PMBP is mainly used for the crosslinking of silicone rubbers, the compounds can be cured at atmospheric pressure in continuous systems with hot air and or IR-vulcanization. No scorching occurs at temperatures below 80 ºC, the paste makes it easier to mix the substance.

Available packaging: 20 KG PE drums.
Special packaging is available on request.

Store di-4-methylbenzoyl-peroxide below 25ºC in a cool, dry and well-ventilated area and in line with legal requirements. Keep Enox 2M away from heat sources, avoid contact with acids, alkalines, heavy metal compounds and reducing agents.  The Self Accelerating Decomposition Temperature (SADT) in original packaging is 80ºC.

A Material Safety Data Sheets (MSDS) is available for Enox PMBP and all other products supplied by Vesta Chemicals BV.

An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

This substance (CAS: 895-85-2) has been registered (FULL) under REACH (EC) 1907/2006.

Molecular and structural information
Molecular formulaC16H14O4
Molecular weight270.30 g/mol
Smiles notationCC1=CC=C(C=C1)C(=O)OOC(=O)C2=CC=C(C=C2)C
Structural formula895-85-2
Physicochemical information
Boiling point: Decomposes before boiling.
Bulk density1.22 kg/m3 @ 20 ºC
Flash pointDecomposes before flash point.
Melting point101 325 Pa @ 134 ºC
Log Pow4.70 @ 20 ºC
Solubility in water0.043 mg/l (20 ºC)
Vapor pressure0.01 Pa @ 25 ºC
di-4-methylbenzoyl-peroxide | CAS: 895-85-2 | Disclaimer. This information is supplied solely for informational purposes and Vesta Intracon bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.