Description and features
Enox BPO 75W (Dibenzoyl Peroxide 75%) is a white particle moistened with 25% water. This diacyl peroxide has C14H10O4 as chemical formula and it is used as initiator for the (co)polymerization of styrene, acrylonitrile, acrylates, methyacrylates and vinylacetate. Further it is being used to cure unsaturated polyester, vinyl esther and acrylic thermosetting resins at ambient temperatures.
Dibenzoyl peroxide also so known as benzoyl peroxide, BPO and benzoperoxide.
Availability
Europe: Enox BPO 75W is ➔ on stock in our local warehouses. Our lead ime is about one week if delivered in 20 KG carton boxes.
This substance (CAS: 94-36-0) has been registered (FULL) under REACH (EC) 1907/2006.
Product Identification
| CAS number | 94-36-0 |
| EC number | 202-327-6 |
| HS code | 2916 32 00 |
Half-life data
| Activation energy | 30.1 kcal/mole |
| 10 hr. half-life temp | 73 °C |
| 1 hr. half-life temp | 92 °C |
| 1 min. half-life temp | 131 °C |
Specification
| Appearance | White particle |
| Assay | 72.0-76.0 % |
| Active oxygen | 4.75-5.02 |
| Cl | ≤0.20 % |
| Free acid (as C6H6COOH) | ≤0.30 % |
| (In)organic hydrolysable Cl | ≤0.25 % |
| Water | ≥ 23.0% |
Packaging
Available packaging: 20 KG PE drums.
Special packaging is available on request
Storage
Store Dibenzoyl Peroxide in a cool, dry and well-ventilated area and in line with legal requirements.
Keep Enox BPO 75W away from heat sources and oxidizing agents.
MSDS
A Material Safety Data Sheets (MSDS) is available for Enox BPO 75W 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.
Molecular and structural information
| Molecular formula | C14H10O4 |
| Molecular weight | 242.23 g/mol |
| Smiles notation | O=C(OOC(=O)c1ccccc1)c2ccccc2 |
| InChi key | OMPJBNCRMGITSC-UHFFFAOYAV |
| Structural formula: |  |
Physicochemical information
| Flash point | Not applicable |
| Flammability | Highly flammable |
| Melting point | 103 – 105 20 °C @ 1.013 hPa |
| Partition coefficient (log Pow) | 3.43 @ 20 °C |
| Relative density | 1.33 @ 25 °C |
| SADT | 80 °C |
| Solubility in water | Slightly soluble (9 .1 mg/l) @ 25 °C |
| Vapour pressure | < 1mm Hg @ 20 °C |