| Identification | More | [Name]
2,4-Dichlorobenzoyl peroxide | [CAS]
133-14-2 | [Synonyms]
2,4-DICHLOROBENZOYL PEROXIDE
BIS(2,4-DICHLOROBENZOYL) PEROXIDE
Di-2，4-dichlorobenzoyl peroxide
bis(2,4-dichlorobenzoyl)-peroxid
cadoxtdp
cadoxts
cadoxts40,50
lupercocst
Peroxide,bis(2,4-dichlorobenzoyl)
siloprenecl40
tc2
tc2(peroxide)
Bis-(2,4-dichlorbenzoyl)peroxid
2,4-DICHLOROBENZOYL PEROXIDE: 50% IN POLYDIMETHYLSILOXANE
2 4-DICHLOROBENZOYL PEROXIDE 50% PASTE
o,o',p,p'-Tetrachlorodibenzoyl peroxide | [EINECS(EC#)]
205-094-9 | [Molecular Formula]
C14H6Cl4O4 | [MDL Number]
MFCD00045184 | [Molecular Weight]
380.01 | [MOL File]
133-14-2.mol |
| Chemical Properties | Back Directory | [Melting point ]
55°C (dec.) | [Boiling point ]
495.27°C (rough estimate) | [density ]
1,26 g/cm3 | [vapor pressure ]
0.009Pa at 25℃ | [refractive index ]
1.5282 (estimate) | [Specific Gravity]
1.26 | [Water Solubility ]
29.93μg/L at 25℃ | [Hydrolytic Sensitivity]
4: no reaction with water under neutral conditions | [Henry's Law Constant]
9.2×100 mol/(m3Pa) at 25℃, Zhang et al. (2010) | [InChI]
InChI=1S/C14H6Cl4O4/c15-7-1-3-9(11(17)5-7)13(19)21-22-14(20)10-4-2-8(16)6-12(10)18/h1-6H | [InChIKey]
WRXCBRHBHGNNQA-UHFFFAOYSA-N | [SMILES]
O(C(=O)C1=CC=C(Cl)C=C1Cl)OC(=O)C1=CC=C(Cl)C=C1Cl | [LogP]
6 at 20℃ | [CAS DataBase Reference]
133-14-2(CAS DataBase Reference) | [EPA Substance Registry System]
133-14-2(EPA Substance) |
| Hazard Information | Back Directory | [Reactivity Profile]
May explode from heat, shock, friction or contamination. May ignite combustibles (wood, paper, oil, clothing, etc.). May be ignited by heat, sparks or flames. Peroxides are good oxidizing agents. Organic compounds can ignite on contact with concentrated peroxides. Strongly reduced material such as sulfides, nitrides, and hydrides may react explosively with peroxides. There are few chemical classes that do not at least produce heat when mixed with peroxides. Many produce explosions or generate gases (toxic and nontoxic). Generally, dilute solutions of peroxides (<70%) are safe, but the presence of a catalyst (often a transition metal such as cobalt, iron, manganese, nickel, or vanadium) as an impurity may even then cause rapid decomposition, a buildup of heat, and even an explosion. Solutions of peroxides often become explosive when evaporated to dryness or near-dryness. | [General Description]
3,5-dichlorocatechol (3,5-DCK), 2,4-dichlorophenol (2,4-DCP), and 3,5-dichlorophenol (3,5-DCP) are metabolites of 2,4-Dichlorobenzoyl peroxide in the human body. They are afraid of being excreted through urine[1].
| [Chemical Properties]
DCBP is a white to yellowish viscous paste, diacyl peroxide,
cross-linking agent of silicone rubber with 150–400°C hot air
without pressure. Fifty percent in paste is available for use.
No additional information was found. | [Uses]
Bis(2,4-dichlorobenzoyl)peroxide (2,4-DCBP), also known as 2,4-Dichlorobenzoyl peroxide, is commonly used as an initiator or cross-linking agent for silicone rubber production. During hot curing, 2,4-DCBP decomposes into 2,4-dichlorobenzoic acid, 1,3-dichlorobenzene, and the polychlorinated biphenyl (PCB) congeners PCB-47, PCB-51, and PCB-68. Due to the high persistence of PCBs and the poorly defined toxicological properties of PCB 47 and PCB 68, a replacement of 2,4-DCBP as initiator in silicone rubber production should be considered[1].
| [Hazard]
2,4-Dichlorobenzoyl peroxide may damage fertility or the unborn child, if heated may cause a fire and may cause an allergic skin reaction. | [Safety Profile]
Poison by intraperitoneal route.Explosion Hazard: Pure compound is extremely shocksensitive and decomposes rapidly @ 80°. When heated todecomposition it emits toxic fumes of Cl-. | [References]
[1] Schettgen T, et al. Decomposition Products of the Initiator Bis(2,4-dichlorobenzoyl)peroxide in the Silicone Industry: Human Biomonitoring in Plasma and Urine of Workers. Environmental Science & Technology, 2022; 56: 8518–8527.
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Grader reagent
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