Product Name

  • Name

    2,4-Dichlorobenzoyl peroxide

  • EINECS 205-094-9
  • CAS No. 133-14-2
  • Density 1.577 g/cm3
  • Solubility 29.93μg/L at 25℃
  • Melting Point 55 °C (dec.)
  • Formula C14H6Cl4O4
  • Boiling Point 487.2 °C at 760 mmHg
  • Molecular Weight 380.011
  • Flash Point 194.1 °C
  • Transport Information UN 3106
  • Appearance white paste
  • Safety 15-17
  • Risk Codes
  • Molecular Structure Molecular Structure of 133-14-2 (2,4-Dichlorobenzoyl peroxide)
  • Hazard Symbols
  • Synonyms 2,4-Dichlorobenzoylperoxide;2,4-Dichlorobibenzoyl peroxide;Bis(2,4-dichlorobenzoyl) peroxide;C 2 (crosslinking agent);Cadox TDP;Cadox TS;Cadox TS 50;Chaloxyd DCLBP50PSI;Elastosil AUX Crosslinker E;Elastosil AUX-E;Perkadox PD 50S;Siloprene CL 40;TC 2;TC 2 (peroxide);o,o',p,p'-Tetrachlorodibenzoyl peroxide;Vulcanizing agent DCBP;
  • PSA 52.60000
  • LogP 5.22900

Synthetic route

2,4-dichlorobenzoyl chloride
89-75-8

2,4-dichlorobenzoyl chloride

bis(2,4-dichlorobenzoyl)-peroxide
133-14-2

bis(2,4-dichlorobenzoyl)-peroxide

Conditions
ConditionsYield
With (2S)-N-methyl-1-phenylpropan-2-amine hydrate; sodium peroxide; acetone
o-chlorobenzoyl chloride
609-65-4

o-chlorobenzoyl chloride

2,4-dichlorobenzoyl chloride
89-75-8

2,4-dichlorobenzoyl chloride

A

bis(2,4-dichlorobenzoyl)-peroxide
133-14-2

bis(2,4-dichlorobenzoyl)-peroxide

B

2-chlorobenzoyl 2,4-dichlorobenzoyl peroxide
1198794-83-0

2-chlorobenzoyl 2,4-dichlorobenzoyl peroxide

Conditions
ConditionsYield
With dihydrogen peroxide; sodium hydroxide In water at 20℃; for 0.5h; Product distribution / selectivity;
...Expand
tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

bis(2,4-dichlorobenzoyl)-peroxide
133-14-2

bis(2,4-dichlorobenzoyl)-peroxide

N-(tert-butyl)-2,4-dichlorobenzamide
61176-08-7

N-(tert-butyl)-2,4-dichlorobenzamide

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In water at 120℃; for 12h; Sealed tube;78%
bis(2,4-dichlorobenzoyl)-peroxide
133-14-2

bis(2,4-dichlorobenzoyl)-peroxide

2,2',4,4'-Tetrachlorobiphenyl
2437-79-8

2,2',4,4'-Tetrachlorobiphenyl

Conditions
ConditionsYield
Thermolysis.im Vakuum;
bis(2,4-dichlorobenzoyl)-peroxide
133-14-2

bis(2,4-dichlorobenzoyl)-peroxide

A

2,4 dichlorobenzoic acid
50-84-0

2,4 dichlorobenzoic acid

B

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

C

2.4.2'.4'-tetrachloro-diphenyl

2.4.2'.4'-tetrachloro-diphenyl

Conditions
ConditionsYield
im Vakuum;
...Expand

2,4-Dichlorobenzoyl peroxide Consensus Reports

Reported in EPA TSCA Inventory.

2,4-Dichlorobenzoyl peroxide Standards and Recommendations

DOT Classification:  Forbidden

2,4-Dichlorobenzoyl peroxide Specification

The Bis(2,4-dichlorobenzoyl) peroxide, with the CAS registry number 133-14-2, is also known as Cadox TDP. Its EINECS registry number is 205-094-9. This chemical's molecular formula is C14H6Cl4O4 and molecular weight is 380.00704. Its IUPAC name is called (2,4-dichlorobenzoyl) 2,4-dichlorobenzenecarboperoxoate. When you are using this chemical, please be cautious about it. You should keep it away from heat and combustible material. What's more, this chemical is appropriate for open vulcanization of silicon rubber.

Physical properties of Bis(2,4-dichlorobenzoyl) peroxide: (1)ACD/LogP: 5.37; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.37; (4)ACD/LogD (pH 7.4): 5.37; (5)ACD/BCF (pH 5.5): 7126.33; (6)ACD/BCF (pH 7.4): 7126.33; (7)ACD/KOC (pH 5.5): 19928.39; (8)ACD/KOC (pH 7.4): 19928.39; (9)#H bond acceptors: 4; (10)#Freely Rotating Bonds: 5; (11)Index of Refraction: 1.617; (12)Molar Refractivity: 84.31 cm3; (13)Molar Volume: 240.9 cm3; (14)Surface Tension: 54.9 dyne/cm; (15)Density: 1.577 g/cm3; (16)Flash Point: 194.1 °C; (17)Enthalpy of Vaporization: 75.31 kJ/mol; (18)Boiling Point: 487.2 °C at 760 mmHg; (19)Vapour Pressure: 1.21E-09 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=CC(=C(C=C1Cl)Cl)C(=O)OOC(=O)C2=C(C=C(C=C2)Cl)Cl
(2)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
(3)InChIKey: WRXCBRHBHGNNQA-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 225mg/kg (225mg/kg)   International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.

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