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2,3-Dimethyl-2,3-diphenylbutane

CAS No.
1889-67-4
Chemical Name:
2,3-Dimethyl-2,3-diphenylbutane
Synonyms
Dicumyl;DICUMENE;Perkadox 30;Bicumyl;3-Dimethyl-2;Interox CC-DFB;3-diphenylbutane;alpha,alpha'-Dicumyl;SALOR-INT L170127-1EA;Bibenzyl, alpha,alpha,alpha
CBNumber:
CB5194892
Molecular Formula:
C18H22
Molecular Weight:
238.37
MDL Number:
MFCD00053713
MOL File:
1889-67-4.mol
MSDS File:
SDS
Last updated:2024-04-10 11:19:08

2,3-Dimethyl-2,3-diphenylbutane Properties

Melting point 90-110 °C
Boiling point 335.97°C (estimate)
Density 0.9859 (estimate)
vapor pressure 0.015Pa at 20℃
refractive index 1.5413 (estimate)
storage temp. Sealed in dry,2-8°C
form Flakes, Crystalline Powder or Chunks
color White to light yellow
Water Solubility insoluble
InChI InChI=1S/C18H22/c1-17(2,15-11-7-5-8-12-15)18(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3
InChIKey HGTUJZTUQFXBIH-UHFFFAOYSA-N
SMILES C(C1=CC=CC=C1)(C)(C)C(C1=CC=CC=C1)(C)C
LogP 6.68 at 25℃
FDA UNII P9AUQ66PZS
NIST Chemistry Reference Benzene, 1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-(1889-67-4)
EPA Substance Registry System 2,3-Dimethyl-2,3-diphenylbutane (1889-67-4)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS02
Signal word  Warning
Hazard statements  H226
Precautionary statements  P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P303+P361+P353-P403+P235
Safety Statements  24/25
HS Code  29029090

2,3-Dimethyl-2,3-diphenylbutane price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
AK Scientific P320 2,3-Dimethyl-2,3-diphenylbutane 1889-67-4 1g $14 2021-12-16 Buy
Frontier Specialty Chemicals JK221769 2,3-Dimethyl-2,3-diphenylbutane 95% 1889-67-4 25g $28 2021-12-16 Buy
AK Scientific P320 2,3-Dimethyl-2,3-diphenylbutane 1889-67-4 5g $39 2021-12-16 Buy
Frontier Specialty Chemicals JK221769 2,3-Dimethyl-2,3-diphenylbutane 95% 1889-67-4 100g $64 2021-12-16 Buy
AK Scientific P320 2,3-Dimethyl-2,3-diphenylbutane 1889-67-4 25g $94 2021-12-16 Buy
Product number Packaging Price Buy
P320 1g $14 Buy
JK221769 25g $28 Buy
P320 5g $39 Buy
JK221769 100g $64 Buy
P320 25g $94 Buy

2,3-Dimethyl-2,3-diphenylbutane Chemical Properties,Uses,Production

Description

2,3-Dimethyl-2,3-diphenylbutane is one of the decomposition of Dicumylperoxide (DCP). Diallyl orthophthalate (DAOP) is a reactive plasticizer initiated by 2,3-dimethyl-2,3-diphenylbutane for improving polyphenylene oxide (PPO) processing.

Chemical Properties

white to light yellow flakes, crystalline powder

Uses

2,3-Dimethyl-2,3-diphenylbutane (DMDPB) is a new type of polymer material additive. It could used as a flame retardant synergist for polymer materials. This material can reduce the amount of flame retardant, reduce the effect of flame retardant on polymer performance, and endow polymer materials with flame retardant properties. It can also be used as a catalyst or initiator for polymer crosslinking, grafting, and copolymerization, and can be used for the modification of various polymer materials. For example, the thermolysis of 2,3-dimethyl-2,3-diphenylbutane at temperatures ranging from 220 to 310 °C is used to initiate the radical-mediated graft addition of vinyltriethoxysilane (VTEOS) to polyethylene[1].

Uses

2,3-Dimethyl-2,3-diphenylbutane, also known as Dicumene or 1,1 -(1,1,2,2-tetramethylethylene)dibenzene, is an environment friendly replacement for Antimony Tri-oxide (Sb2O3) and is commonly used as a flame retardant (FR) synergist for polypropylene and polystyrene, especially in expandable polystyrene (EPS).

Reactivity Profile

Adding appropriate modifiers dicumen can improve the performance of the polymer. In the case of heat or light, the product is easy to divide and form a certain free radical. The free radical is more stable due to the resonance of the benzene ring and the hyper-shock effect of methyl. In fact, the modification of Dicumene in the polymer is achieved through the free radical. It is found that when the temperature increases, the half-life of dicumen becomes shorter. The temperature of its decomposition is high. And at 230 degrees, the half-life will reach thirty minutes.

Flammability and Explosibility

Non flammable

References

[1] Parent J, et al. Mechanism and selectivity of 2,3-dimethyl-2,3-diphenylbutane mediated addition of vinyltriethoxysilane to polyethylene. European Polymer Journal, 2006; 42: 971-980.

Global( 221)Suppliers
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View Lastest Price from 2,3-Dimethyl-2,3-diphenylbutane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,3-dimethyl-2,3-diphenylbutane pictures 2024-04-10 2,3-dimethyl-2,3-diphenylbutane
1889-67-4
US $0.00-0.00 / kg 1kg 99.99% 20 tons airuikechemical co., ltd.
2,3-Dimethyl-2,3-diphenylbutane pictures 2023-11-21 2,3-Dimethyl-2,3-diphenylbutane
1889-67-4
US $0.00 / kg 1kg 0.99 20 tons Hebei Yanxi Chemical Co., Ltd.
2,3-Dimethyl-2,3-diphenylbutane pictures 2023-09-06 2,3-Dimethyl-2,3-diphenylbutane
1889-67-4
US $30.00-10.00 / KG 50KG 99% 500000kg Hebei Guanlang Biotechnology Co., Ltd.
(1,1,2-Trimethyl-2-phenylpropyl)benzene 1,1'-[1,1,2,2-Tetramethyl-1,2-ethandiyl]bis[benzene] 1,1’-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-benzen 1,2-Diphenyltetramethylethane 2,3-Diphenyl-2,3-dimethylbutane alpha,alpha'-Dicumyl Bibenzyl, alpha,alpha,alpha',alpha'-tetramethyl- Butane, 2,3-dimethy-2,3-diphenyl- Butane, 2,3-dimethyl-2,3-diphenyl- Interox CC-DFB SALOR-INT L170127-1EA 2,3-DIMETHYL-2,3-DIPHENYLBUTANE Benzene, 1,1-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis- 1,1′-(1,1,2,2-Tetramethylethylen)dibenzol 2,3-DIMETHYL-2,3-DIPHENYLBUTANE 95+% (2,3-Dimethyl-3-phenylbutan-2-yl)benzene Bicumyl 1,2-Diphenyl-1,1,2,2-tetramethylethane Bibenzyl, alpha,alpha,alpha 2,3-diMethy-2,3-diphenylbutane 2,3-DiMethyl-2,3-diphenylbutane, 95% 100GR 1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bisbenzene 1,1'-(1,1,2,2-Tetramethylethylene)dibenzene 2,3-DiMethyl-2,3-Diphenylbutane(DMDPB) (2,3-Dimethylbutane-2,3-diyl)dibenzene DICUMENE(2,3-diMenthy-2,3-diphenylbutane) bis-1,1'-(1,2,2,2-tetramethyl-1,2-ethanediyl)-benzene 2,3-Dimethyl-2,3-diphenylbutane USP/EP/BP 3-Dimethyl-2 3-diphenylbutane Dicumyl Perkadox 30 DICUMENE 1889-67-4 flame retardant additive Pharmaceutical intermediates Series Dichloroglyoxime is a newly developed high efficient industrial fungicide