Product classification

1889-67-4

Product Name：2,3-dimethyl-2,3-diphenylbutane
Molecular Formula：C₁₈H₂₂
Purity：99%
Molecular Weight：

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Product Details;

CasNo： 1889-67-4

Molecular Formula： C₁₈H₂₂

Appearance： white to light yellow flakes, crystalline powder

Factory Supply High Purity Inductrial Grade 1889-67-4 In Bulk Supply, Export with Best Price

1889-67-4 Chemical & Physical Properties
Melting point	90-110 °C
Boiling point	306.1ºC at 760 mmHg
Density	0.95 g/cm3
Molecular Formula	C18H22
Molecular Weight	238.36700
Flash Point	142.7ºC
storage temp.	Sealed in dry,2-8°C
LogP	4.94200
Exact Mass	238.17200
Vapour Pressure	0.00143mmHg at 25°C
Index of Refraction	1.5531 (23ºC)
Storage condition	Refrigerator (+4°C)
Water Solubility	insoluble

Buy High Quality Flame Retardant Additives 2,3-dimethyl-2,3-diphenylbutane

2,3-dimethyl-2,3-diphenylbutane is an example of a highly sterically hindered aliphatic hydrocarbon. 2,3-Dimethyl-2,3-diphenylbutane (Bi) was one of the earliest radical initiators as a fire-retardant synergist.

InChI:InChI=1/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

1889-67-4 Relevant articles

Thermal Metathesis of C–C Single Bonds Induced by Steric Frustration

N Ishida, M Ito, M Murakami

, Chemistry Letters, 2022

… ,1,2,2-tetraphenylethane (12) was heated at 60 C (Figure 7). 2,3-Dimethyl-2,3-diphenylbutane (13) … These results indicate the necessity of one more substituent plus two aryl groups on a …

Study on performance and mechanism of methyloctabromoether enhanced flame retardant polystyrene

Yang Musen1,2,3, Qian Lijun1,2,3, Wang Jingyu1,2,3, Tao Mengwei1,2,3, Xi Baoan1,2,3, Zhao Zhen4,5

, New Chemical Materials,2023, Vol. 51 Issue (5): 164-169

2,3-dimethyl-2,3-diphenylbutane (DMDPB) for flame retardant PS was explored.The results exhibited that the addition of DMDPB could significantly enhanced the limited oxygen index (…

1889-67-4 Process route

: 13740-70-0
2-methyl-1,2-diphenyl-propan-1-one

: 98-82-8
Isopropylbenzene

: 1889-67-4
dicumene

: 100-52-7
benzaldehyde

: 98-83-9,6144-04-3,25014-31-7,42612-14-6
isopropenylbenzene

Conditions

Conditions	Yield
With sodium dodecyl-sulfate; In water; Title compound not separated from byproducts; Irradiation;	17% 2.8% 1.3% 30%
With sodium dodecyl-sulfate; In water; Quantum yield; Product distribution; Irradiation; further detergents;	30% 17% 2.8% 1.3%
With cetyltrimethylammonium chloride; In water; at 20 - 25 ℃; Quantum yield; Product distribution; Irradiation; cage effect;	30% 30% 2% 1%
With cetyltrimethylammonium chloride; In water; Title compound not separated from byproducts; Irradiation;	22% 2.2% 0.8% 23%

: 13740-70-0
2-methyl-1,2-diphenyl-propan-1-one

: 1889-67-4
dicumene

: 100-52-7
benzaldehyde

: 134-81-6
benzil

: 98-83-9,6144-04-3,25014-31-7,42612-14-6
isopropenylbenzene

Conditions

Conditions	Yield
In benzene; at 20 - 25 ℃; Irradiation;	15% 21% 8% 3.4%
In benzene; Title compound not separated from byproducts; Irradiation;	3.4% 15% 8% 21%
In benzene; at 20 - 25 ℃; Quantum yield; Irradiation; other solvents;	21% 3.4% 8% 15%
In dichloromethane; Quantum yield; Product distribution; Irradiation; further solvents;	18% 6.1% 18% 7.1%