CAS No.1889-67-4,2,3-Dimethyl-2,3-diphenyl butane Suppliers

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Basic Information

Molecular Structure:
CAS No.:	1889-67-4
Name:	2,3-Dimethyl-2,3-diphenyl butane
Article Data:	162

Formula:	C₁₈H₂₂
Molecular Weight:	238.373
Synonyms:	Bibenzyl, a,a,a',a'-tetramethyl- (6CI,8CI);1,1,2,2-Tetramethyl-1,2-diphenylethane;1,1'-(1,1,2,2-Tetramethyl-1,2-ethanediyl)bis[benzene];1,2-Diphenyltetramethylethane;2,3-Diphenyl-2,3-dimethylbutane;BC 90;Bicumyl;CCDFB 90;Dicumene;Dicumyl;Interox CC-DFB;NSC 34859;Nofmer BC;Nofmer BC 90;Perkadox 30;a,a,a',a'-Tetramethylbibenzyl;a,a'-Dicumyl;
EINECS:	217-568-2
Density:	0.95 g/cm³
Melting Point:	90-110 °C
Boiling Point:	306.1 °C at 760 mmHg
Flash Point:	142.7 °C
Solubility:	insoluble in water
Appearance:	white to light yellow flakes, crystalline powder
Hazard Symbols:	T+
Risk Codes:	R28
Safety:	24/25
PSA:	0.00000
LogP:	4.94200

Synthetic route

: 617-94-7
1-methyl-1-phenylethyl alcohol

: 1889-67-4
dicumene

Conditions

Conditions	Yield
With lithium aluminium tetrahydride; titanium(III) chloride In tetrahydrofuran Heating;	92%
With hydrogen bromide; zinc Reagens 4: Essigsaeure;
With hydrogenchloride; zinc Reagens 4: Essigsaeure;

: 98-83-9
isopropenylbenzene

A: 1889-67-4
dicumene

B: 617-94-7
1-methyl-1-phenylethyl alcohol

Conditions

Conditions	Yield
With sodium tetrahydroborate; (5,10,15,20-tetramesitylporphyrinato)manganese(III) chloride; oxygen In ethanol; benzene for 0.583333h; Ambient temperature;	A 8% B 92%
With sodium tetrahydroborate; oxygen; meso-tetraphenylporphyrin iron(III) chloride In methanol; benzene Ambient temperature;	A 41% B 40%

: 3457-58-7
2-nitro-2-phenylpropane

A: 98-82-8
Isopropylbenzene

B: 1889-67-4
dicumene

Conditions

Conditions	Yield
With sodium naphthalenide In tetrahydrofuran at 25℃; Product distribution; Mechanism;	A 8.8% B 91.2%
With potassium hydroxide; mercury In ethanol at 20℃; pH=13; Reduction; Electrolysis;	A 2 % Chromat. B 85 % Chromat.

: 98-88-4
benzoyl chloride

Me4(PrO)4(μ-PrO)2W2: Me4(PrO)4(μ-PrO)2W2

: 1889-67-4
dicumene

Conditions

Conditions	Yield
In tetrahydrofuran -78 deg C to 66 deg C in 1 h; 66 deg C, 3 h;	90%

: 98-83-9
isopropenylbenzene

: 1889-67-4
dicumene

Conditions

Conditions	Yield
With nitrous oxide; sodium tetrahydroborate; meso-tetraphenylporphyrin iron(III) chloride; tetramethyl ammoniumhydroxide In methanol; toluene for 14h; Reagent/catalyst; Time;	87%
Multi-step reaction with 4 steps 2: aq. NaOH / H2O 3: 47 percent / MgSO4, KMnO4 / acetone; H2O / 46 h / 25 - 30 °C 4: 9 percent / hexamethylphosphoric acid triamide / 45 h / Irradiation View Scheme

: 98-82-8
Isopropylbenzene

: 2167-23-9
2,2-bis(tert-butylperoxy)butane

A: 107-71-1
tert-butyl peroxyacetate

B: 1889-67-4
dicumene

C: 3457-61-2
tert-butyl cumyl peroxide

D: 67-64-1
acetone

E: 78-93-3
butanone

F: 75-65-0
tert-butyl alcohol

Conditions

Conditions	Yield
at 100℃; for 11h; Product distribution; Mechanism;	A 61% B 86% C 8% D 15% E 16% F 104 %
at 110℃; for 2h;

...Expand

: 98-82-8
Isopropylbenzene

: 1889-67-4
dicumene

Conditions

Conditions	Yield
With di-tert-butyl peroxide; sodium acetate at 120℃; for 10h; Schlenk technique; Green chemistry;	85%
With di-tert-butyl peroxide; sodium acetate at 120℃; for 10h;	85%
With trans-di-O-tert-butyl hyponitrite at 80℃; for 0.5h;	54.5%

: 917-64-6
methyl magnesium iodide

: 98-82-8
Isopropylbenzene

: 62735-89-1
α-chloro-nitroso-2,2,6,6-tetramethylcyclohexane

A: 7007-40-1
2,2,6,6-Tetramethylcyclohexanone oxime

B: 1889-67-4
dicumene

C: 76014-60-3
C11H21NO

D: 76014-62-5
2,2,6,6-Tetramethyl-cyclohexanone O-(1-methyl-1-phenyl-ethyl)-oxime

Conditions

Conditions	Yield
Product distribution; Mechanism; Investigation of the reaction of the title compound with Grignard and organolithium reagents. The effect of various solvents is examined.;	A 85% B 22% C 2% D 3%

...Expand

: 917-64-6
methyl magnesium iodide

: 62735-89-1
α-chloro-nitroso-2,2,6,6-tetramethylcyclohexane

A: 109-72-8, 29786-93-4
n-butyllithium

B: 1889-67-4
dicumene

C: 76014-60-3
C11H21NO

D: 76014-62-5
2,2,6,6-Tetramethyl-cyclohexanone O-(1-methyl-1-phenyl-ethyl)-oxime

Conditions

Conditions	Yield
In various solvent(s)	A 85% B 22% C 2% D 3%

...Expand

: 98-82-8
Isopropylbenzene

: 62735-89-1
α-chloro-nitroso-2,2,6,6-tetramethylcyclohexane

A: 7007-40-1
2,2,6,6-Tetramethylcyclohexanone oxime

B: 1889-67-4
dicumene

C: 76014-60-3
C11H21NO

D: 76014-62-5
2,2,6,6-Tetramethyl-cyclohexanone O-(1-methyl-1-phenyl-ethyl)-oxime

Conditions

Conditions	Yield
	A 85% B 22% C 2% D 3%

...Expand

Total:85 Page 1 of 3 1 2 3 Next>>

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Specification

The Benzene,1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-, with CAS registry number 1889-67-4, has the systematic name of 1,1'-(2,3-dimethylbutane-2,3-diyl)dibenzene. This chemical is a kind of white to light yellow flakes, crystalline powder. When use this chemical, avoid contact with skin and eyes. What's more, its EINECS is 217-568-2.

Physical properties of Benzene,1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-: (1)ACD/LogP: 6.09; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.09; (4)ACD/LogD (pH 7.4): 6.09; (5)ACD/BCF (pH 5.5): 25150.25; (6)ACD/BCF (pH 7.4): 25150.25; (7)ACD/KOC (pH 5.5): 49146.61; (8)ACD/KOC (pH 7.4): 49146.61; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 0 Å²; (13)Index of Refraction: 1.534; (14)Molar Refractivity: 77.96 cm³; (15)Molar Volume: 250.6 cm³; (16)Polarizability: 30.9×10^-24cm³; (17)Surface Tension: 32.5 dyne/cm; (18)Enthalpy of Vaporization: 52.47 kJ/mol; (19)Vapour Pressure: 0.00143 mmHg at 25°C.

Preparation: this chemical can be prepared by isopropylbenzene. This reaction will need reagents aluminium-powder, air. The reaction temperature is 148 ℃.

You can still convert the following datas into molecular structure:
(1)SMILES: c1ccccc1C(C(c2ccccc2)(C)C)(C)C
(2)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
(3)InChIKey: HGTUJZTUQFXBIH-UHFFFAOYAM
(4)Std. 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
(5)Std. InChIKey: HGTUJZTUQFXBIH-UHFFFAOYSA-N