Benzopinacole supplier | CasNO.464-72-2

Name
Benzopinacole
EINECS 207-356-8
CAS No. 464-72-2
Article Data357
CAS DataBase
Density 1.198 g/cm³
Solubility insoluble in water
Melting Point 171-173 °C(lit.)
Formula C₂₆H₂₂O₂
Boiling Point 506.9 °C at 760 mmHg
Molecular Weight 366.459
Flash Point 224.9 °C
Transport Information
Appearance white crystalline powder
Safety 22-24/25-36-26
Risk Codes 20/21/22-36/37/38
Molecular Structure
Hazard Symbols Xi; Xn
Synonyms Benzopinacol(6CI);1,1,2,2-Tetraphenyl-1,2-ethanediol;Benzophenone pinacol;Benzpinacol;Tetraphenyl-1,2-ethanediol;Tetraphenylethylene glycol;a,a'-Bibenzhydrol;
PSA 40.46000
LogP 4.85860

Synthetic route

: 119-61-9
benzophenone

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With hydrogen sulfide; phosphorous acid trimethyl ester In diethylene glycol dimethyl ether for 2.75h; Product distribution; Irradiation; variation of solvents, reagents and conditions;	100%
With hydrogen sulfide; phosphorous acid trimethyl ester In diethylene glycol dimethyl ether for 2.75h; Irradiation;	100%
With iodine; magnesium In diethyl ether; benzene for 0.5h; pinacol coupling; sonication;	99%

: 2C13H10O(1-)*2Na(1+)*4C6H18N3OP

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With hydrogenchloride	100%

: (naphthalene)Yb(THF)3

A: ytterbium hydroxide

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With benzophenone; hydrogen cation In tetrahydrofuran addn. of benzophenone in THF to the Yb-compd., hydrolysis; pptn. of Yb(OH)3, benzpinacol detd. in the THF soln. by LSC;	A 100% B 67%

: 119-61-9
benzophenone

A: 91-01-0
1,1-Diphenylmethanol

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With LiCrH42LiCl2THF In tetrahydrofuran at 25℃; for 12h;	A 98% B 2%
With triethylamine; cadmium(II) sulphide In methanol for 6h; Irradiation;	A 88% B 11%
With sodium tetrahydroborate; nickel dichloride In tetrahydrofuran at 20℃; for 0.25h;	A 88% B 4%

: 2C13H10O(1-)*3C6H18N3OP*Ca(2+)

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With hydrogenchloride	98%
With hydrogenchloride	98%

: 119-61-9
benzophenone

: 109-73-9
N-butylamine

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
In benzene for 20h; Product distribution; Quantum yield; Irradiation;	96%

: 3808-00-2
α-acetoxy-α-phenylbenzeneacetic acid

A: 464-72-2
tetraphenylethane-1,2-diol

B: 108-24-7
acetic anhydride

Conditions

Conditions	Yield
With triethylamine In acetonitrile Ambient temperature; electrolysis;	A 93% B n/a
With triethylamine In acetonitrile Product distribution; Ambient temperature; electrolysis;	A 93% B n/a

: 119-61-9
benzophenone

: 141-97-9
ethyl acetoacetate

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
In benzene for 48h; Irradiation;	92%

: 626-61-9
4-Chloropyridine

: 119-61-9
benzophenone

A: 15031-78-4
2-(4-pyridyl)propan-2-ol

B: 1620-30-0
diphenyl(pyridin-4-yl)methanol

C: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
In water; isopropyl alcohol for 24h; Product distribution; Mechanism; Irradiation; conc. H2SO4 added;	A 19% B 6% C 90%

...Expand

: 119-61-9
benzophenone

: 33966-50-6
SEC-BUTYLAMINE

: 110-66-7
n-pentanethiol

: 75-64-9
tert-butylamine

A: 38836-40-7
N-2-butylidene-2-aminobutane

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
In benzene for 20h; Product distribution; Quantum yield; Irradiation;	A 76% B 90%

...Expand

: 119-61-9
benzophenone

: 14066-73-0
benzophenone semicarbazone

A: 6344-61-2
9H-fluoren-1-ol

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
Irradiation;	A 89% B n/a

...Expand

: 119-61-9
benzophenone

A: 6344-61-2
9H-fluoren-1-ol

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With benzophenone semicarbazone Mechanism; Irradiation; other nitrogen-containing reagents;	A 89% B n/a
With propan-2-one azine In methanol Irradiation;	A 23% B 1.6 g

: 100-52-7
benzaldehyde

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With triethylamine; poly(p-phenylene) In methanol for 6h; Irradiation;	87%

: 119-61-9
benzophenone

: 56859-17-7
(trimethylsilyl)potassium

A: 1450-14-2
1,1,1,2,2,2-hexamethyldisilane

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
In 1,2-dimethoxyethane for 12h; Ambient temperature;	A 85% B 80%

...Expand

: 119-61-9
benzophenone

: 15487-82-8, 6735-25-7
triphenylsilylkalium

A: 1450-23-3
hexaphenyldisilane

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
In 1,2-dimethoxyethane for 12h; Ambient temperature;	A 79% B 85%

...Expand

: Cyclohexa-1,2,4-trienyl-phenyl-methanone

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
samarium(III) chloride In various solvent(s) at 20℃; electrolysis, Al anode;	85%

: 119-61-9
benzophenone

: 124-38-9
carbon dioxide

A: 91-01-0
1,1-Diphenylmethanol

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With cadmium(II) sulphide; triethylamine In N,N-dimethyl-formamide at 20℃; for 2h; Irradiation;	A 0% B 85%
With cadmium(II) sulphide; triethylamine In N,N-dimethyl-formamide at 20℃; for 2h; Irradiation;	A 78% B 3%

...Expand

: 119-61-9
benzophenone

: 213598-45-9
3,4-isopropylidenedioxy-Δ1-pyrroline-1-oxide

A: 464-72-2
tetraphenylethane-1,2-diol

B: 1384970-76-6
(3aS,4R,6aR)-4-(hydroxydiphenylmethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-5-ol

Conditions

Conditions	Yield
With samarium diiodide; water In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; diastereoselective reaction;	A 10% B 85%

...Expand

: 119-61-9
benzophenone

A: 17498-07-6
1-deuteriodiphenylmethanol

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With water-d2; magnesium; ethylene dibromide In tetrahydrofuran at 70℃; for 2h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Schlenk technique;	A 83% B 12%

: 119-61-9
benzophenone

: 1-Methoxy-1-(tert-butyldimethylsiloxy)-2-phenylcyclopropane

A: 464-72-2
tetraphenylethane-1,2-diol

B: 7028-47-9
meso-3,4-diphenyladipic acid dimethyl ester

C: Methyl 4-hydroxy-3,4,4-triphenylbutanoate

Conditions

Conditions	Yield
With magnesium(II) perchlorate; water In acetonitrile at -40℃; Irradiation;	A 9% B 8% C 78%

...Expand

: 119-61-9
benzophenone

: 26407-91-0
methyl 2-oxopyrrolidine-1-carboxylate

A: 464-72-2
tetraphenylethane-1,2-diol

B: 1365921-07-8
methyl 2-(diphenylmethylene)pyrrolidine-1-carboxylate

C: 1365921-23-8
C19H21NO4

Conditions

Conditions	Yield
Stage #1: benzophenone; methyl 2-oxopyrrolidine-1-carboxylate With titanium tetrachloride; zinc In tetrahydrofuran at 0℃; for 12h; McMurry reaction; Stage #2: With hydrogenchloride In tetrahydrofuran; water at 0℃; for 0.25h;	A n/a B 7% C 76%

...Expand

: 119-61-9
benzophenone

: 14092-14-9
4-(methylamino)-3-penten-2-one

A: 464-72-2
tetraphenylethane-1,2-diol

B: 74783-91-8
N-(2,2-diphenyl-2-hydroxyethyl)-4-amino-3-penten-2-one

Conditions

Conditions	Yield
In benzene for 48h; Irradiation;	A 75% B 17%

...Expand

: 67-56-1
methanol

: 119-61-9
benzophenone

A: 4217-62-3
1,1-diphenyl-1,2-ethanediol

B: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With TiO2 P25 at 20℃; for 48h; UV-irradiation; Inert atmosphere;	A 20% B 71%

...Expand

: 91-01-0
1,1-Diphenylmethanol

: 464-72-2
tetraphenylethane-1,2-diol

Conditions

Conditions	Yield
With air; 2,2'-thiobis(2,4-di-tert-butylphenol); triethylamine; copper(l) chloride In tetrahydrofuran at 20℃; for 12h;	68%
With thiobenzoic acid; (4,4'-di-tert-butyl-2,2'-dipyridyl)-bis-(2-phenylpyridine(-1H))-iridium(III) hexafluorophosphate; magnesium sulfate; benzaldehyde In N,N-dimethyl acetamide at 20℃; for 24h; Inert atmosphere; Irradiation;	34%
With acetone; butanone; benzene Sonnenlicht;
With benzophenone; benzene Sonnenlicht;
With benzene Sonnenlicht;

: 119-61-9
benzophenone

: 1-Methoxy-1-(tert-butyldimethylsiloxy)-2-phenylcyclopropane

A: 464-72-2
tetraphenylethane-1,2-diol

B: 7028-47-9
meso-3,4-diphenyladipic acid dimethyl ester

C: 57697-68-4
4,5,5-triphenyldihydrofuran-2(3H)-one

D: Methyl 4-hydroxy-3,4,4-triphenylbutanoate

Conditions

Conditions	Yield
With magnesium(II) perchlorate; water In acetonitrile for 10h; Product distribution; Mechanism; Ambient temperature; Irradiation; other times, temperature; also under anhydrous conditions in the presence or absence of naphthalene; also for other cyclopropanone acetals and carbonyl compounds;	A 24% B 9% C 3% D 67%

...Expand

: 100-70-9
2-Cyanopyridine

: 119-61-9
benzophenone

A: 19490-90-5
diphenyl(2-pyridyl)methanol

B: 464-72-2
tetraphenylethane-1,2-diol

C: 74439-11-5
[2,4']Bipyridinyl-2'-yl-diphenyl-methanol

Conditions

Conditions	Yield
In water; isopropyl alcohol for 17h; Product distribution; Mechanism; Irradiation;	A 64% B 0.6 g C 2%
In water; isopropyl alcohol for 17h; Irradiation;	A 64% B 0.6 g C 2%

...Expand

: 119-61-9
benzophenone

: 762-73-2
trimethyl(allyl)stannane

A: 464-72-2
tetraphenylethane-1,2-diol

B: 4165-79-1
1,1-diphenyl-3-buten-1-ol

Conditions

Conditions	Yield
In acetonitrile for 5h; Mechanism; Irradiation; other aromatic carbonyl compounds also investigated;	A 10% B 64%
In acetonitrile for 5h; Irradiation;	A 10% B 64%

...Expand

: 22027-65-2
N-[1-morpholino(benzyl)] benzamide

: 119-61-9
benzophenone

A: 26581-79-3
3-(diphenylhydroxymethyl)morpholine

B: 464-72-2
tetraphenylethane-1,2-diol

C: 860522-56-1
1,1,2-triphenyl-1-hydroxy-N-benzoylaminoethane

D: 880141-47-9
(+/-)-N,N'-dibenzoyl-1,2-diphenyl-1,2-diaminoethane

Conditions

Conditions	Yield
In benzene at 30℃; for 4h; Irradiation; uranium filter;	A n/a B n/a C 63% D 5%

...Expand

: 119-61-9
benzophenone

A: 26581-79-3
3-(diphenylhydroxymethyl)morpholine

B: 464-72-2
tetraphenylethane-1,2-diol

C: 860522-56-1
1,1,2-triphenyl-1-hydroxy-N-benzoylaminoethane

D: 880141-47-9
(+/-)-N,N'-dibenzoyl-1,2-diphenyl-1,2-diaminoethane

Conditions

Conditions	Yield
With N-[1-morpholino(benzyl)] benzamide In benzene at 30℃; for 4h; Irradiation; uranium filter;	A n/a B n/a C 63% D 5%

...Expand

: 119-61-9
benzophenone

A: 17530-24-4
di-tert-butylacetylene

B: 464-72-2
tetraphenylethane-1,2-diol

C: 83747-02-8
4,4-Dimethyl-2-pentinsaeure-tert-butylester

: 86260-40-4
1,5,6-Tri-tert-butyl-3,3-diphenyl-2-oxabicyclo<2.2.0>hex-5-en-4-carbonsaeure-tert-butylester

Conditions

Conditions	Yield
With C21H36N2O2 In pentane for 18h; Ambient temperature; Irradiation;	A n/a B 51% C 61% D 7%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 466-37-5
benzopinacolone

Conditions

Conditions	Yield
With tellurium tetrachloride In dichloromethane Ambient temperature;	100%
With toluene-4-sulfonic acid solid/solid reaction;	100%
o-benzenedisulfonimide In toluene at 110℃; for 7h; Pinacol rearrangement;	100%

: 464-72-2
tetraphenylethane-1,2-diol

: 119-61-9
benzophenone

Conditions

Conditions	Yield
With N-Bromosuccinimide; triphenylbismuthane; potassium carbonate In water; acetonitrile for 2h; Ambient temperature;	100%
With naphthalene-1,4-dicarbonitrile; oxygen for 90h; Irradiation;	100%
With dinitrogen tetraoxide; ferric nitrate In ethyl acetate Heating; further oxidizing agent;	100%

: 464-72-2
tetraphenylethane-1,2-diol

: 91879-79-7
μ-Oxo-I,I'-bis(trifluoroacetato-O)-I,I'-diphenyldiiodine(III)

: 119-61-9
benzophenone

Conditions

Conditions	Yield
In chloroform for 24h; Product distribution; Ambient temperature; various substrates;	99%

: 464-72-2
tetraphenylethane-1,2-diol

: 602-15-3
9,10-diphenylphenanthrene

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid In benzene for 12h; Ambient temperature;	99%
With trifluorormethanesulfonic acid In benzene for 12h; Mechanism; Ambient temperature; other functionalised pinacols;	99%
With trifluorormethanesulfonic acid In benzene at 10 - 20℃; for 20h;	75%
With trifluorormethanesulfonic acid In toluene at 0 - 20℃; for 24h; Pinacol Rearrangement; Inert atmosphere;	74%
Multi-step reaction with 2 steps 1: SOCl2, Py / CH2Cl2 2: methanol / Irradiation View Scheme

: [Hf(meso-tetra-p-tolylporphyrin)(OCMe2CMe2O)]

: 464-72-2
tetraphenylethane-1,2-diol

: [Hf(meso-tetra-p-tolylporphyrin)(OC(Ph)2C(Ph)2O)]

Conditions

Conditions	Yield
In benzene-d6 for 1 h;	99%

: 464-72-2
tetraphenylethane-1,2-diol

: 1033130-16-3
2-chloro-4,4',5,5'-tetraphenyl-1,3,2-dioxaphospholane

Conditions

Conditions	Yield
With triethylamine; phosphorus trichloride In tetrahydrofuran at -40 - 20℃; Schlenk technique;	99%
With triethylamine; phosphorus trichloride In tetrahydrofuran at -40 - 20℃;

: 464-72-2
tetraphenylethane-1,2-diol

: 78-84-2
isobutyraldehyde

A: 119-61-9
benzophenone

B: 74031-77-9
3-Methyl-1,1-diphenyl-1,2-butanediol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 97-96-1
2-Ethylbutyraldehyde

: 464-72-2
tetraphenylethane-1,2-diol

A: 119-61-9
benzophenone

B: 3-ethyl-1,1-diphenylpentane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 2043-61-0
cyclohexanecarbaldehyde

A: 119-61-9
benzophenone

B: 20805-08-7
1,1-diphenyl-2-cyclohexylethanediol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 107-87-9
2-Pentanone

A: 119-61-9
benzophenone

B: 2-methyl-1,1-diphenylpentane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 108-10-1
4-methyl-2-pentanone

A: 119-61-9
benzophenone

B: 2,4-dimethyl-1,1-diphenylpentane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 108-94-1
cyclohexanone

A: 119-61-9
benzophenone

B: 15015-46-0
1--1-cyclohexanol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 98-86-2
acetophenone

A: 119-61-9
benzophenone

B: 3784-22-3
1,1,2-triphenyl-1,2-propanediol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 590-86-3
isovaleraldehyde

A: 119-61-9
benzophenone

B: 153595-52-9
4-methyl-1,1-diphenylpentane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 98%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 100-52-7
benzaldehyde

A: 119-61-9
benzophenone

B: 6296-95-3
1,1,2-triphenyl-1,2-ethanediol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 98%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 104-87-0
4-methyl-benzaldehyde

A: 119-61-9
benzophenone

B: 110247-82-0
1,1-diphenyl-2-p-tolylethane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 98%

...Expand

: 939-97-9
4-tert-Butylbenzaldehyde

: 464-72-2
tetraphenylethane-1,2-diol

A: 119-61-9
benzophenone

B: 2-(4-tert-butylphenyl)-1,1-diphenylethane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 98%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 103-79-7
1-phenyl-acetone

A: 119-61-9
benzophenone

B: 412018-01-0
2-methyl-1,1,3-triphenylpropane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 98%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 120-92-3
cyclopentanone

A: 119-61-9
benzophenone

B: 16177-38-1
1-(diphenylhydroxymethyl)-1-hydrohycyclopentane

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 98%

...Expand

: 14371-10-9
(E)-3-phenylpropenal

: 464-72-2
tetraphenylethane-1,2-diol

A: 119-61-9
benzophenone

B: (E)-1,2-dihydroxy-1,1,4-triphenylbut-3-ene

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 97%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 93-55-0
1-phenyl-propan-1-one

A: 119-61-9
benzophenone

B: 1,1,2-triphenylbutane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 97%

...Expand

: 464-72-2
tetraphenylethane-1,2-diol

: 78-95-5
chloroacetone

A: 119-61-9
benzophenone

B: 3-chloro-2-methyl-1,1-diphenylpropane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 97%

...Expand

Benzopinacole Consensus Reports

Reported in EPA TSCA Inventory.

Benzopinacole Specification

The CAS registry number of 1,1,2,2-Tetraphenylethylene glycol is 464-72-2. Its EINECS registry number is 207-356-8. The IUPAC name is 1,1,2,2-tetraphenylethane-1,2-diol. In addition, the molecular formula is C₂₆H₂₂O₂ and the molecular weight is 366.45. What's more, it is a kind of white crystalline powder and belongs to the class of Pharmaceutical Intermediates. It is incompatible with strong oxidizing agents. And it should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 5.88; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.88; (4)ACD/LogD (pH 7.4): 5.88; (5)ACD/BCF (pH 5.5): 17300.12; (6)ACD/BCF (pH 7.4): 17300.04; (7)ACD/KOC (pH 5.5): 37599.53; (8)ACD/KOC (pH 7.4): 37599.37; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 18.46 Å²; (13)Index of Refraction: 1.648; (14)Molar Refractivity: 111.29 cm³; (15)Molar Volume: 305.8 cm³; (16)Polarizability: 44.12 ×10^-24cm³; (17)Surface Tension: 52 dyne/cm; (18)Density: 1.198 g/cm³; (19)Flash Point: 224.9 °C; (20)Enthalpy of Vaporization: 81.8 kJ/mol; (21)Boiling Point: 506.9 °C at 760 mmHg; (22)Vapour Pressure: 4.26E-11 mmHg at 25°C.

Preparation of 1,1,2,2-Tetraphenylethylene glycol: it can be prepared by benzophenone. This reaction will need reagents Mg and chlorotrimethylsilane, catalyst InCl₃ and solvent tetrahydrofuran. The reaction time is 24 hours at reaction temperature of 20 °C. The yield is about 49%.

Uses of 1,1,2,2-Tetraphenylethylene glycol: it can be used as organic synthesis intermediates. In addition, it can be used to get tetraphenylethene. This reaction will need reagent titanium slurry and solvent tetrahydrofuran. The reaction time is 20 hours by heating. The yield is about 85%.

1,1,2,2-Tetraphenylethylene glycol can be used to get tetraphenylethene

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing and avoid contact with skin and eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In addition, you should not breathe dust.

You can still convert the following datas into molecular structure:
(1)SMILES: OC(c1ccccc1)(c2ccccc2)C(O)(c3ccccc3)c4ccccc4
(2)InChI: InChI=1/C26H22O2/c27-25(21-13-5-1-6-14-21,22-15-7-2-8-16-22)26(28,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20,27-28H
(3)InChIKey: MFEWNFVBWPABCX-UHFFFAOYAP

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	> 8gm/kg (8000mg/kg)		European Journal of Toxicology and Environmental Hygiene. Vol. 9, Pg. 99, 1976.
mouse	LD50	oral	> 10gm/kg (10000mg/kg)		European Journal of Toxicology and Environmental Hygiene. Vol. 9, Pg. 99, 1976.

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