Benzopinacole

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Names

[ CAS No. ]:
464-72-2

[ Name ]:
Benzopinacole

[Synonym ]:
1,1,2,2-tetraphenylethane-1,2-diol
EINECS 207-356-8
Benzopinacol
1,1,2,2-Tetraphenyl-1,2-ethanediol
MFCD00004448
Tetraphenylethylene Glycol

Chemical & Physical Properties

[ Density]:
1.198 g/cm3

[ Boiling Point ]:
506.9ºC at 760 mmHg

[ Melting Point ]:
171-173 °C(lit.)

[ Molecular Formula ]:
C26H22O2

[ Molecular Weight ]:
366.45200

[ Flash Point ]:
224.9ºC

[ Exact Mass ]:
366.16200

[ PSA ]:
40.46000

[ LogP ]:
4.85860

[ Vapour Pressure ]:
4.26E-11mmHg at 25°C

[ Index of Refraction ]:
1.648

[ Stability ]:
Stable. Combustible. Incompatible with strong oxidizing agents.

[ Water Solubility ]:
insoluble

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KI2750000
CHEMICAL NAME :
1,2-Ethanediol, 1,1,2,2-tetraphenyl-
CAS REGISTRY NUMBER :
464-72-2
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C26-H22-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJTXAZ European Journal of Toxicology and Environmental Hygiene. (Paris, France) V.7-9, 1974-76. For publisher information, see TOERD9. Volume(issue)/page/year: 9,99,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJTXAZ European Journal of Toxicology and Environmental Hygiene. (Paris, France) V.7-9, 1974-76. For publisher information, see TOERD9. Volume(issue)/page/year: 9,99,1976

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R20/21/22

[ Safety Phrases ]:
S22-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
2

[ RTECS ]:
KI2750000

[ HS Code ]:
29062900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Benzhydrol
  • Benzophenone
  • methyl 2-oxopyrrolidine-1-carboxylate
  • 1,4-Naphthalenedicarbonitrile
  • m-cymene
  • Benzaldehyde
  • Tropine
  • ETHYLMAGNESIUM BROMIDE
  • α-Cumyl alcohol

DownStream

  • benzopinacolone
  • TETRAPHENYLETHYLENE OXIDE
  • 9,10-Diphenylphenanthrene
  • Benzophenone
  • 2,6-dichloro-1H-1,3,5-triazin-4-one
  • Water
  • Benzopinacole
  • 1,2-Ethanediol, 1,1,2,2-tetrakis(4-methylphenyl)-
  • 1,1-diphenyl-2,2-ditolylethanediol
  • Triphenylethylene

Customs

[ HS Code ]: 2906299090

[ Summary ]:
2906299090 other aromatic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Related Compounds

  • 3,3',3'',3'''-TETRAKIS(TRIFLUOROMETHYL)BENZOPINACOLE
  • Methyl 2-methyl-2-(4-nitroanilino)propanoate
  • 3-(4-Ethylphenyl)-2-methylbutan-1-ol
  • Ethyl 3-(pyrazin-2-ylamino)cyclohexane-1-carboxylate
  • (2S)-2-(2,2-Difluorocyclopentyl)propan-1-ol
  • Tert-butyl 2-amino-2-(2,5-difluorophenyl)acetate
  • 2-(Chloromethyl)-2-propyloxane
  • 3-[1-(1,1-Difluoroethyl)cyclopropaneamido]benzene-1-sulfonyl fluoride
  • 4'',6'-Diamino-5',5''-bis(3,5-dicarboxyphenyl)-[1,1':3',1'':3'',1'''-quaterphenyl]-3,3''',5,5'''-tetracarboxylic acid
  • N-(4-Cyanothian-4-yl)-[1,3]thiazolo[4,5-c]pyridine-2-carboxamide
  • N-(2,6-Dimethyloxan-4-yl)prop-2-enamide
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