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%