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464-72-2 - Benzopinacol, 98% - 1,1,2,2-Tetraphenyl-1,2-ethanediol - A11421 - Alfa Aesar

A11421 Benzopinacol, 98%

Codice CAS
464-72-2
Sinonimi
1,1,2,2-Tetraphenyl-1,2-ethanediol

Dimensioni Prezzo ($) Quantità Disponibilità
25g 49,30
100g 143,00
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Benzopinacol, 98%

MDL
MFCD00004448
EINECS
207-356-8

Proprietà chimiche

Formula
C26H22O2
Peso formula
366.46
Punto di fusione
174-180°
Solubilità
It is soluble in ethanol, ether, acetone insoluble in carbon disulfide and water.

Applicazioni

Benzopinacol is a catalyst of the formation of unsaturated polyesters. It is also used as an initiator of polymerisation by free radicals. It is also used as an organic synthesis intermediate.

Note

Keep container tightly closed in a dry and well-ventilated place. Store in cool place. Stable under recommended storage conditions. Incompatible to Strong oxidizing agents.

Letteratura

Koichi Tanaka.; Satoshi Kishigami.; Fumio Toda. A new method for coupling aromatic aldehydes and ketones to produce .alpha.-glycols using zinc-zinc dichloride in aqueous solution and in the solid state. J. Org. Chem.1990 55, (9), 2981-2983.

Shuntaro Mataka.; Masashi Tashiro. Thermolysis of dimethyl 3,3-(2,2'-biphenylyl)-3H-pyrazole-4,5-dicarboxylate. J. Org. Chem.198146, (9), 1929-1931.

Undergoes pinacol rearrangement on treatment with sulfuric acid to give ɑɑɑ-triphenylacetophenone in high yield. With the superacidic triflic acid, however, dehydrative cyclization to 9,10-diphenylphenanthrene occurs: Synthesis, 321 (1996); Org. Synth., 76, 294 (1998). The same pruduct is obtained on treatment of ɑɑɑ-triphenylacetophenone or tetraphenyloxirane with superacid mixtures: J. Org. Chem., 62, 6666 (1997).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni precauzionali: P260-P201-P280-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,1100
Beilstein
2061947
Codice tariffe armonizzato
2906.29
TSCA
Yes
RTECS
KI2750000

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