Triphenylmethanol

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Structural formula
Structural formula of triphenylmethanol
General
Surname Triphenylmethanol
other names
  • Triphenyl carbinol
  • Trityl alcohol
Molecular formula C 19 H 16 O
Brief description

colorless leaflets

External identifiers / databases
CAS number 76-84-6
EC number 200-988-5
ECHA InfoCard 100,000,899
PubChem 6457
ChemSpider 6215
Wikidata Q2735403
properties
Molar mass 260.33 g mol −1
Physical state

firmly

density

1.188 g cm −3

Melting point

164 ° C

boiling point

380 ° C

solubility
safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Triphenylmethanol is a chemical compound from the group of alcohols and triphenylmethane derivatives .

Extraction and presentation

Triphenylmethanol can be obtained by reacting benzophenone with phenylmagnesium bromide .

Synthesis of triphenylmethanol

It is also formed during the oxidation of triphenylmethane.

properties

Triphenylmethanol is a colorless solid that is insoluble in water; impure products are beige in color. When dissolved in concentrated sulfuric acid , an intensely yellow colored solution is formed by the formation of a triphenylmethyl carbocation.

use

Triphenylmethanol is used in numerous chemical syntheses and is the base of triphenylmethane dyes . For example, it can with acetyl chloride to trityl be implemented, which the introduction of the trityl - protecting group used.

Individual evidence

  1. a b c d e f g Entry on triphenylmethanol. In: Römpp Online . Georg Thieme Verlag, accessed on November 11, 2014.
  2. a b c data sheet triphenylmethanol, 97% from Sigma-Aldrich , accessed on July 24, 2013 ( PDF ).
  3. Data sheet triphenylmethanol (PDF) from Merck , accessed on July 24, 2013.
  4. ^ Donald L. Pavia: Introduction to Organic Laboratory Techniques: A Small Scale Approach . Cengage Learning, 2005, ISBN 978-0-534-40833-6 , pp. 309 ( limited preview in Google Book search).
  5. Joseph M. Hornback: Organic Chemistry . Cengage Learning, 2004, ISBN 978-0-534-38951-2 , pp. 274 ( limited preview in Google Book search).
  6. Stefan Spathelf: Determination of androgenic and antiandrogenic substances in aqueous environmental samples with biological and chemical methods . GRIN Verlag, 2005, ISBN 3-638-41264-4 , p. 10 ( limited preview in Google Book search).