tert -butyl chromate

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Structural formula
Structural formula
General
Surname tert -butyl chromate
other names

Di - tert-butyl chromate

Molecular formula C 8 H 18 O 4 Cr
Brief description

colorless liquid

External identifiers / databases
CAS number 1189-85-1
Wikidata Q20156235
properties
Molar mass 230.22 g mol −1
Physical state

liquid

Melting point

−2.8 ° C

solubility

hydrolysis

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

tert -Butylchromate is a chemical compound from the group of esters , more precisely chromic acid esters . Like all chromic acid derivatives , it is carcinogenic . The connection is unstable (except in solution).

presentation

Tert-butyl chromate can be prepared by reacting chromium trioxide with tert- butanol with cooling in an organic solvent.

use

tert -Butyl chromate is used as a mild oxidizing agent. It is also used in certain reactions as a source of chromium, in chromatography , for the production of catalysts and for the polymerization of olefins .

Individual evidence

  1. ^ A b Nick H. Proctor, James P. Hughes, Gloria J. Hathaway: Proctor and Hughes' Chemical Hazards of the Workplace . John Wiley & Sons, 2004, ISBN 978-0-471-26883-3 , pp. 104 ( limited preview in Google Book search).
  2. ↑ CDC: NIOSH Pocket Guide to Chemical Hazards - tert-Butyl chromate .
  3. ^ William M. Haynes: CRC Handbook of Chemistry and Physics, 95th Edition . CRC Press, 2014, ISBN 978-1-4822-0868-9 , pp. 82 ( limited preview in Google Book search).
  4. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  5. ↑ Lawrence H. Keith, Mary Walker: Handbook of Air Toxics Sampling, Analysis, and Properties . CRC Press, 1995, ISBN 978-1-56670-114-3 , pp. 244 ( limited preview in Google Book search).
  6. ↑ Alan Haines: Methods for Oxidation of Organic Compounds V2 Alcohols, Alcohol Derivatives, Alky Halides, Nitroalkanes, Alkyl Azides, Carbonyl Compounds Hydroxyarenes and Aminoarenes . Elsevier, 2012, ISBN 978-0-323-14844-3 , pp. 26 ( limited preview in Google Book search).
  7. ↑ Bode, K.-D. et al .: Methods of Organic Chemistry (Houben-Weyl), VII / 2a: Ketones, ketones by oxidation of functional groups (III) , p. 738. doi : 10.1055 / b-0035-111575 .
  8. ↑ RWH Edwards, DJH Trafford: The use of tert-butyl chromate for the location of steroids on paper chromatograms. In: Journal of Chromatography A. 21, 1966, p. 275, doi : 10.1016 / S0021-9673 (01) 91302-0 .