5,5-dimethylhydantoin

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Structural formula
Structural formula of 5,5-dimethylhydantoin
General
Surname 5,5-dimethylhydantoin
other names
  • 5,5-dimethyl-2,4-imidazolidinedione ( IUPAC )
  • DM HYDANTOIN ( INCI )
Molecular formula C 5 H 8 N 2 O 2
Brief description

white odorless solid

External identifiers / databases
CAS number 77-71-4
EC number 201-051-3
ECHA InfoCard 100,000,957
PubChem 6491
ChemSpider 6246
Wikidata Q27256302
properties
Molar mass 128.13 g mol −1
Physical state

firmly

Melting point

174-178 ° C

solubility

soluble in water, ethanol , ether , acetone , benzene , chloroform and DMSO

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 .

5,5-Dimethylhydantoin is a chemical compound from the group of nitrogen - heterocycles with a keto group and hydantoins .

Extraction and presentation

5,5-Dimethylhydantoin can be obtained by reacting acetone , urea and ammonium carbonate or from acetone, potassium cyanate and hydrocyanic acid .

properties

5,5-Dimethylhydantoin is a flammable, hardly flammable, crystalline, white, odorless solid that is soluble in water.

use

5,5-Dimethylhydantoin is used as a reagent in the synthesis of N -chloroheterocyclic antimicrobial agents, drugs and other chemical compounds.

Individual evidence

  1. ↑ Entry on DM HYDANTOIN in the CosIng database of the EU Commission, accessed on April 3, 2020.
  2. ↑ a b c d e f g Entry on 5,5-dimethylhydantoin in the GESTIS substance database of the IFA , accessed on November 4, 2018(JavaScript required) .
  3. ↑ David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 220 ( limited preview in Google Book search).
  4. ↑ Entry on 5,5-dimethylhydantoin in the Hazardous Substances Data Bank , accessed on November 4, 2018.
  5. ↑ Data sheet 5,5-dimethylhydantoin, 97% from Sigma-Aldrich , accessed on November 4, 2018 ( PDF ).