5,5-dimethylhydantoin
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | 5,5-dimethylhydantoin | ||||||||||||||||||
other names | |||||||||||||||||||
Molecular formula | C 5 H 8 N 2 O 2 | ||||||||||||||||||
Brief description |
white odorless solid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 128.13 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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Melting point |
174-178 ° C |
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solubility |
soluble in water, ethanol , ether , acetone , benzene , chloroform and DMSO |
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safety instructions | |||||||||||||||||||
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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
- ↑ Entry on DM HYDANTOIN in the CosIng database of the EU Commission, accessed on April 3, 2020.
- ↑ 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) .
- ↑ 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).
- ↑ Entry on 5,5-dimethylhydantoin in the Hazardous Substances Data Bank , accessed on November 4, 2018.
- ↑ Data sheet 5,5-dimethylhydantoin, 97% from Sigma-Aldrich , accessed on November 4, 2018 ( PDF ).