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5,5-Dimethylhydantoin

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5,5-Dimethylhydantoin Basic information

Product Name:
5,5-Dimethylhydantoin
Synonyms:
  • dantoindmh
  • DM Hydantoin
  • dmh[qr]
  • dmhydantoin
  • Hydantoin, 5,5-dimethyl-
  • nsc8652
  • T10
  • t10[qr]
CAS:
77-71-4
MF:
C5H8N2O2
MW:
128.13
EINECS:
201-051-3
Product Categories:
  • Resin additives
  • Building Blocks
  • Miscellaneous Natural Products
  • Water treatment chemicals
  • Heterocyclic Building Blocks
  • Imidazolines/Imidazolidines
Mol File:
77-71-4.mol
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5,5-Dimethylhydantoin Chemical Properties

Melting point:
174-177 °C (lit.)
Boiling point:
237.54°C (rough estimate)
Density 
1.2864 (rough estimate)
refractive index 
1.4730 (estimate)
Flash point:
193°C
storage temp. 
Sealed in dry,Room Temperature
solubility 
H2O: 0.1 g/mL hot, clear
pka
pKa 8.1 (Uncertain)
form 
Crystalline Powder or Crystals
color 
White to off-white
Water Solubility 
soluble
BRN 
2827
LogP
-0.480
CAS DataBase Reference
77-71-4(CAS DataBase Reference)
NIST Chemistry Reference
2,4-Imidazolidinedione, 5,5-dimethyl-(77-71-4)
EPA Substance Registry System
5,5-Dimethylhydantoin (77-71-4)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
22-24/25-36/37-26
WGK Germany 
2
RTECS 
MU0977000
TSCA 
Yes
HS Code 
29332100
Hazardous Substances Data
77-71-4(Hazardous Substances Data)
Toxicity
LD50 oral in rabbit: 12660mg/kg

MSDS

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5,5-Dimethylhydantoin Usage And Synthesis

Chemical Properties

white to off-white crystals or crystalline powder

Uses

5,5-Dimethylhydantoin is part of a group of hydantoin compounds that are being evaluated for their anticonvulsant and central nervous system antitumour properties.

Definition

ChEBI: 5,5-Dimethylhydantoin is an imidazolidine-2,4-dione.

Purification Methods

Crystallise the hydantoin from EtOH and sublime it in vacuo. [Beilstein 24 III/IV 1097.]

5,5-Dimethylhydantoin Preparation Products And Raw materials

Preparation Products

Raw materials

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