1,5,5-TRIMETHYLHYDANTOIN Chemical Properties

Melting point:

161-164 °C (lit.)

Boiling point:

259.72°C (rough estimate)

Density 

1.2298 (rough estimate)

refractive index 

1.5010 (estimate)

storage temp. 

Inert atmosphere,Room Temperature

solubility 

soluble in Dimethylformamide

form 

powder to crystal

pka

8.99±0.10(Predicted)

color 

White to Almost white

CAS DataBase Reference

6851-81-6(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi,Xn

Risk Statements 

36/37/38-20/21/22

Safety Statements 

26-36

WGK Germany 

3

MSDS

• Language:English Provider:ACROS
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1,5,5-TRIMETHYLHYDANTOIN Usage And Synthesis

Chemical Properties

white to off-white crystalline powder

Uses

1,5,5-Trimethylhydantoin (1,5,5-Trimethyl-imidazolidine-2,4-dione) may be used to synthesize 3-bromomethyl-1,5,5-trimethylimidazolid-ine-2,4-dione.

General Description

1,5,5-Trimethylhydantoin (TMH) is a 1,5,5-trisubstituted hydantoin. Its mass spectrum has been recorded and analyzed. The density of TMH is 1.1318g/ml at 25°C.

1,5,5-TRIMETHYLHYDANTOIN(6851-81-6)Related Product Information

• 1-Hydroxymethyl-5,5-dimethylhydantoin
• (R)-1-METHYLMEPHENYTOIN
• 1,5,5-TRIMETHYLHYDANTOIN
• Dimethyloldimethyl hydantoin
• 1,3-Bis(2-hydroxyethyl)-5,5-dimethylhydantoin
• Methetoin
• 5,5-Dimethylhydantoin
• 1-T-BOC-PIPERIDINE-4-SPIRO-5'-[1',3'-BIS-T-BOC]-HYDANTOIN
• CIPEMASTAT
• (1-METHYL-2,4-DIOXO-1,3-DIAZA-SPIRO[4.5]DEC-3-YL)-ACETIC ACID
• 3-(4-FLUOROBENZYL)-5,5-DIMETHYL-1-(4-PHENOXYBUTYL)-1H-IMIDAZOLE-2,4(3H,5H)-DIONE
• 3-BROMOMETHYL-1,5,5-TRIMETHYLHYDANTOIN
• SALOR-INT L158011-1EA
• 1-METHYL-1,3-DIAZASPIRO[4.5]DECANE-2,4-DIONE
• RARECHEM AM UF SCH3
• 5,5-dimethyl-3-[2-(oxiranylmethoxy)propyl]-1-(oxiranylmethyl)imidazolidine-2,4-dione
• 3-(4-CHLOROBENZYL)-5,5-DIMETHYL-1-(5-NITRO-2-PYRIDINYL)-1H-IMIDAZOLE-2,4(3H,5H)-DIONE
• 1-(4-(2-Hydroxyethyl)-1-piperazine-2-propanolo)-3-ethyl-5,5-diphenylhy dantoin 2HCl hydrate