1,1-DIMETHYLUREA Chemical Properties

Melting point:

178-183 °C (lit.)

Boiling point:

163.08°C (rough estimate)

Density 

1.255

vapor pressure 

0.008Pa at 25℃

refractive index 

1.4715 (estimate)

storage temp. 

Store below +30°C.

solubility 

water: soluble5%, clear, colorless

pka

14.73±0.50(Predicted)

form 

Crystalline Powder

color 

White to off-white

Water Solubility 

Soluble

BRN 

1740666

LogP

-4.6 at 20℃

CAS DataBase Reference

598-94-7(CAS DataBase Reference)

NIST Chemistry Reference

Urea, N,N-dimethyl-(598-94-7)

EPA Substance Registry System

1,1-Dimethylurea (598-94-7)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

RTECS 

YS9867985

TSCA 

Yes

HS Code 

2924 19 00

Hazardous Substances Data

598-94-7(Hazardous Substances Data)

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

1,1-DIMETHYLUREA Usage And Synthesis

Chemical Properties

White to off-white crystalline powder

Uses

1,1-Dimethylurea (N,N-dimethylurea) has been used in the Dowex-50W ion exchange resin-promoted synthesis of N,N′-disubstituted-4-aryl-3,4-dihydropyrimidinones.

General Description

Nonlinear optical properties of 1,1-dimethylurea (N,N′ dimethylurea), have been evaluated through second-harmonic generation.

Flammability and Explosibility

Not classified

1,1-DIMETHYLUREA(598-94-7)Related Product Information

• Carbamazepine
• Diprophylline
• 4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE
• 4-Phenylurazole
• 1,7-DIMETHYLXANTHINE
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• 4-(2-KETO-1-BENZIMIDAZOLINYL)PIPERIDINE
• 7-(2-CHLOROETHYL)THEOPHYLLINE
• 3-ISOBUTYL-1-METHYLXANTHINE
• 1,3,5-Tris(2-hydroxyethyl)cyanuric acid
• 10,11-DIHYDROCARBAMAZEPINE
• CAFFEINE
• 1-METHYLHYDANTOIN
• 8-Chlorotheophylline
• isoproturon 3-(4-isopropylphenyl)-1,1-dimethylurea
• FENURON
• 4-(3-Hydroxypropylamino)-1,3-dimethyluracil
• 5,6-Diamino-1,3-dimethyluracil hydrate