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Methylurea

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Methylurea Basic information

Product Name:
Methylurea
Synonyms:
  • N-Methylurea Vetec(TM) reagent grade, 97%
  • N-monomethylurea
  • N-Methylurea 97%
  • 1-Methylurea, 98.0%(N)
  • Methylurea 250
  • N-Methylurea
  • N-METHYLUREA
  • MONOMETHYLUREA
CAS:
598-50-5
MF:
C2H6N2O
MW:
74.08
EINECS:
209-935-0
Product Categories:
  • Building Blocks
  • Carbonyl Compounds
  • Carbonyl Compounds
  • Organic Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Ureas
  • bc0001
Mol File:
598-50-5.mol
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Methylurea Chemical Properties

Melting point:
~93 °C
Boiling point:
131.34°C (rough estimate)
Density 
1.2040
vapor pressure 
0.003-0.005Pa at 20-23.3℃
refractive index 
1.4264 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
1000g/l (Lit.)
form 
Crystalline Solid
pka
14.38±0.46(Predicted)
Specific Gravity
1.204
color 
White to off-white
PH
6.7 (50g/l, H2O, 20℃)
Water Solubility 
1000 g/L (20 ºC)
BRN 
878189
InChIKey
XGEGHDBEHXKFPX-UHFFFAOYSA-N
LogP
-1.16 at 25℃ and pH7.7
CAS DataBase Reference
598-50-5(CAS DataBase Reference)
NIST Chemistry Reference
Urea, methyl-(598-50-5)
EPA Substance Registry System
Methylurea (598-50-5)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22-68-37-20/21/22
Safety Statements 
22-36-45-36/37
WGK Germany 
3
RTECS 
YT7175000
TSCA 
Yes
HS Code 
29241900

MSDS

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Methylurea Usage And Synthesis

Chemical Properties

white to off-white crystalline solid

Uses

N-Methylurea is used as a reagent in the synthesis of bis(aryl)(hydroxyalkyl)(methyl)glycoluril derivatives and is a potential byproduct of caffeine.

Definition

ChEBI: A member of the class of ureas that is urea substituted by a methyl group at one of the nitrogen atoms.

Purification Methods

Crystallise the urea from EtOH/water, then dry it under vacuum at room temperature. [Beilstein 4 IV 205.]

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