598-50-5

Name Methylurea
CAS 598-50-5
EINECS(EC#) 209-935-0
Molecular Formula C2H6N2O
MDL Number MFCD00007950
Molecular Weight 74.08
MOL File 598-50-5.mol
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Chemical Properties

Appearance white to off-white crystalline solid
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)
color  White to off-white
Specific Gravity 1.204
PH 6.7 (50g/l, H2O, 20℃)
Water Solubility  1000 g/L (20 ºC)
BRN  878189
InChI 1S/C2H6N2O/c1-4-2(3)5/h1H3,(H3,3,4,5)
InChIKey XGEGHDBEHXKFPX-UHFFFAOYSA-N
SMILES CNC(N)=O
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 598-50-5(EPA Substance)
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Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H319
Precautionary statements  P305+P351+P338
Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R68:Possible risk of irreversible effects.
R37:Irritating to the respiratory system.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S22:Do not breathe dust .
S36:Wear suitable protective clothing .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
WGK Germany  3
RTECS  YT7175000
TSCA  Yes
REACH Registrations Active
HS Code  29241900
Storage Class 11 - Combustible Solids

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Material Safety Data Sheet(MSDS)

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