ChemicalBook Product Catalog Chemical Reagents Organic reagents Urea Methylurea

Methylurea

Methylurea Basic information
Product Name:Methylurea
Synonyms:methyl-ure;Methyturea;urea,methyl-;METHYLCARBAMIC AMIDE;METHYLUREA;Methylurea,98%;N-Methylurea ,98%;Methylurea, 97% 5GR
CAS:598-50-5
MF:C2H6N2O
MW:74.08
EINECS:209-935-0
Product Categories:Building Blocks;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;Carbonyl Compounds;Organic Building Blocks;Ureas;bc0001
Mol File:598-50-5.mol
Methylurea Structure
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
pka14.38±0.46(Predicted)
color White to off-white
Specific Gravity1.204
PH6.7 (50g/l, H2O, 20℃)
Water Solubility 1000 g/L (20 ºC)
BRN 878189
InChIKeyXGEGHDBEHXKFPX-UHFFFAOYSA-N
LogP-1.16 at 25℃ and pH7.7
CAS DataBase Reference598-50-5(CAS DataBase Reference)
NIST Chemistry ReferenceUrea, methyl-(598-50-5)
EPA Substance Registry SystemMethylurea (598-50-5)
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 Information
ProviderLanguage
N-Methylurea English
SigmaAldrich English
ACROS English
ALFA English
Methylurea Usage And Synthesis
Chemical Propertieswhite to off-white crystalline solid
UsesN-Methylurea is used as a reagent in the synthesis of bis(aryl)(hydroxyalkyl)(methyl)glycoluril derivatives and is a potential byproduct of caffeine.
DefinitionChEBI: A member of the class of ureas that is urea substituted by a methyl group at one of the nitrogen atoms.
Purification MethodsCrystallise the urea from EtOH/water, then dry it under vacuum at room temperature. [Beilstein 4 IV 205.]
Methylurea Preparation Products And Raw materials
Preparation ProductsTheobromine-->2,6-Dihydroxy-3-methylpurine-->5,6-Diamino-1-methyluracil-->16beta-Methyl-16alpha,17alpha-epoxypregnenolone-->finishing agent ED for pernyl silk-->16,17-Epoxy-3-hydroxy-16-methyl-pregn-9(11)-ene-20-one-3-acetate-->16,17-Epoxy-16-methyl pregn-9(11)-en-3-ol-20-one-->6-AMINO-1-METHYL-5-NITROSOURACIL-->16-Methylepihydrocortisone-->6-Amino-1-methyluracil-->3-Acetyloxy-17-hydroxy-16-methylpregn-5-en-20-one-->3-Acetyloxy-16,17-epoxy-16-methylpregn-5-en-20-one-->17,21-Dihydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione 21-Acetate-->21-Acetyloxy-17-hydroxy-16-methylpregn-4-ene-3,20-dione-->3beta,17-dihydroxy-16alpha-methylpregn-5-en-20-one-->16-methyl-20-oxopregna-5,16-dien-3-beta-yl acetate-->3-(2,3-DIHYDROBENZOFURAN-5-YL)PROPANOIC ACID-->17,21-dihydroxy-16alpha-methylpregna-4,9(11)-diene-3,20-dione 21-acetate-->Methanimidamide, N,N'-bis[(methylamino)carbonyl]--->3,17-Dihydroxy-16-methylpregna-5,15-diene-20-one 3-acetate-->2,4,6(1H,3H,5H)-Pyrimidinetrione, 1-methyl-5-phenyl-
GRANULAR UREA 1-[2-(2,3-dihydro-1,4-benzodioxin-6-ylamino)propanoyl]-3-methylurea 1-[2-(3-cyanophenoxy)propanoyl]-3-methylurea 1-[2-(4-amino-2-chlorophenoxy)propanoyl]-3-methylurea Urea formaldehyde Direct Red 23 4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE DIRECT YELLOW 50 1-[2-(3-acetylphenoxy)propanoyl]-3-methylurea PIPERONYL METHYL KETONE (Hydroxymethyl)urea 1-(3-aminophenyl)-3-butyl-3-methylurea 1-(4-chlorophenyl)-3-(4-hydroxyphenyl)-3-methylurea 1-[2-(2-chloro-4-formyl-6-methoxyphenoxy)propanoyl]-3-methylurea 1-(2-hydroxyethyl)-3-phenylurea 1-(3-aminopropyl)-1-methylurea Direct Red 75 tetrasodium salt Methabenzthiazuron
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