ETHYLCARBAMIDE

Name	Ethylurea
Synonyms	ETHYLUREA Ethylurea ETHANOLUREA N-ETHYLUREA Urea, ethyl- ETHYLCARBAMIDE ETHYLUREA (MONO)
CAS	625-52-5
EINECS	210-898-8
InChI	InChI=1/C3H8N2O/c1-2-5-3(4)6/h2H2,1H3,(H3,4,5,6)
InChIKey	RYECOJGRJDOGPP-UHFFFAOYSA-N

Molecular Formula	C3H8N2O
Molar Mass	88.11
Density	1.2130
Melting Point	87-90 °C (lit.)
Boling Point	163.08°C (rough estimate)
Flash Point	93°C
Water Solubility	soluble
Solubility	H2O: 0.1g/mL, clear, colorless
Appearance	White crystal
Color	Off-White to Pale Yellow
BRN	1740512
pKa	14.39±0.46(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.4715 (estimate)
MDL	MFCD00007953
Physical and Chemical Properties	Ethyl urea pure white crystals, m. P. 92 ℃, industrial products for white flake solid, easy to absorb moisture, solubility in water.
Use	Intermediates for the synthesis of pharmaceuticals and pesticides

Hazard Symbols	Xn - Harmful
Risk Codes	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 Description	S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes.
UN IDs	1325
WGK Germany	3
RTECS	YT2335000
TSCA	Yes
HS Code	29241990
Packing Group	III

NIST chemical information	information provided by: webbook.nist.gov (external link)
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	ethyl urea is an intermediate of the fungicide, downy cyanide. intermediates for the synthesis of pharmaceuticals and pesticides
production method	the preparation method is to add toluene and urea in the reaction kettle, cover and seal, stir and heat to a certain temperature, subsequently, a certain amount of ethylamine was introduced, and stirring was continued for 0.5h after completion, and the mixture was cooled to 40~50 ℃. The mixture was placed in a crystallization pan, and cooled to 0~5 ℃, filtered and dried, white scaly crystals were obtained as finished products.

Last Update：2024-04-09 15:16:52

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