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CAS No.: | 625-52-5 |
---|---|
Name: | Ethylurea |
Article Data: | 35 |
Molecular Structure: | |
Formula: | C3H8 N2 O |
Molecular Weight: | 88.1093 |
Synonyms: | Urea,ethyl- (6CI,7CI,8CI,9CI); 1-Ethylurea; Ethylurea; N-Ethylurea; NSC 53556 |
EINECS: | 210-898-8 |
Density: | 1.005 g/cm3 |
Melting Point: | 90-95 ºC |
Boiling Point: | 136.3 ºC at 760 mmHg |
Flash Point: | 36.2 ºC |
Solubility: | H2O: 0.1 g/mL, clear, colorless |
Appearance: | Beige to white solid |
Hazard Symbols: | Xn |
Risk Codes: | 68-37-20/21/22 |
Safety: | 22-24/25 |
PSA: | 55.12000 |
LogP: | 0.76580 |
Conditions | Yield |
---|---|
With ammonia In water at 60℃; for 4h; | A 98.5% B 95% |
S-methyl N-ethylthiocarbamate
N-Ethylurea
Conditions | Yield |
---|---|
With ammonia In ethyl acetate | 93% |
With ammonium hydroxide In 1,4-dioxane at 70℃; for 6h; |
Conditions | Yield |
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With [bis(acetoxy)iodo]benzene; ammonia In methanol at 0 - 20℃; for 2h; Hofmann Rearrangement; Inert atmosphere; | 84% |
Conditions | Yield |
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With diethyl ether; hydroxylamine |
N-ethyl-N'-hydroxy-thiourea
N-Ethylurea
Conditions | Yield |
---|---|
With water | |
With ethanol |
Conditions | Yield |
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at 150℃; |
Conditions | Yield |
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With water |
Conditions | Yield |
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at 150℃; | |
With ethanol at 150℃; | |
at 150℃; oder in alkoh. Loesung; |
Conditions | Yield |
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With water |
IUPAC Name: Ethylurea
Formula : C3H8N2O
Molecular Weight: 88.11
Molecular Structure of Ethylurea (625-52-5):
Density: 1.005 g/cm3
Flash Point: 36.2 °C
Melting Point:87-90 °C(lit.)
Boiling Point: 136.3 °C at 760 mmHg
Index of Refraction: 1.44
Molar Refractivity: 23.1 cm3
Molar Volume: 87.6 cm3
Polarizability: 9.16× 10-24cm3
Surface Tension: 35.2 dyne/cm
Appearance: white to beige crystals
Enthalpy of Vaporization: 37.37 kJ/mol
Vapour Pressure: 7.44 mmHg at 25°C
Water Solubility: 2.64e+004 (mg/L) at 25°C
Product Categories: pharmaceutical intermediates;carbonyl compounds;organic building blocks;ureas.
1. | mmo-clr 400 mmol/L | FOMIAZ Folia Microbiologica (Prague). (Academia, Vodickova 40, CS-112 29 Prague 1, 20 (1975),452. | ||
2. | orl-mus TDLo:2 g/kg (10D preg):REP | TJADAB Teratology, A Journal of Abnormal Development. 23 (1981),335. | ||
3. | orl-rat LD:>250 mg/kg | NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),47. | ||
4. | par-mus LDLo:6610 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 52 (1934),216. |
EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.
Mildly toxic by parenteral route. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Safety Information about Ethylurea (625-52-5):
Hazard Codes:
Xn:
Risk Statements about Ethylurea (625-52-5):
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R37: Irritating to the respiratory system.
R68: Possible risk of irreversible effects.
Safety Statements about Ethylurea (625-52-5):
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
RIDADR: 1325
WGK Germany: 3
PackingGroup: III
The chemical synonyms of Ethylurea (625-52-5) are Ethylurea ; Ethylurea (mono) ; Ethanolurea ; Ethylcarbamide ; N-ethylurea ; 1-Ethyl-ure ; 1-Ethylurea ; Ethvlurea .It can be used as intermediate synthesis for medicine and pesticide.
Some important infamation about the operation and store of the product .If contact with skin or eyes, flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.Get medical aid. Wash mouth out with water.Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.