Allylurea: 0 Products found
Name
Allylurea
EINECS
CAS No.
557-11-9
Density
1.008g/cm3
Solubility
Melting Point
84-86 °C(lit.)
Formula
C4H8 N2 O
Boiling Point
167.9°Cat760mmHg
Molecular Weight
100.14
Flash Point
55.3°C
Transport Information
Appearance
Safety
Poison by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also ALLYL COMPOUNDS.
Risk Codes
R20/21/22;
Molecular Structure
Hazard Symbols
Synonyms
Urea,2-propenyl- (9CI); Urea, allyl- (6CI,7CI,8CI); 1-(2-Propenyl)urea; 1-Allylurea;Allylcarbamide; Allylurea; Monoallylurea; N-2-Propenylurea; N-Allylurea; NSC136617; NSC 7607

History

Formaldehyde was first reported by the Russian chemist Aleksandr Butlerov (1828-1886), but it was conclusively identified by August Wilhelm von Hofmann.

Chemistry

Molecular Structure of Allylurea (CAS NO.557-11-9):

IUPAC Name: prop-2-enylurea
Empirical Formula: C4H8N2
Molecular Weight: 100.1191 
Index of Refraction: 1.465 
Surface Tension: 35.5 dyne/cm
Density: 1.008 g/cm3 
Flash Point: 55.3 °C
Enthalpy of Vaporization: 40.44 kJ/mol 
Boiling Point: 167.9 °C at 760 mmHg
Vapour Pressure: 1.66 mmHg at 25°C 
Synonyms of Allylurea (CAS NO.557-11-9): 1-Allylurea ; 2-propenyl-ure ; allyl-ure;Monoallylurea ; Urea, 2-propenyl- ; Allylurea ; Allylcarbamide ; 2-Propenylurea

Toxicity

1.    

mmo-sat 1 mg/plate

    EMMUEG    Environmental and Molecular Mutagenesis. 19 (Suppl 21)(1992),2.
2.    

orl-rat LDLo:250 mg/kg

    NCNSA6    National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),47.
3.    

orl-mus LDLo:1070 mg/kg

    AECTCV    Archives of Environmental Contamination and Toxicology. 14 (1985),111.

Consensus

Reported in EPA TSCA Inventory.

Safety

Poison by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also ALLYL COMPOUNDS.
 

Hazard Codes:HarmfulXn
Risk Statements:20/21/22-37 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R37:Irritating to respiratory system
Safety Statements:36/37 
S36/37:Wear suitable protective clothing and gloves.
 

Others

 Allylurea (CAS NO.557-11-9) is a highly toxic chemical, flammable, should be stored in low temperature, ventilation, drying and oxidation environmental conditions, separated with food ingredients , water, carbon dioxide , dry powder, sand, water mist fire extinguishing can be used if urgency.

 The chemical Properties of Allylurea (CAS NO.557-11-9) is a white needle crystal. Melting point is 85 ℃, soluble in water and ethanol, slightly soluble in ether and chloroform, practically insoluble in petroleum ether, benzene and carbon disulfide, easy deliquescence. Hazardous Decomposition Products are carbon monoxide, oxides of nitrogen, carbon dioxide, hazardous polymerization will not occur. 

 The use of Allylurea (CAS NO.557-11-9) is to compose allyl thiourea as preservatives.