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urethane

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Origem: China

Cas No: 51-79-6

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 100 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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CAS No.: 51-79-6 Formula: C3H7NO2 Molecular Weight: 89.09320

Description

Ethyl carbamate (also called urethane) is a chemical compound with the molecular formula C3H7NO2 first prepared in the nineteenth century. Structurally, it is an ester of carbamic acid. Despite its common name, it is not a component of polyurethanes.

Basic Info

Chemical Name	urethane
Synonyms	Ethyl Carbamate; methyl,methyl carbamate; caproic acid ethyl ester; 2-Ethyl Hexanoate; Carbamic acid, ethyl ester; ethyl carbaminate; Hexanoic acid,ethyl ester; Ethyl hexoate; Capronic ether absolute; Urethane; carbamic acid ethyl ester; ethyl n-heptanoate; Ethyl caproate; ethyl capronate;
CAS No.	51-79-6
Molecular Formula	C3H7NO2
Molecular Weight	89.09320
PSA	52.32000
LogP	0.80190

Properties

Appearance & Physical State	white crystalline powder
Density	1.1
Boiling Point	182-184ºC
Melting Point	47-51ºC
Flash Point	92ºC
Refractive Index	1.4144 (51ºC)
Water Solubility	slightly soluble
Stability	Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.
Storage Condition	Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Density	3.07 (vs air)
Vapor Pressure	10 mm Hg ( 77.8 °C)

Safety Info

RTECS	FA8400000
Safety Statements	S45-S53
HS Code	2924199090
WGK Germany	3
Risk Statements	R45
Hazard Codes	T

Synthesis Route

+Ammonia→1-(2-Phenyl-2-propanyl)ure+urea
N-ethoxycarbonyl-(2,3,4,5-tetrachloro-1-thiophenio)amide→TETRACHLOROTHIOPHENE+urethane
N-fluoro-N-methylurethan→N-METHYLURETHANE+METHYLENE DIURETHANE

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	1809 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Intraperitoneal	LD50 - Lethal dose, 50 percent kill	Rodent - rat	1500 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Subcutaneous	LDLo - Lowest published lethal dose	Rodent - rat	1800 mg/kg	1.Details of toxic effects not reported other than lethal dose value