n-Butyl carbamate Chemical Properties

Melting point:

53-55 °C (lit.)

Boiling point:

204 °C

Density 

0.9308 (estimate)

vapor pressure 

2.65hPa at 20℃

refractive index 

1.4189 (estimate)

Flash point:

228 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

SOLUBLE

pka

13.52±0.50(Predicted)

form 

powder to crystal

color 

White to Almost white

Water Solubility 

SOLUBLE

LogP

2.75 at 25℃

CAS DataBase Reference

592-35-8(CAS DataBase Reference)

NIST Chemistry Reference

Butyl carbamate(592-35-8)

EPA Substance Registry System

Carbamic acid, butyl ester (592-35-8)

Safety Information

Hazard Codes 

Xn,Xi,F

Risk Statements 

22-41-43-36/37/38-10-36-20/21/22

Safety Statements 

26-36/37/39-24/25-16-7/9-36/37

WGK Germany 

1

RTECS 

EZ0175000

HS Code 

29241990

Hazardous Substances Data

592-35-8(Hazardous Substances Data)

MSDS

• Language:English Provider:Butyl carbamate
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS

n-Butyl carbamate Usage And Synthesis

Chemical Properties

WHITE FLAKES

Flammability and Explosibility

Not classified

Safety Profile

A poison via intraperitoneal route. Moderately toxic via subcutaneous route. Experimental teratogenic effects. Questionable carcinogen with experimental neoplastigenic data. Mutation data reported. See also CARBAMATES. When heated to decomposition it emits toxic fumes of NOx

Synthesis

GENERAL STEPS: First, the catalyst was prepared by calcining Yb(NO3)3-6H2O in air at 350 °C for 4 hours. Subsequently, 48.0 g of n-butanol, 6.0 g of urea and 0.75 g of the above prepared catalyst were added to an autoclave. The reaction was carried out at 180°C for 6 hours under autogenous pressure (about 8.5 atm). At the end of the reaction, the yields of dibutyl carbonate (DBC) and butyl carbamate (BC) were 43.1% by weight and 12.8% by weight, respectively.

References

[1] RSC Advances, 2015, vol. 5, # 25, p. 19534 - 19540
[2] RSC Advances, 2015, vol. 5, # 25, p. 19534 - 19540
[3] Patent: US2010/312001, 2010, A1. Location in patent: Page/Page column 4
[4] Patent: TW2017/31810, 2017, A. Location in patent: Paragraph 0080

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