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N-Butylurea

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N-Butylurea Basic information

Product Name:
N-Butylurea
Synonyms:
  • 1-Butylurea
  • butyl-ure
  • monobutylurea
  • NCI-C02131
  • N-n-Butylurea
  • urea,N-butyl-
  • n-Butylurea,99%
  • BUTYLUREA
CAS:
592-31-4
MF:
C5H12N2O
MW:
116.16
EINECS:
209-748-4
Product Categories:
  • Carbonyl Compounds
  • Organic Building Blocks
  • Ureas
Mol File:
592-31-4.mol
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N-Butylurea Chemical Properties

Melting point:
95-98 °C (lit.)
Boiling point:
217.23°C (rough estimate)
Density 
1.0551 (rough estimate)
refractive index 
1.4432 (estimate)
storage temp. 
Refrigerator
solubility 
Methanol
form 
Solid
pka
14.38±0.46(Predicted)
color 
White
Water Solubility 
soluble
BRN 
1744775
CAS DataBase Reference
592-31-4(CAS DataBase Reference)
NIST Chemistry Reference
Urea, butyl-(592-31-4)
EPA Substance Registry System
Butylurea (592-31-4)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22-68-37-20/21/22
Safety Statements 
45-36/37-36
WGK Germany 
3
RTECS 
YS3675000
TSCA 
Yes
HS Code 
29241990
Hazardous Substances Data
592-31-4(Hazardous Substances Data)

MSDS

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N-Butylurea Usage And Synthesis

Chemical Properties

WHITE TO ALMOST WHITE CRYSTALLINE POWDER

Uses

n-Butylurea is used as a fertilizer for rice. It is used in the preparation of drugs which are recommended for diabetes.

General Description

Odorless white solid.

Air & Water Reactions

Water soluble.

Reactivity Profile

N-Butylurea is an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx). N-Butylurea decomposes on heating.

Health Hazard

ACUTE/CHRONIC HAZARDS: N-Butylurea emits toxic fumes when heated to decomposition.

Fire Hazard

Flash point data for N-Butylurea are not available. N-Butylurea is probably combustible.

Safety Profile

Moderately toxic by parenteral route. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

Purification Methods

Crystallise the urea from pKEst EtOH/water, then dry it under vacuum at room temperature. [Beilstein 4 I 371, 4 IV 578.]

N-ButylureaSupplier

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