Dibutylurea Chemical Properties

Melting point:

65-75 °C

Boiling point:

115°C 0,03mm

Density 

0.9845 (rough estimate)

refractive index 

1.5800 (estimate)

Flash point:

115°C/0.03mm

storage temp. 

Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly), Methanol (Slightly)

form 

Solid

pka

14.44±0.46(Predicted)

color 

White to Off-White

BRN 

1704165

CAS DataBase Reference

1792-17-2(CAS DataBase Reference)

NIST Chemistry Reference

1,3-Dibutylurea(1792-17-2)

EPA Substance Registry System

N,N'-Dibutylurea (1792-17-2)

Safety Information

Safety Statements 

24/25

MSDS

• Language:English Provider:1,3-Dibutylurea
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Dibutylurea Usage And Synthesis

Chemical Properties

white to pink or light beige crystalline powder

Uses

N,N'-Dibutylurea is a degradation product of Benomyl, the active ingredient in Benlate fungicides.

Uses

N,N''-Dibutylurea is a degradation product of Benomyl, the active ingredient in Benlate fungicides.

Preparation

The reactions under CO2 pressured conditions were carried out in a stainless steel reactor (SUS 304, 30 mL, TVS-5 type). Thus, butylamine (2.9 g, 40 mmol), Ph3SbO (370 mg, 1.0 mmol), P4S10 (890 mg, 2.0 mmol), and benzene (20 mL) were charged into the reactor, and then CO2 was introduced at a pressure of 4.9 MPa (50 kg cm-2, ca. 65 mmol) at room temperature. The reactor was heated at 80 ℃ in a temperature-regulated incubator for 12 h. When a reaction temperature higher than 100 ℃ was necessary, an oil bath was used. After the heating, the reactor was cooled and carefully decompressed. The contents were treated with hot benzene (3×20 mL) and filtered to remove an insoluble residue containing the catalyst and phosphoric acid derivatives. The collected benzene solution was then concentrated to dryness in vacuo with cooling. Pure 1,3-dibutylurea was isolated by recrystallization from ligroin (yield 2.99 g, 88%).

Synthesis Reference(s)

Synthetic Communications, 21, p. 1923, 1991 DOI: 10.1080/00397919108021783

Dibutylurea(1792-17-2)Related Product Information

• tert-Butyldimethylsilyl chloride
• TOLBUTAMIDE
• Dibutyl sulfide
• Dibutyltin dilaurate
• Biuret
• Diafenthiuron
• Diethyl dibutylmalonate
• Butylated Hydroxytoluene
• n-Butyllithium
• tert-Butylchlorodiphenylsilane
• Dibutyltin maleate
• BIUREA
• 1,5-Diphenylcarbazide
• Tetrabutylurea
• Lenacil
• 1,1'-CARBONYLDIPIPERIDINE
• Dibutyltin oxide
• 1,3,5-tris(6-isocyanatohexyl)biuret