ChemicalBook--->CAS DataBase List--->2050-94-4

2050-94-4

2050-94-4 Structure

2050-94-4 Structure
IdentificationBack Directory
[Name]

CARBONICACID,DIPENTYLESTER
[CAS]

2050-94-4
[Synonyms]

Dipentyl carbonate
CARBONICACID,DIPENTYLESTER
[Molecular Formula]

C11H22O3
[MDL Number]

MFCD00068969
[MOL File]

2050-94-4.mol
[Molecular Weight]

202.29
Chemical PropertiesBack Directory
[Boiling point ]

238-240 °C
[density ]

0.919±0.06 g/cm3(Predicted)
[storage temp. ]

2-8°C
[solubility ]

Chloroform (Slightly), Hexane (Slightly)
[form ]

Oil
[color ]

Clear Colorless
[InChI]

InChI=1S/C11H22O3/c1-3-5-7-9-13-11(12)14-10-8-6-4-2/h3-10H2,1-2H3
[InChIKey]

HSNQKJVQUFYBBY-UHFFFAOYSA-N
[SMILES]

C(OCCCCC)(=O)OCCCCC
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319
[Precautionary statements ]

P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Hazard InformationBack Directory
[Uses]

Dipentyl Carbonate can be synthesized by transesterification using a basic ionic liquid 1-butyl-3-methylimidazolium hydroxide catalyst.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 47, p. 5209, 1982 DOI: 10.1021/jo00147a037
[Synthesis]

1-Pentanol

71-41-0

Urea

57-13-6

CARBONICACID,DIPENTYLESTER

2050-94-4

The reaction apparatus was the same as in Example 1. 10 g of urea, 60 g of n-pentanol, 0.5 g of nickel acetate and 2 g of triphenylphosphine were added to a three-neck flask. The flask was heated in an oil bath at 170°C to maintain the system temperature at 140°C and reflux the reaction for 20 hours. The yield of dipentyl carbonate was 92.2% as determined by gas chromatography analysis using urea as the reference.

[References]

[1] Patent: CN108358786, 2018, A. Location in patent: Paragraph 0047
[2] Angewandte Chemie, 1980, vol. 92, # 9, p. 742 - 743
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