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471232

Sigma-Aldrich

Dibutylamine

≥99.5%

Synonym(s):

N,N-Di-n-butylamine, N-Butyl-1-butanamine, n-Dibutylamine, Di-n-butylamine

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About This Item

Linear Formula:
(CH3CH2CH2CH2)2NH
CAS Number:
111-92-2
Molecular Weight:
129.24
Beilstein:
506001
EC Number:
203-921-8
MDL number:
MFCD00009429
UNSPSC Code:
12352100
PubChem Substance ID:
24870706
NACRES:
NA.22

vapor density

4.46 (vs air)

vapor pressure

1.9 mmHg ( 20 °C)

Assay

≥99.5%

form

liquid

autoignition temp.

594 °F

expl. lim.

10 %

refractive index

n20/D 1.417 (lit.)

pH

11.1 (20 °C, 1 g/L)

bp

159 °C (lit.)

mp

−62 °C (lit.)

solubility

water: soluble 3.8 g/L at 20 °C

density

0.767 g/mL at 25 °C (lit.)

SMILES string

CCCCNCCCC

InChI

1S/C8H19N/c1-3-5-7-9-8-6-4-2/h9H,3-8H2,1-2H3

InChI key

JQVDAXLFBXTEQA-UHFFFAOYSA-N

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General description

Dibutylamine is a highly reactive catalyst, commonly used as a reagent in the derivatization of isocyanates.

Application

Dibutylamine can be used as a reactant to synthesize:,·      
  • N, N




  • -Dibutyl-4-methylaniline by Pd-catalyzed Buchwald-Hartwig amination reaction with aryl chlorides and bromides.     
  • N,N-Dibutylacetamide by acetylation reaction with isopropenyl acetate.

It can also be used as:      
  • A strong hindered base in the different elimination reactions.
  • An organocatalyst to synthesize annulated pyrano[2,3-d]pyrimidine derivatives via multicomponent condensation reaction of aromatic aldehydes, malononitrile, and barbituric acid.

Signal Word

Danger

Hazard Statements

H226,H302,H311,H314,H330

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

104.9 °F - closed cup

Flash Point(C)

40.5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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