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34490

Sigma-Aldrich

Dibutylamin

puriss., ≥99.0% (GC)

Synonym(e):

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

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About This Item

Lineare Formel:
(CH3CH2CH2CH2)2NH
CAS-Nummer:
111-92-2
Molekulargewicht:
129.24
Beilstein:
506001
EG-Nummer:
203-921-8
MDL-Nummer:
MFCD00009429
UNSPSC-Code:
12352100
PubChem Substanz-ID:
329754984
NACRES:
NA.22

Dampfdichte

4.46 (vs air)

Qualitätsniveau

200

Dampfdruck

1.9 mmHg ( 20 °C)

Qualität

puriss.

Assay

≥99.0% (GC)

Selbstzündungstemp.

594 °F

Expl.-Gr.

10 %

Brechungsindex

n20/D 1.417 (lit.)
n20/D 1.417

bp

159 °C (lit.)

mp (Schmelzpunkt)

−62 °C (lit.)

Löslichkeit

water: soluble 3.8 g/L at 20 °C

Dichte

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

InChIKey

JQVDAXLFBXTEQA-UHFFFAOYSA-N

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Anwendung

Dibutylamine was employed as organocatalyst during the synthesis of 2-amino-3-cyano-4H-chromen-4-ylphosphonates via Knoevenagel, Pinner and phospha-Michael reactions. Di-n-butylamine (Dibutylamine) may be used to investigate the performance of a dry sampler, with an impregnated denuder in series with a glass fibre filter for airborne isocyanates. It was used in the preparation of 1M dibutylammonium phosphate buffer.

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 1

Flammpunkt (°F)

104.9 °F - closed cup

Flammpunkt (°C)

40.5 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Analysenzertifikate (COA)

Lot/Batch Number
BCCH3503
BCCG6831
BCCF5564
BCCD8695
BCCB1427

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4,4′-Methylen-bis(phenylisocyanat) 98%

Sigma-Aldrich

256439

4,4′-Methylen-bis(phenylisocyanat)

Triethylamin ≥99%

Sigma-Aldrich

T0886

Triethylamin

Toluol anhydrous, 99.8%

Sigma-Aldrich

244511

Toluol

Reddi Mohan Naidu Kalla et al.
European journal of medicinal chemistry, 76, 61-66 (2014-02-27)
A series of 2-amino-3-cyano-4H-chromen-4-ylphosphonates have been synthesized by reacting substituted salicylaldehydes, malononitrile, and dialkylphosphites using a catalytic amount of dibutylamine as an organocatalyst employing Knoevenagel, Pinner, and phospha-Michael reactions simultaneously in ethanol. This protocol is an environmentally friendly procedure and
Daniel Gylestam et al.
The Annals of occupational hygiene, 58(1), 28-49 (2013-08-21)
The performance of a dry sampler, with an impregnated denuder in series with a glass fibre filter, using di-n-butylamine (DBA) for airborne isocyanates (200ml min(-1)) is investigated and compared with an impinger flask with a glass fibre filter in series
C M Stobba-Wiley et al.
Journal of AOAC International, 83(4), 837-846 (2000-09-20)
A method was developed and validated for determination and quantitation of tilmicosin residues in swine, cattle, and sheep edible tissues, as well as chicken fat, skin, and muscle over a concentration range of 0.025 microg/g-20 microg/g. For chicken kidney and
Baiyi Xue et al.
Journal of mass spectrometry : JMS, 46(7), 689-695 (2011-07-12)
Characterization of glycosaminoglycans poses a challenge for current analytical techniques, as they are highly acidic, polydisperse and heterogeneous compounds. The purpose of this study is the separation and analysis of a partially depolymerized heparin-like glycosaminoglycan by on-line ion-pairing reversed-phase high-performance
Er Bei et al.
Water research, 183, 116055-116055 (2020-07-06)
N-nitrosodimethylamine (NDMA) as one emerging disinfection by-product has been investigated globally since 1990s. However, its main precursors are still unclear. We found that NDMA formation potential (NDMAFP) of various water samples increased firstly and then decreased gradually during incubation with
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Knoevenagel Condensation Reaction

Knoevenagel Condensation is an organic reaction named after Emil Knoevenagel. It is a classic C-C bond formation reaction and a modification of the Aldol Condensation.

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