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34490

Sigma-Aldrich

Dibutylamine

puriss., ≥99.0% (GC)

Sinónimos:

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

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About This Item

Fórmula lineal:
(CH3CH2CH2CH2)2NH
Número de CAS:
111-92-2
Peso molecular:
129.24
Beilstein:
506001
Número CE:
203-921-8
Número MDL:
MFCD00009429
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
329754984
NACRES:
NA.22

densidad de vapor

4.46 (vs air)

Nivel de calidad

200

presión de vapor

1.9 mmHg ( 20 °C)

grado

puriss.

Ensayo

≥99.0% (GC)

temp. de autoignición

594 °F

lim. expl.

10 %

índice de refracción

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

bp

159 °C (lit.)

mp

−62 °C (lit.)

solubilidad

water: soluble 3.8 g/L at 20 °C

densidad

0.767 g/mL at 25 °C (lit.)

grupo funcional

amine

cadena SMILES

CCCCNCCCC

InChI

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

Clave InChI

JQVDAXLFBXTEQA-UHFFFAOYSA-N

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Aplicación

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.

Palabra de señalización

Danger

Frases de peligro

H226,H302,H311,H314,H330

Clasificaciones de peligro

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

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

104.9 °F - closed cup

Punto de inflamabilidad (°C)

40.5 °C - closed cup

Equipo de protección personal

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

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Certificados de análisis (COA)

Lot/Batch Number
BCCH3503
BCCG6831
BCCF5564
BCCD8695
BCCB1427

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4,4′-Methylenebis(phenyl isocyanate) 98%

Sigma-Aldrich

256439

4,4′-Methylenebis(phenyl isocyanate)

Triethylamine ≥99%

Sigma-Aldrich

T0886

Triethylamine

Tolueno anhydrous, 99.8%

Sigma-Aldrich

244511

Tolueno

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
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
J T Fitzsimons et al.
Comparative biochemistry and physiology. A, Comparative physiology, 93(1), 285-290 (1989-01-01)
1. Ultrastructural changes in liver tissue of mice fed nitrosamine precursors, dibutylamine and nitrite, were observed. 2. The protective effect of soyabean in a diet containing nitrosamine precursors was demonstrated. 3. Liver tissue was examined to investigate the anticarcinogenicity of
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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