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Documenti fondamentali

T24503

Sigma-Aldrich

Tetramethylurea

99%

Sinonimo/i:

1,1,3,3-Tetramethylurea, TMU

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About This Item

Formula condensata:
(CH3)2NCON(CH3)2
Numero CAS:
Peso molecolare:
116.16
Beilstein:
773898
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.22

Saggio

99%

Indice di rifrazione

n20/D 1.451 (lit.)

P. ebollizione

177 °C (lit.)
62-63 °C/12 mmHg (lit.)

Punto di fusione

−1 °C (lit.)

Densità

0.968 g/mL at 20 °C (lit.)

Stringa SMILE

CN(C)C(=O)N(C)C

InChI

1S/C5H12N2O/c1-6(2)5(8)7(3)4/h1-4H3
AVQQQNCBBIEMEU-UHFFFAOYSA-N

Informazioni sul gene

human ... EPHX2(2053)
mouse ... Ephx2(13850)

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Applicazioni

  • Role of Tetramethylurea in Synthesizing Mesoporous Alumina: Tetramethylurea was used to synthesize mesoporous alumina via a hydrothermal method, affecting pore structure and thermal stability (Ghosh et al., 2014).

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Irrit. 2

Codice della classe di stoccaggio

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

167.0 °F - closed cup

Punto d’infiammabilità (°C)

75 °C - closed cup

Dispositivi di protezione individuale

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


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Artem A Bakulin et al.
Accounts of chemical research, 42(9), 1229-1238 (2009-08-18)
For decades, the enigma of the hydrophobic force has captured the imagination of scientists. In particular, Frank and Evans' idea that the hydrophobic effect was mainly due to some kind of "iceberg" formation around a hydrophobic solute stimulated many experiments
Marcelo A da Silva et al.
Biophysical chemistry, 99(2), 169-179 (2002-10-16)
Semi-solid viscoelastic matrices produced out of lysozyme in organic/aqueous media [tetramethylurea (TMU)/water] were characterized by small angle X-ray scattering (SAXS). The scattering curves were modeled in their form and interference factors. Radii of gyration of scattering particles were found to
Marcelo A da Silva et al.
Biophysical chemistry, 99(2), 129-141 (2002-10-16)
Rheological properties of lysozyme viscoelastic matrices resulting from a sol-gel transition taking place in organic/aqueous media at room temperature were investigated. Gel-like structures, of transparent appearance, developed out of lysozyme (5.0 mmol/dm(3)) dispersed in tetramethylurea (TMU)/water binary mixtures, at TMU
Y L A Rezus et al.
The journal of physical chemistry. A, 112(11), 2355-2361 (2008-02-16)
We use mid-infrared pump-probe spectroscopy to study the ultrafast dynamics of HDO molecules in mixtures of tetramethylurea (TMU) and water. The composition of the studied solutions ranges from pure water to an equimolar mixture of water and TMU. We find
Y L A Rezus et al.
Physical review letters, 99(14), 148301-148301 (2007-10-13)
We have used femtosecond midinfrared spectroscopy to study the orientational mobility of water molecules in the hydration shells of hydrophobic groups. Our results show that hydrophobic groups are surrounded by a number of water molecules that display much slower orientational

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