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T24503

Sigma-Aldrich

Tetramethylurea

99%

동의어(들):

1,1,3,3-Tetramethylurea, TMU

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About This Item

Linear Formula:
(CH3)2NCON(CH3)2
CAS Number:
632-22-4
Molecular Weight:
116.16
Beilstein:
773898
EC Number:
211-173-9
MDL number:
MFCD00008319
UNSPSC 코드:
12352100
PubChem Substance ID:
24900039
NACRES:
NA.22

Quality Level

200

분석

99%

refractive index

n20/D 1.451 (lit.)

bp

177 °C (lit.)
62-63 °C/12 mmHg (lit.)

mp

−1 °C (lit.)

density

0.968 g/mL at 20 °C (lit.)

SMILES string

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

InChI

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

InChI key

AVQQQNCBBIEMEU-UHFFFAOYSA-N

유전자 정보

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

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관련 카테고리

애플리케이션

  • 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).

픽토그램

Health hazardCorrosionExclamation mark
GHS08,GHS05,GHS07

신호어

Danger

유해 및 위험 성명서

H302,H315,H318,H360D

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Flash Point (°F)

167.0 °F - closed cup

Flash Point (°C)

75 °C - closed cup

개인 보호 장비

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

가장 최신 버전 중 하나를 선택하세요:

시험 성적서(COA)

Lot/Batch Number
WXBD5471V
WXBD4845V
WXBD3919V
BCCC9251
WXBD0989V

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1,3-Dimethyl-2-imidazolidinone absolute, over molecular sieve (H2O ≤0.04%), ≥99.5% (GC)

Sigma-Aldrich

40725

1,3-Dimethyl-2-imidazolidinone

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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