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T24503

Sigma-Aldrich

Tetramethylurea

99%

Sinônimo(s):

1,1,3,3-Tetramethylurea, TMU

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R$ 189,00
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About This Item

Fórmula linear:
(CH3)2NCON(CH3)2
Número CAS:
632-22-4
Peso molecular:
116.16
Beilstein:
773898
Número CE:
211-173-9
Número MDL:
MFCD00008319
Código UNSPSC:
12352100
ID de substância PubChem:
24900039
NACRES:
NA.22

R$ 189,00

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Nível de qualidade

200

Ensaio

99%

índice de refração

n20/D 1.451 (lit.)

p.e.

177 °C (lit.)
62-63 °C/12 mmHg (lit.)

pf

−1 °C (lit.)

densidade

0.968 g/mL at 20 °C (lit.)

cadeia de caracteres SMILES

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

InChI

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

chave InChI

AVQQQNCBBIEMEU-UHFFFAOYSA-N

Informações sobre genes

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

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Categorias relacionadas

Aplicação

  • 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).

Palavra indicadora

Danger

Frases de perigo

H302,H315,H318,H360D

Classificações de perigo

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

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

167.0 °F - closed cup

Ponto de fulgor (°C)

75 °C - closed cup

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
WXBF1291V
WXBF1591V
WXBD8401V
WXBD5471V
WXBD4845V

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Sigma-Aldrich

40725

1,3-dimetil-2-imidazolidinona

Yoshikata Koga et al.
The journal of physical chemistry. B, 115(12), 2995-3002 (2011-03-10)
We have developed what we call the 1-propanol(1P) probing methodology. By using it, we determined the relative hydrophobicity/hydrophilicity indices of 2-butoxyethanol, a typical hydrophobe; urea, a typical hydrophile; and trimethylamine-N-oxide, an amphiphile. By comparing these indices with those for other
Kamila Mazur et al.
The journal of physical chemistry. B, 115(11), 2563-2573 (2011-03-02)
The nature and extent of the effects that hydrophilic and hydrophobic solutes have on the dynamics of water molecules continues to be an area of intense experimental and theoretical investigation. In this work, we use the ultrafast optical Kerr effect
Haiyan Wei et al.
The journal of physical chemistry. B, 114(1), 557-568 (2009-11-26)
The effects of urea, tetramethyl urea (TMU), and trimethylamine N-oxide (TMAO) on the structure and dynamics of aqueous solutions are studied using molecular dynamics simulations. It was found that urea has little effects on the water-water hydrogen-bond length and angle
M Mantle et al.
Infection and immunity, 62(4), 1219-1227 (1994-04-01)
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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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