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Principaux documents

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07-6061

Sigma-Aldrich

Eau

Synonyme(s) :

Water

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About This Item

Formule linéaire :
H2O
Numéro CAS:
7732-18-5
Poids moléculaire :
18.02
Beilstein:
2050024
Numéro CE :
231-791-2
Numéro MDL:
MFCD00011332
Code UNSPSC :
50202301
ID de substance PubChem :
329748491
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Forme

liquid

Disponibilité

available only in Japan

Indice de réfraction

n20/D 1.34 (lit.)

pH

6.0-8.0 (25 °C)

pb

100 °C (lit.)

Pf

0 °C (lit.)

Densité

1.000 g/mL at 3.98 °C (lit.)

Chaîne SMILES 

O

InChI

1S/H2O/h1H2

Clé InChI

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
K1537
K1488
K0450
K8448
K6453

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Si vous avez besoin d'une version particulière, vous pouvez rechercher un certificat spécifique par le numéro de lot.

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Anthony W D'Amato et al.
Ecological applications : a publication of the Ecological Society of America, 23(8), 1735-1742 (2014-02-22)
Reducing tree densities through silvicultural thinning has been widely advocated as a strategy for enhancing resistance and resilience to drought, yet few empirical evaluations of this approach exist. We examined detailed dendrochronological data from a long-term (> 50 years) replicated
Steven Brantley et al.
Ecological applications : a publication of the Ecological Society of America, 23(4), 777-790 (2013-07-20)
Infestation of eastern hemlock (Tsuga canadensis (L.) Carr.) with hemlock woolly adelgid (HWA, Adelges tsugae) has caused widespread mortality of this key canopy species throughout much of the southern Appalachian Mountains in the past decade. Because eastern hemlock is heavily
Karen Bakker et al.
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 371(2002), 20130116-20130116 (2013-10-02)
Water governance is critical to water security, and to the long-term sustainability of the Earth's freshwater systems. This review examines recent debates regarding the governance dimensions of water security, including adaptive governance, polycentric governance, social learning and multi-level governance. The
Liming Zhou et al.
Nature, 509(7498), 86-90 (2014-04-25)
Tropical forests are global epicentres of biodiversity and important modulators of climate change, and are mainly constrained by rainfall patterns. The severe short-term droughts that occurred recently in Amazonia have drawn attention to the vulnerability of tropical forests to climatic
Katrin Linke et al.
Biochimica et biophysica acta, 1837(1), 14-32 (2013-08-28)
Water is clearly important for the functioning of Photosystem II (PSII). Apart from being the very substrate that needs to be transported in this water oxidation enzyme, water is also vital for the transport of protons to and from the
Afficher tous les articles scientifiques apparentés

Questions

1–2 of 2 Questions  

  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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