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Sigma-Aldrich

Chromium(III) nitrate nonahydrate

99%

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About This Item

Formule linéaire :
Cr(NO3)3 · 9H2O
Numéro CAS:
Poids moléculaire :
400.15
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352302
ID de substance PubChem :
Nomenclature NACRES :
NA.55
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Niveau de qualité

Essai

99%

Forme

crystals or chunks

Pertinence de la réaction

reagent type: catalyst
core: chromium

pH

2-3 (20 °C, 50 g/L)

Pf

60 °C (lit.)

Chaîne SMILES 

[Cr+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Cr.3NO3.9H2O/c;3*2-1(3)4;;;;;;;;;/h;;;;9*1H2/q+3;3*-1;;;;;;;;;

Clé InChI

GVHCUJZTWMCYJM-UHFFFAOYSA-N

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Description générale

Chromium (III) nitrate nonahydrate is a hydrated chromium salt. It is commonly used as a chromium source in the organic synthesis.

Application

Chromium (III) nitrate nonahydrate (Cr (NO3)3.9H2O) may be used in the:
  • Synthesis of nanosized chromium (Cr2O3) oxide by thermal decomposition method.
  • Preparation of chromium (III) based Ziegler-Natta catalysts for the polymerization of ethylene.
  • Synthesis of highly porous coordination polymer MIL-101.

Pictogrammes

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Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Aquatic Chronic 3 - Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - Skin Sens. 1B

Code de la classe de stockage

5.1B - Oxidizing hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Consulter la Bibliothèque de documents

Milka O Montes-Holguin et al.
Environmental toxicology and chemistry, 25(1), 220-226 (2006-02-24)
The objective of the present study was to determine the oxidative stress caused by hexavalent chromium (Cr[VI]), the chromium (Cr) uptake, and the Cr speciation in Convolvulus arvensis L. plants grown in hydroponics media containing either Cr(VI) or Cr(III). The
Interconversion of CrO2 formed by decomposition of chromium (III) nitrate nonahydrate.
Maciejewski M, et al.
Journal of Solid State Chemistry, 119(1), 13-23 (1995)
Metallic and bimetallic nanocatalysts incorporated into highly porous coordination polymer MIL-101.
El-Shall M, et al.
Journal of Materials Chemistry, 19(41), 7625-7631 (2009)
Michael A Idachaba et al.
Journal of hazardous materials, 96(2-3), 331-340 (2002-12-21)
An evaluation of the effect of differences in chromium nitrate to cement ratio on the microbial stability of a chromium nitrate/cement waste form, as reflected in the leaching of chromium, calcium, magnesium and aluminum; was carried out in this study.
D M Stearns et al.
Biochemistry, 34(3), 910-919 (1995-01-24)
Chromium(VI) is a known human carcinogen which requires intracellular reduction for activation. Ascorbate (vitamin C) has been reported to function as a major reductant of Cr(VI) in animals and cell culture systems. The reaction of Cr(VI) with varying concentrations of

Questions

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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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