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Sigma-Aldrich

Chromium(III) nitrate nonahydrate

99%

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About This Item

Formula condensata:
Cr(NO3)3 · 9H2O
Numero CAS:
7789-02-8
Peso molecolare:
400.15
Numero CE:
236-921-1
Numero MDL:
MFCD00149659
Codice UNSPSC:
12352302
ID PubChem:
329752522
NACRES:
NA.55

Livello qualitativo

200

Saggio

99%

Forma fisica

crystals or chunks

Impiego in reazioni chimiche

reagent type: catalyst
core: chromium

pH

2-3 (20 °C, 50 g/L)

Punto di fusione

60 °C (lit.)

Stringa SMILE

[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;;;;;;;;;
GVHCUJZTWMCYJM-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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

Applicazioni

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.

Pittogrammi

Flame over circleExclamation mark
GHS03,GHS07

Avvertenze

Warning

Indicazioni di pericolo

H272,H315,H317,H319,H412

Classi di pericolo

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

Codice della classe di stoccaggio

5.1B - Oxidizing hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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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)
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
B Gammelgaard et al.
Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS), 13(1-2), 82-88 (1999-08-13)
The purpose of these studies was to compare the in vitro absorption of two inorganic chromium(III) compounds: chromium chloride and chromium nitrate, with organic chromium(III)-picolinate; and to investigate if any in vitro metabolism of chromium(VI) takes place. The in vitro
Raquibul Alam et al.
Environmental monitoring and assessment, 154(1-4), 127-133 (2008-06-17)
The physical, chemical and biological characteristics of the wastewater of Natural Gas Fertilizer Factory Ltd. Fenchuganj, Sylhet were determined through extensive laboratory tests in the months of March, July, October and December of the year 2005. Concentration of Suspended Solids
S Ueno et al.
The Kitasato archives of experimental medicine, 63(1), 49-57 (1990-04-01)
In order to study the difference of uptake and distribution between hexavalent (Cr6+) and trivalent (Cr3+) chromium in isolated rat hepatocytes, the cells were incubated with Cr6+ or Cr3+ (1 mM Cr) at 37 degrees C for up to 60
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