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Key Documents

379972

Sigma-Aldrich

Chromium(III) nitrate nonahydrate

≥99.99% trace metals basis

Synonym(s):

Chromium nitrate nonahydrate, Chromium trinitrate nonahydrate

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About This Item

Linear Formula:
Cr(NO3)3 · 9H2O
CAS Number:
Molecular Weight:
400.15
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Assay

≥99.99% trace metals basis

form

crystalline

impurities

≤100.0 ppm Trace Metal Analysis

mp

60 °C (lit.)

solubility

H2O: very soluble(lit.)

density

1.80 g/mL (lit.)

SMILES string

[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;;;;;;;;;

InChI key

GVHCUJZTWMCYJM-UHFFFAOYSA-N

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Application

Chromiun (III) nitrate nonahydrate may be used to prepare chromium oxide nanoparticles by thermal decomposition.

Pictograms

Flame over circleExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Original synthesis of chromium (III) oxide nanoparticles
Gibot P & Vidal L.
J. Eur. Ceram. Soc., 30.4, 911-915 (2010)
A Johansson et al.
Environmental research, 39(2), 372-385 (1986-04-01)
Rabbits inhaled aerosols of hexavalent chromium (Na2CrO4) and trivalent chromium (Cr(NO3)3) at concentrations of 0.9 and 0.6 mg/m3 of the metal, respectively, for 4-6 weeks (5 days/week and 6 hr/day). Significantly more macrophages were obtained from the lungs of rabbits
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
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

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