239259

Chromium(III) nitrate nonahydrate

99%

• Linear Formula: Cr(NO₃)₃ · 9H₂O
• CAS Number: 7789-02-8
• Molecular Weight: 400.15
• EC Number: 236-921-1
• MDL number: MFCD00149659
• UNSPSC Code: 12352302
• PubChem Substance ID: 329752522
• NACRES: NA.55

Properties

• Quality Level: 200
• assay: 99%
• form: crystals or chunks
• reaction suitability: reagent type: catalyst; core: chromium
• pH: 2-3 (20 °C, 50 g/L)
• mp: 60 °C (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

Description

General description

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.

Safety Information

• pictograms: GHS03,GHS07
• signalword: Warning
• hcodes: H272,H315,H317,H319,H412
• pcodes: P210 - P220 - P273 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - Skin Sens. 1B
• Storage Class: 5.1B - Oxidizing hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable