Informativa e consenso per l'uso dei cookie

Accetto Il nostro sito salva piccoli pezzi di informazioni (cookie) sul dispositivo, al fine di fornire contenuti migliori e per scopi statistici. È possibile disattivare l'utilizzo di cookies modificando le impostazioni del tuo browser. Continuando la navigazione si acconsente all'utilizzo dei cookie.

1308-38-9 - Chromium(III) oxide, Puratronic®, 99.97% (metals basis) - 10688 - Alfa Aesar

10688 Chromium(III) oxide, Puratronic®, 99.97% (metals basis)

Codice CAS
1308-38-9
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
5g 38,70
25g 128,00
100g 363,00
500g 1407,00
Aggiungi al carrello Aggiungi al preventivo generale Visualizza articolo

Chromium(III) oxide, Puratronic®, 99.97% (metals basis)

MDL
MFCD00010949
EINECS
215-160-9

Proprietà chimiche

Formula
Cr2O3
Peso formula
151.99
Modulo
-22 Mesh Powder
Punto di fusione
2435°
Punto di ebollizione
3000°
Densità
5.22
Indice di rifrazione
2.551
Solubilità
Insoluble in water, alcohol, acetone, alkalies and acids.

Applicazioni

Also known as green compound for buffing and polishing, it can be used as abrasives. Apart from being used as a precursor to the magnetic pigment viz., chromium dioxide, it is used in inks, glasses, and pigments (viridian). They are employed as plating agents and surface treating agents. It is a catalyst in the Phillips process of manufacture of high density polythene.

Note

Hygroscopic. Stored in a tightly closed container. On heating it becomes brown, while on cooling it turns dark green in color.

Letteratura

Zhang, D.; Li, X.; Qin, B.; Li, X.; Guo, X.; Lai, C. Fabrication of Chromium (III) Oxide (Cr2O3) Coating by Electrophoretic Deposition. J. Am. Ceramic Soc. 2014, 97 (11), 3413-3417.

Lennartson, A. The colours of chromium. Nat. Chem. 2014, 6, 942.

Wiśniewska, M.; Szewczuk-Karpisz, K. Removal possibilities of colloidal chromium (III) oxide from water using polyacrylic acid. Environ. Sci. Pollut. Res. Int. 2013, 20 (6), 3657-3669.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H302-H332-H317

Harmful if swallowed. Harmful if inhaled. May cause an allergic skin reaction.

Dichiarazioni precauzionali: P261-P280-P264-P304+P340-P301+P312-P312-P363-P321-P333+P313-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Specific treatment (see label). If skin irritation or rash occurs: Get medical advice/attention. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,2234
Codice tariffe armonizzato
2819.90
TSCA
Yes
RTECS
GB6475000

Raccomandato

  • 10716

    Iron(III) oxide, Puratronic®, 99.998% (metals basis)
  • 10805

    Manganese(IV) oxide, Puratronic®, 99.996% (metals basis)
  • 10838

    Potassium carbonate, Puratronic®, 99.997% (metals basis)
  • 10861

    Sodium carbonate, anhydrous, Puratronic®, 99.997% (metals basis)
  • 10897

    Titanium(IV) oxide, Puratronic®, 99.995% (metals basis)

Visualizzati di recente

Prodotti chimici

Scienze della vita

Metalli e materiali

Catalizzatori

Apparecchiature di analisi e di laboratorio