Detail of > 1308-38-9
- MSDS Download
- CAS Number:
- 1308-38-9
- Name:
Chromium oxide
- Formula:
- Cr2O3
- Molecular Structure:
- Synonyms:
- Chromium sesquioxide;Chromia;Chrome green;Eskolaite;Dichromium trioxide;Chromium(III) oxide;
- Molecular Weight:
- 151.99
- EINECS:
- 215-160-9
- Density:
- 5.22 g/cm3
- Melting Point:
- 2435 °C, 2708 K, 4415 °F
- Boiling Point:
- 4000 °C, 4273 K, 7232 °F
- Flash Point:
- 3000 °C
- Solubility:
- insoluble in water and soluble in acids
- Appearance:
- green crystalline powder
- Safety:
- 24/25Details
- Deleted CAS:
- 12689-83-7|144855-63-0|164057-73-2|165589-75-3|185464-26-0|196696-68-1|294202-64-5|499126-69-1
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Reference
- Hydration of ethylene and isobutylene on high-silica zeolites
- Hydration of ethylene and isobutylene on high-silica zeolites. Tolkacheva, L. N.; Novikova, L. A.; Plakhotnik, V. A.; Danyushevskii, V. Ya.; Mortikov, E. S.; Minachev, Kh. M. (Inst.Several reagents with their cas registry numbers 1308-38-9 and 115-11-7 are used here. Org. Khim. im. Zelinskogo, Moscow, USSR). Neftekhimiya, 23(6), 803-7 (Russian) 1983. CODEN: NEFTAH. ISSN: 0028-2421. DOCUMENT TYPE: Journal CA Section: 45 (Industrial Organic Chemicals, Leather, Fats, and Waxes) Section cross-reference(s): 23, 67 Max. catalytic activity of high-silica zeolite HZSM-5 and dealuminated Y in hydration of isobutylene [115-11-7] was 1.16 and 2 kg/(kg zeolite-h), resp., as compared to 0.39 kg/(kg/zeolite-h) for low-silica Y zeolite. Similar results were obtained for C2H4 [74-85-1]. Replacement of H+ in HZSM-5 zeolite by Cr+3 alone or together with modification by 1-5% Cr2O3 diminished carbonization and reduced the temp. required to burn off the coke. Hydration was carried out at 150-320°, alkene-H2O mol ratio 1:0.3-2, and alkene space velocity 1740-6970 h-1 and yielded ￡10.7 mol % alcs. .
- Effect of the composition of vanadium-containing converter slags on their oxidation and the recovery of vanadium
- Effect of the composition of vanadium-containing converter slags on their oxidation and the recovery of vanadium.Some chemicals with cas registry numbers like 1314-34-7 and 1308-38-9 are also used. Vatolin, N. A.; Moleva, N. G.; Volkova, P. I. (Inst. Metall., Sverdlovsk, USSR). Kompleksn. Ispol'z. Miner. Syr'ya, (11), 35-9 (Russian) 1983. CODEN: KIMSDD. DOCUMENT TYPE: Journal CA Section: 54 (Extractive Metallurgy) Industrial converter slags were evaluated by thermogravimetry for V recovery by oxidn. and leaching. Oxidn. of V2O3 to V2O5 at high temp. was promoted by a smaller particle size of the powd. slag. The effect of slag compn. on V2O5 oxidn. was detd. Leaching losses of V increased at the higher content of Cr2O3 or excess Na2O, and by the impaired filtration of fines from the leaching slurry. .
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