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Dirubidiumdichromat
RUBIDIUM CHLOMATE · RUBIDIUMBICHROMATE · RUBIDIUM DICHROMATE · dirubidiumdichromate · RUBIDIUM DICHROMATE, 99.9% · Dichromic acid dirubidium salt · chromicacid(h2cr2o7),dirubidiumsalt · dichromicacid(h2cro7),dirubidiumsalt
Identifikatoren & physikalische Daten
| CAS No. | 13446-73-6 |
|---|---|
| Summenformel | Cr2O7Rb2 |
| Durchschnittliche Molmasse | 386,92 g/mol |
| Monoisotopische Masse | 385,668991 g/mol |
| SMILES | [O]=[Cr](=[O])([O-])[O][Cr](=[O])(=[O])[O-].[Rb+].[Rb+] |
| InChIKey | XCKVUBJBAQQSCF-UHFFFAOYSA-N |
| PubChem CID | 61606 |
| EC No. | 236-602-7 |
| DTXSID | DTXSID50158727 |
| Lokaler Name | Dirubidiumdichromat |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 124 |
|---|---|
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 7 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 11 |
| Formalladung | 0 |
| Komplexität | 194 |
| Stoffklassen | Metals -> Chromium Compounds, Inorganic |
| Physical Description | Sodium dichromate is soluble in water |
| Dichte | monocl: 3.021tricl: 3.125 [CRC10] [LAN05] |
| Löslichkeit | soluble in H2Omonocl: g/100g H2O: 5.9 (20°C), 10.0 (30°C), 15.2 (40°C), 32.3 (60°C)tricl: 5.8 (20°C), 9.5 (30°C), 14.8 (40°C), 32.4 (60°C) [LAN05] |
| Farbe | red triclinic or yellow monoclinic crystals, crystalline |
| CAS Datenbank | 13446-73-6 |
Sicherheit & Vorschriften
| Gefahrenübersicht | See Rubidium. See Potassium dichromate. See Chromium and linked occupational diseases. |
|---|---|
| Threshold Limit Values (TLV) | 0.0001 [mg/m3], as Cr(VI), inhalable particulate matter0.0005 [mg/m3], as Cr(VI), inhalable particulate matter |
| Permissible Exposure Limit (PEL) | 0.005 [mg/m3], as Cr(VI) |
| Unerwünschte Wirkungen | Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation. |
| UN-Transportnummer | 3084 |
| Gefahrenklasse | 8 |
| Verpackungsgruppe | II |
Herstellung & Synthese
synthetische
Rubidium dichromate is obtained by evaporation of stoichiometric mixtures of Rb2CO3 (or RbOH) and CrO3.