Statements (54)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
bright orange-red crystalline solid
|
| gptkbp:aroma |
odorless
|
| gptkbp:carcinogenic |
true
|
| gptkbp:CASNumber |
7778-50-9
|
| gptkbp:chemicalFormula |
K2Cr2O7
|
| gptkbp:chromium_oxidation_state |
+6
|
| gptkbp:color |
gptkb:orange
|
| gptkbp:component |
gptkb:Fehling's_solution
gptkb:Benedict's_reagent chromic acid cleaning solution |
| gptkbp:cookingMethod |
by reacting potassium chloride with sodium dichromate
by oxidation of potassium chromate |
| gptkbp:decaysTo |
gptkb:chromium(III)_oxide
oxygen potassium chromate |
| gptkbp:density |
2.676 g/cm³
|
| gptkbp:EC_number |
231-906-6
|
| gptkbp:GHSClassification |
environment
skull and crossbones health hazard |
| https://www.w3.org/2000/01/rdf-schema#label |
potassium dichromate
|
| gptkbp:IUPACName |
gptkb:potassium_dichromate
|
| gptkbp:meltingPoint |
398 °C (decomposes)
|
| gptkbp:molecularWeight |
294.185 g/mol
|
| gptkbp:NFPA704 |
flammability: 0
health: 3 instability: 1 |
| gptkbp:oxidizing_agent |
true
|
| gptkbp:pH |
~4
|
| gptkbp:PubChem_CID |
24502
|
| gptkbp:riskFactor |
gptkb:cancer
toxic corrosive oxidizer environmental hazard H350 (May cause cancer) H400 (Very toxic to aquatic life) H340 (May cause genetic defects) H372 (Causes damage to organs through prolonged or repeated exposure) |
| gptkbp:solubility |
soluble in water
4.9 g/100 mL (20 °C) insoluble in alcohol |
| gptkbp:toxicity |
true
|
| gptkbp:UNNumber |
UN 3288
|
| gptkbp:uses |
photography
dyeing leather tanning laboratory reagent oxidizing agent wood staining cleaning glassware |
| gptkbp:bfsParent |
gptkb:IUPAC_nomenclature
|
| gptkbp:bfsLayer |
6
|