Technical chromic anhydride [1333-82-0]
Chromic anhydride is used in the production of other chromic substances, the formulation of preparations used e.g. in metal finishing or as a catalyst, surface treatment with e.g. functional and decorative galvanization, passivation (corrosion resistance).
Physical state: solid
Odor: no smell
pH: 1 (10 g / l H2O, 20 ° C)
Melting point: 196 ° C
Boiling point: decomposition
Auto-ignition temperature: not applicable
Flash point: not applicable
Explosion limits: not applicable:
Vapor pressure: not applicable
Density: 2.7 g / cm3 (20 ° C)
Bulk weight: 1400 kg / m3
in water: 62.5% (20 ° C)
solubility in other solvents: dissolves in acetone and acetic acid.
Labels for hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosivity, the pictogram exclamation mark should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.
Source: GHS pictograms