Special Cyano Complex
Cupric ferrocyanide
Synonyms: hexacyanoferrate(4-)dicopper(2+); cupric hexacyanoferrate(II);
CAS No.: [13601-13-3]
EINECS NO.: 237-080-3
Molecular Formula and Weight:C6Cu2FeN6=339.05.
Heptahydrate:Cu2[Fe(CN)6]·7H2O =465.15
Nature : red-brown powder. Heat to 120 ° C above decomposition. Can soluble nitrate, ammonium hydroxide and potassium cyanide solution. Do not dissolve in water and acid. Toxic! By copper cyanide ion complexation with the ferrous form
hexacyanoferrate copper, obtained by the separation. Glazed pottery and for the camera.
Specification:
Item |
Index % |
Appearance |
Reddish-brown powder |
Content [Cu2Fe(CN)6·7H2O] |
≥98 |
Sulphate [ SO42- ] |
≤0.5 |
Chloride[CL] |
≤0.5 |
Application: As pigment; in photographic toning baths; to lower electric resistance of soil and electrode-to-soil contacts.
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