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 Special Cyano Complex
Cupric ferrocyanide
Synonyms: hexacyanoferrate(4-)dicopper(2+); cupric hexacyanoferrate(II);
CAS №: [13601-13-3] EINECS: 237-080-3
Molecular Formula and Weight：C6Cu2FeN6=339.05.
Heptahydrate:Cu2[Fe(CN)6]·7H2O =465.15 CAS №：[14840-55-2]
Properties: Reddish-brown powder or cubic crystals; ppts as a colloid or gel. Practically insol in water, dil acids, most organic solvents. Sol in NH4OH, solns of alkali cyanides.
Specification：
| Item |
Index % |
Appearance |
Reddish-brown powder |
Content [Cu2Fe(CN)6·7H2O] |
≥98 |
Sulphate [ SO42- ] |
1.0 |
Chloride[CL] |
0.5 |
TSCA Registered:yes
Application: As pigment; in photographic toning baths; to lower electric resistance of soil and electrode-to-soil contacts. |
