Tripotassium hexacyanoferrate (-3) Potassium cyanoferrate Potassium ferricyanate Iron potassium cyanide
CAS No: 13746-66-2 RTECS No: LJ8225000
C6FeK3N6 / K3Fe(CN)6 Molecular mass: 329.25
TYPES OF HAZARD / EXPOSURE
ACUTE HAZARDS / SYMPTOMS
PREVENTION
FIRE FIGHTING
FIRE
Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.
In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION
EXPOSURE
Inhalation
Cough. Sore throat.
Avoid inhalation of dust.
Fresh air, rest.
Skin
Redness. Pain.
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes
Redness. Pain.
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Abdominal pain. Nausea. Vomiting.
Do not eat, drink, or smoke during work.
Rinse mouth. Give plenty of water to drink.
SPILLAGE DISPOSAL
PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. (Extra personal protection: P2 filter respirator for harmful particles.)
EMERGENCY RESPONSE
STORAGE
Separated from acids. Dry.
IMPORTANT DATA
Physical State; Appearance RED CRYSTALLINE POWDER
Chemical dangers The substance decomposes on heating producing toxic gases including hydrogen cyanide. Reacts with acids, to produce cyanides, causing toxic hazard.
Occupational exposure limits TLV not established.
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion.
Inhalation risk A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
Effects of short-term exposure The substance is mildly irritating to the eyes, the skin and the respiratory tract.
PHYSICAL PROPERTIES
ENVIRONMENTAL DATA
Density: 1.89 g/cm³ Solubility in water, g/100 ml: 46
This substance may be hazardous in the environment; special attention should be given to aquatic organisms.
NOTES
Temperature of decomposition unknown in literature. Health effects of exposure to the substance have not been investigated adequately.
