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POTASSIUM FERRICYANIDE ICSC: 1132
Date of Peer Review: October 2002

Tripotassium hexacyanoferrate (-3)
Potassium cyanoferrate
Potassium ferricyanate
Iron potassium cyanide
CAS # 13746-66-2 C6FeK3N6 / K3[Fe(CN)6]
RTECS # LJ8225000 Molecular mass: 329.25
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / 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.)
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Separated from acids. Dry.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

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POTASSIUM FERRICYANIDE ICSC: 1132
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
Density: 1.89 g/cm^3
Solubility in water, g/100 ml: 46
ENVIRONMENTAL DATA
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.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999