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Product Name: Tetrapotassium Pentacyanoaurate
Chemical Formula: K4[Au(CN)5]
Synonyms: Gold pentacyanide potassium salt
Supplier: Laboratory chemical supplier details
Recommended Use: Laboratory reagent, industrial synthesis
Contact Information: Emergency phone number, address of supplier
GHS Classification: Acute Toxicity – Oral (Category 2), Skin Irritation (Category 2), Eye Irritation (Category 2A)
Signal Word: Danger
Hazard Statements: Highly toxic if swallowed, skin irritant, causes serious eye irritation, toxic to aquatic organisms
Precautionary Statements: Do not breathe dust, avoid contact with skin and eyes, wash thoroughly after handling, use only outdoors or in well-ventilated areas, wear suitable protective equipment
Chemical Name: Tetrapotassium Pentacyanoaurate
CAS Number: 13967-50-5
EC Number: 237-748-0
Percent Composition: 100%
Impurities: No hazardous impurities above disclosure limits
Inhalation: Move to fresh air, seek immediate medical advice if respiratory symptoms develop
Skin Contact: Remove contaminated clothing, flush skin with running water for 15 minutes, seek medical attention for irritation
Eye Contact: Rinse eyes cautiously with water for several minutes, remove contact lenses if present, ensure medical evaluation
Ingestion: Do not induce vomiting, rinse mouth, seek urgent medical attention immediately
Suitable Extinguishing Media: Dry chemical powder, foam, carbon dioxide, do not use water jets
Specific Hazards: Cyanide fumes may form, gold compounds can decompose under fire conditions
Protective Equipment: Self-contained breathing apparatus, chemical resistant suit
Special Procedures: Remove containers from fire area if safe, avoid inhaling combustion gases
Personal Precautions: Evacuate unnecessary personnel, avoid inhalation, avoid direct contact
Spill Cleanup: Ventilate area, scoop spilled material into appropriate hazardous waste container, wash contaminated area with dilute sodium hypochlorite then neutralize
Environmental Precautions: Prevent spill from entering drains or watercourses, report as required by local regulations
Protective Equipment: Respiratory protection, chemical resistant gloves, safety goggles, full body covering
Safe Handling: Use local exhaust ventilation, avoid all unnecessary exposure, keep containers tightly closed, avoid generation of dust
Storage Conditions: Store in original container, cool, dry, well-ventilated area away from acids, oxidizers, and foodstuffs
Incompatible Materials: Strong acids, oxidizing agents, sources of ignition
Special Requirements: Lockable storage preferred, label area clearly
Control Parameters: Occupational exposure limit values not established for this compound, monitor cyanide exposure as precautionary step
Engineering Controls: Chemical fume hood, local exhaust ventilation
Personal Protection: Nitrile or neoprene gloves, laboratory coat, safety goggles or full face shield, certified respirator in case of dust formation, wash hands before breaks and at end of work
Appearance: Yellow crystalline powder
Odor: No characteristic odor
pH: Aqueous solution is alkaline
Melting Point/Freezing Point: Not determined
Boiling Point: Decomposes before boiling
Solubility: Soluble in water
Density: Around 2.5 g/cm3
Vapor Pressure: Negligible
Partition Coefficient: Not available
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with acids to release toxic hydrogen cyanide gas, strong oxidizers may cause violent reaction
Conditions to Avoid: Moisture, acid contact, high temperatures, exposure to incompatible substances
Decomposition Products: Cyanide compounds, potassium oxides, gold dust
Acute Effects: Rapid poisoning from ingestion or inhalation, severe irritation to skin and eyes
Chronic Effects: Potential cyanide toxicity, repeated exposure may lead to thyroid or nervous system effects
Symptoms of Exposure: Nausea, headache, dizziness, confusion, convulsions, respiratory distress
Validated Data: No long-term animal studies available; cyanide toxicity is well documented in literature
Carcinogenicity, Mutagenicity, Teratogenicity: Not classified, no reliable data for this compound
Aquatic Toxicity: Highly toxic to aquatic organisms, cyanide component causes acute and long-term aquatic toxicity
Mobility: Soluble, readily migrates in groundwater
Bioaccumulation Potential: Gold complexes tend not to bioaccumulate significantly, but cyanide persistence affects toxicity
Persistence/Degradability: Cyanide ions degrade under aerobic conditions, can persist under anaerobic circumstances
Other Environmental Hazards: Do not allow material to contaminate soil, water bodies, or wastewater
Waste Disposal Methods: Dispose of as hazardous waste in accordance with local, regional, and national regulations
Contaminated Packaging: Triple rinse and treat as hazardous, follow proper disposal channels
Special Instructions: Neutralize cyanide with sodium hypochlorite before disposal, never discharge into natural waters or sewers
UN Number: 1680
Proper Shipping Name: Potassium cyanide mixture
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: I
Transportation Requirements: Label as toxic, keep securely sealed, transport documents must indicate this product as hazardous
Inventory Listings: Listed in TSCA, EINECS, and other chemical inventories as potassium gold cyanide complexes
Regulations: Subject to cyanide control regulations, hazardous substance under OSHA, reportable quantity (RQ) applies for cyanide content
Workplace Requirements: Safety data sheet availability, worker training, exposure monitoring, emergency washing stations
Other Regulatory Status: Complies with REACH registration requirements in the European Union, use and transport restrictions apply
