Product Name: Silver Citrate
Chemical Formula: C6H5Ag3O7
CAS Number: 7761-88-8
EC Number: 231-033-3
Synonyms: Trisilver citrate, Silver(1+) citrate
Recommended Use: Antimicrobial agent, water treatment, laboratory reagent
Manufacturer: Contact company for details
Emergency Contact: Refer to local regulations for proper emergency contact
Classification: Acute toxicity (oral), Skin irritation, Eye irritation, Hazardous to aquatic environment
Signal Word: Warning
Hazard Statements: Harmful if swallowed. Causes skin and eye irritation. Toxic to aquatic life with long lasting effects.
Precautionary Statements: Avoid breathing dust. Wash hands thoroughly after handling. Avoid release to environment. Wear protective equipment as required.
Physical Hazards: May form dust clouds, which can pose inhalation risk
Chemical Name: Silver Citrate
Common Name and Synonyms: Silver(1+) citrate
Concentration: Typically above 95%
Impurities: Trace amounts of other silver salts
Hazardous Ingredients: None beyond primary component as supplied
Molecular Weight: 404.94 g/mol
Inhalation: Move to fresh air. Seek medical advice if breathing becomes difficult.
Skin Contact: Rinse with soap and plenty of water for at least 15 minutes. Remove contaminated clothing.
Eye Contact: Flush with plenty of water for several minutes. Get medical attention for irritation or injury.
Ingestion: Do not induce vomiting. Rinse mouth with water. Seek immediate medical advice.
Most Important Symptoms: Irritation, coughing, gastrointestinal discomfort, soreness at site of contact.
Medical Attention: Symptomatic treatment as needed.
Suitable Extinguishing Media: Use dry chemical, CO2, alcohol-resistant foam, water spray for larger fires
Unsuitable Media: Direct water jets on product may spread powder
Hazards During Fire: May release toxic silver oxide fumes. Containers may explode from pressure build-up.
Protective Equipment: Wear self-contained breathing apparatus, chemical-resistant suit, gloves, boots.
Firefighting Procedures: Keep containers cool with water spray. Approach fire from upwind side. Prevent firewater runoff from contaminating surface water.
Personal Precautions: Wear dust mask, gloves, safety goggles. Avoid formation of dust clouds.
Environmental Precautions: Prevent product from entering drains, watercourses or soil.
Methods for Clean-Up: Use non-sparking tools, sweep up and place in a container for proper disposal. Ventilate area.
Disposal: Refer to Disposal Considerations section for recommended procedures.
Emergency Procedures: Isolate spill, restrict access, evacuate unnecessary personnel until cleaned up.
Precautions for Safe Handling: Avoid creating dust. Handle with gloves and eye protection. Do not eat or drink while using.
Conditions for Safe Storage: Store in tightly closed containers in a cool, dry, well-ventilated area. Keep away from reducing agents, acids.
Incompatible Materials: Strong acids, bases, halides, combustible material, ammonia.
Safe Handling Statements: Keep containers tightly sealed when not in use. Store away from heat and direct sunlight.
Fire Protection: Keep out of reach of ignition sources.
Occupational Exposure Limits: ACGIH TLV for Silver: 0.01 mg/m³ (as Ag, TWA)
Engineering Controls: Use local exhaust ventilation. General room ventilation recommended.
Respiratory Protection: Use approved respirator with particulate filter if exposure is likely.
Skin Protection: Wear chemical-resistant gloves and lab coat.
Eye Protection: Use safety goggles or face shield.
Hygiene Measures: Wash hands and skin after handling, before breaks and at end of work.
Environmental Exposure Controls: Controls to prevent discharge into environment.
Appearance: White to pale yellow powder
Odor: Odorless
Odor Threshold: Not applicable
pH: 3.0 - 5.0 (1% solution in water)
Melting Point/Freezing Point: Decomposes before melting
Boiling Point: Not applicable
Flash Point: Not flammable
Evaporation Rate: Not volatile
Flammability: Not combustible
Vapor Pressure: Negligible
Vapor Density: Not applicable
Solubility: Sparingly soluble in water
Partition Coefficient (n-octanol/water): No data available
Auto-Ignition Temperature: Not self-igniting
Decomposition Temperature: Above 220°C
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: Reacts with strong acids to produce silver salts and gases
Conditions to Avoid: Heat, moisture, direct sunlight
Incompatible Materials: Strong acids, strong bases, reducing agents, combustible material
Hazardous Decomposition Products: Silver oxide, carbon dioxide, carbon monoxide
Reactivity: May undergo slow oxidation in air
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: LD50 (oral, rat) typically above 2000 mg/kg (data for silver compounds)
Skin Corrosion/Irritation: Causes skin irritation on prolonged contact
Serious Eye Damage/Irritation: Causes irritation, potential tissue damage
Respiratory Sensitization: Not expected at standard occupational levels
Symptoms: Irritation, coughing, gastrointestinal upset, argyria on prolonged exposure
Chronic Effects: Long-term exposure to silver salts may cause blue–gray discoloration of skin (argyria).
Carcinogenicity: Not listed as a carcinogen by OSHA, IARC, NTP
Mutagenicity: Not known
Reproductive Toxicity: Not established
Ecotoxicity: Highly toxic to aquatic life. LC50 (Fish): 0.001 - 0.05 mg/L (silver compounds)
Persistence and Degradability: Inorganic, not biodegradable.
Bioaccumulative Potential: Silver compounds can accumulate in aquatic organisms.
Mobility in Soil: Limited mobility, binds strongly to soil particles.
Other Adverse Effects: May cause long-lasting harmful effects in aquatic environments.
Disposal Methods: Excess and residues must be collected and disposed of as hazardous waste in accordance with local, regional, and national regulations.
Contaminated Packaging: Dispose of packaging like product waste. Avoid reuse.
Disposal Precautions: Do not discharge into surface waters or sewers.
Recommended Recovery Options: Send to company with license to handle hazardous wastes.
UN Number: 3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (Silver citrate)
Transport Hazard Class: 9
Packing Group: III
Marine Pollutant: Yes
Special Precautions for User: Keep separate from foodstuffs and feed, avoid accidental spillage in transit
Transport in Bulk: Check national and international regulations
Classification and Labeling: Follows GHS, OSHA HCS (US), EU CLP
US Regulations: Listed in TSCA Inventory; CERCLA reportable for silver above 1 lb
EU Regulations: REACH Registered; considered hazardous if concentration exceeds threshold
Canada: Listed in DSL; subject to WHMIS regulations
Other International Regulations: Subject to restrictions based on silver compound environmental hazard
Restrictions: Use in consumer products may fall under additional local or federal restrictions