Material Safety Data Sheet for Bismuth Potassium Citrate

Identification

Product Name: Bismuth Potassium Citrate
Chemical Formula: C6H5BiK2O7
CAS Number: 97792-45-5
Intended Use: Pharmaceutical raw material, laboratory reagent
Supplier/Manufacturer: Information provided on label or accompanying documents
Contact for Emergency: Refer to company emergency phone listed with shipment or safety documents
Synonyms: Potassium Bismuth Citrate, Tripotassium Dicitrate Bismuthate

Hazard Identification

Classification: Not classified as hazardous under GHS criteria
Health Hazards: Possible irritation to eyes, skin and respiratory system; ingestion of large quantities may affect kidneys and nervous system
Environmental Hazards: May cause localized impact to soil or aquatic environments if released in bulk
Physical Hazards: Dust may cause explosion risk in confined spaces under certain conditions; no significant flammability
Signal Word: None required under current regulations
Hazard Statements: May cause mild irritation or discomfort on contact or inhalation
Precautionary Statements: Avoid breathing dust, minimize contact with skin and eyes, ensure proper ventilation

Composition / Information on Ingredients

Chemical Name: Bismuth Potassium Citrate
CAS Number: 97792-45-5
Concentration: 98-100% w/w
Impurities: Citric acid residuals, possible minor potassium salts below 1%

First Aid Measures

Eye Contact: Flush with plenty of water for at least 15 minutes; seek attention if discomfort persists
Skin Contact: Wash thoroughly with soap and water; remove contaminated clothing
Inhalation: Remove to fresh air; seek medical attention if coughing or irritation develops
Ingestion: Rinse mouth out with water and give plenty of water to drink; do not induce vomiting, get medical help
Symptoms: May include mild irritation, coughing, or nausea in sensitive individuals

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry powder, foam, carbon dioxide
Unsuitable Extinguishing Media: Direct water jet on bulk powder piles
Fire/Explosion Hazards: Dust can be irritating; may form combustible dust clouds in confined spaces
Protective Equipment: Full protective clothing, self-contained breathing apparatus
Advice for Firefighters: Move containers from fire area if safe; prevent runoff from entering drains

Accidental Release Measures

Personal Precautions: Avoid dust formation, use personal protective equipment, ventilate area
Environmental Precautions: Prevent further leakage or spillage; do not allow material into watercourses
Methods for Cleaning Up: Carefully sweep up and collect in suitable container; wash spill area with water
Waste Disposal: Gather sweepings in sealed, labeled containers for disposal as chemical waste

Handling and Storage

Safe Handling Advice: Work with the material in a well-ventilated area, avoid breathing dust
Technical Measures: Use dust-proof equipment and containers; ground equipment to prevent static build-up
Storage Conditions: Store in tightly closed container in a cool, dry, well-ventilated place, away from strong acids
Compatible Materials: Keep away from oxidizing agents and acids
Hygiene Practices: Wash hands thoroughly after handling, avoid eating or drinking near material

Exposure Controls and Personal Protection

Occupational Exposure Limits: No specific limit established for Bismuth Potassium Citrate; Bismuth compounds ACGIH TLV (as Bi): 0.5 mg/m³
Engineering Controls: Local exhaust ventilation, process enclosure, dust collection
Personal Protective Equipment: Safety goggles, chemical-resistant gloves, dust mask (P2 or N95), long-sleeved lab coat
Individual Protection Measures: Avoid direct skin contact, change contaminated clothing, ensure eyewash and safety shower availability

Physical and Chemical Properties

Appearance: White to pale yellow powder
Odor: Odorless
pH: 6-8 (1% aqueous solution)
Melting Point: Decomposes before melting
Boiling Point: Not applicable
Flash Point: Not applicable or non-flammable
Density: 2.7 to 3.2 g/cm³
Solubility: Slightly soluble in water
Vapor Pressure: Not applicable
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: Not self-igniting
Upper/Lower Flammability: Not flammable
Evaporation Rate: Not applicable

Stability and Reactivity

Stability: Stable under recommended storage conditions
Conditions to Avoid: Exposure to strong acids, strong oxidizers, moisture in large quantities
Materials to Avoid: Acidic substances, oxidizing materials
Hazardous Decomposition Products: Oxides of bismuth, potassium compounds, carbon oxides upon thermal decomposition
Polymerization: Will not occur

Toxicological Information

Acute Toxicity: Oral LD50 not precisely established; Bismuth salts show low acute toxicity
Chronic Toxicity: Prolonged exposure may result in kidney or nervous system effects, based on similar bismuth compounds
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Irritation of eyes, skin, respiratory tract; nausea or vomiting in case of large ingestion
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Reproductive Effects: No clear evidence, though extended bismuth use linked to fetal effects in animal studies
Sensitization: No reports for this compound

Ecological Information

Aquatic Toxicity: Little data for this specific compound; bismuth salts show low to moderate toxicity to fish, crustaceans, aquatic plants
Persistence and Degradability: Inorganic salt, not expected to degrade biologically
Bioaccumulative Potential: Low bioaccumulation predicted due to low solubility
Mobility in Soil: Limited mobility; adsorbs strongly to soil particles
Other Adverse Effects: Large spills could locally disrupt soil or freshwater systems

Disposal Considerations

Waste Treatment Methods: Dispose in accordance with local, regional, national regulations
Recommended Disposal: Send to licensed chemical waste treatment facility; do not dispose via sewage
Contaminated Packaging: Handle as chemical waste, rinse and recycle only if regulations allow
Special Precautions: Prevent environmental release during handling and storage

Transport Information

UN Number: Not regulated for transport
UN Proper Shipping Name: Not a hazardous material
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not classified as marine pollutant
Special Precautions for Transport: Avoid dust generation and mechanical impact; keep containers tightly closed during movement

Regulatory Information

GHS Classification: Not classified as hazardous
TSCA Status: Listed or meets requirements
REACH Registration: Exempt as an inorganic compound or otherwise registered
OSHA: Not a hazardous chemical under OSHA Hazard Communication Standard
Other Regulations: Follow all national, state, and local regulations for storage, handling, and disposal
Labeling Requirements: Use the recommended product identifier and precautionary information as advised
Inventory Listings: Likely listed on national chemical inventories such as EINECS, DSL; check current listings if exporting