Material Safety Data Sheet for Ammonium Bismuth Citrate

Identification

Product Name: Ammonium Bismuth Citrate
Chemical Formula: C6H8BiNO7
CAS Number: 84684-02-6
Recommended Use: Used in chemical analysis, pharmaceutical research, and as a laboratory reagent
Supplier Information: Laboratory supplier or chemical distributor address, phone number, emergency contact
Synonyms: Bismuth ammonium citrate, ammonium bismuthyl citrate
Emergency Phone: Local poison control or hazardous materials response number
Manufacturing Details: Typically manufactured in industrial settings with strict hazardous material controls

Hazard Identification

Classification: Not classified as highly hazardous, but requires cautious handling
Physical Hazards: May irritate eyes, skin, and respiratory tract upon exposure
Health Hazards: Ingestion or inhalation can cause nausea, headache, or abdominal pain; long-term exposure may pose health concerns
GHS Symbol: Exclamation mark (irritant)
Precautionary Statements: Wash hands after handling, avoid contact with skin and eyes, use personal protection
Signal Word: Warning
Pictograms: Standard laboratory irritant label
Main Routes of Entry: Inhalation, ingestion, skin and eye contact
Target Organs: Skin, eyes, respiratory system, digestive tract

Composition / Information on Ingredients

Chemical Name: Ammonium Bismuth Citrate
CAS Number: 84684-02-6
Concentration: 100% pure form unless diluted in a specific preparation
Other Ingredients: None for the pure substance, though custom laboratory blends might include buffers or stabilizers
Impurities: Industrial-grade samples could contain bi-products from synthesis, trace solvents, or water

First Aid Measures

Inhalation: Move individual to fresh air, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash exposed skin thoroughly with soap and water, seek care if irritation develops
Eye Contact: Flush with gentle stream of water for at least 15 minutes, keep eyelids open, obtain immediate medical help if discomfort continues
Ingestion: Rinse mouth, give water to drink, do not induce vomiting, seek expert medical attention
Most Important Symptoms: Irritation, redness, headache, stomach upset
Immediate Medical Attention: Recommended in all cases of large exposure, known ingestion, or if symptoms persist after first aid

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: Avoid high-pressure water jets that can spread chemical
Specific Hazards: May release toxic bismuth and nitrogen oxides or carbon oxides during fire
Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus
Firefighting Instructions: Keep upwind, use water to cool containers, avoid inhalation of fumes
Explosion Data: Not considered explosive or flammable under normal laboratory conditions

Accidental Release Measures

Personal Precautions: Use appropriate PPE such as gloves, goggles, and mask
Evacuation Procedures: Clear unnecessary personnel from the area
Spill Cleanup Methods: Sweep up solid or absorb liquid with inert material; collect and dispose in suitable container
Environmental Precautions: Prevent entry into drains or waterways, avoid soil contamination
Disposal of Cleanup Materials: Follow legal guidelines for hazardous wastes
Decontamination: Wash affected surface with water and mild detergent after material removal

Handling and Storage

Safe Handling Guidelines: Work in ventilated area, avoid breathing dust, minimize direct contact
Storage Conditions: Store in tightly sealed container, in a cool, dry, well-ventilated space
Incompatibilities: Keep separate from strong oxidizers and acids
Special Practices: Use chemical fume hoods when working with powdered forms
Storage Labeling: Clearly mark with full chemical name, hazard symbols, and storage requirements
Packaging: Use inert packaging to prevent moisture ingress or contamination

Exposure Controls and Personal Protection

Exposure Limits: No established occupational exposure limits, but good industrial hygiene suggests minimizing exposure
Engineering Controls: Use local exhaust, general ventilation, or fume hoods
Personal Protection: Nitrile gloves, chemical-resistant apron or lab coat, safety goggles, NIOSH-approved respirator for dust
Hygiene Practices: Wash hands and arms thoroughly after handling, change contaminated clothing promptly
Monitoring Procedures: Routine health surveillance recommended for laboratory staff

Physical and Chemical Properties

Appearance: Fine pale yellow to green powder or granular solid
Odor: Odorless
Odor Threshold: Not applicable
pH: Approximately neutral to mildly acidic in solution
Melting Point: Decomposes before melting
Boiling Point: Not applicable (decomposes)
Flash Point: Non-flammable
Evaporation Rate: Not volatile
Solubility: Moderately soluble in water
Density: Varies by hydrous state; around 2.9-3.1 g/cm³
Vapor Pressure: Negligible at room temperature
Partition Coefficient: Not determined
Auto-ignition Temperature: Not relevant for this compound

Stability and Reactivity

Chemical Stability: Stable under recommended conditions
Reactive Materials: Can react with strong oxidizers, acids, and bases
Hazardous Decomposition Products: Bismuth oxides, nitrogen oxides, possibly carbon oxides
Polymerization: No known risk of hazardous polymerization
Special Precautions: Avoid dusty conditions and keep away from moisture
Storage Considerations: Protect from extreme temperatures and incompatible compounds

Toxicological Information

Acute Effects: May cause mild to moderate irritation to skin, eyes, and mucosa; ingestion can cause gastrointestinal symptoms
Chronic Effects: Continued exposure could result in liver or kidney effects based on bismuth studies, though limited direct evidence
Routes of Exposure: Inhalation, skin absorption, eye contact, ingestion
Toxic Dose: Limited animal and human data; LD50 not well established
Carcinogenicity: Not classified as carcinogenic; no conclusive evidence in available literature
Mutagenicity: No data indicating mutagenic risk
Reproductive Toxicity: Not listed as reproductive hazard, but best to avoid during pregnancy
Sensitization: Not a known skin sensitizer

Ecological Information

Ecotoxicity: Potentially toxic to aquatic life at higher concentrations; may disrupt organism growth
Persistence and Degradability: Inorganic, not biodegradable, persists in natural environments
Bioaccumulation: Bismuth compounds have limited evidence of bioaccumulation
Mobility in Soil: Moderately mobile, risk of groundwater contamination remains low under normal laboratory use
Aquatic Toxicity Data: Insufficient direct results but caution recommended based on similar compounds
Special Environmental Precautions: Prevent release into natural water bodies or soil where possible

Disposal Considerations

Recommended Disposal: Dispose through licensed waste disposal contractor familiar with inorganic chemicals
Contaminated Packaging: Rinse thoroughly and dispose according to chemical waste policy or regulations
Environmental Precautions: Avoid landfill or sewer discharge; comply with regional hazardous waste requirements
Special Procedures: Label all waste containers with contents and hazards, maintain disposal logs
Legal Framework: Follow local and national environmental protection law

Transport Information

UN Number: Not classified as dangerous for most modes of transport
Proper Shipping Name: Ammonium Bismuth Citrate
Transport Hazard Class: Not regulated as hazardous, standard care in packaging and labeling
Packing Group: Not assigned
Marine Pollutant: Not listed, but avoid oceanic discharge
Special Considerations: Ensure containers are secure and labeled during transit
Regulations: Observe national and international transport safety recommendations

Regulatory Information

International Inventories: Listed on chemical substance inventories in multiple countries
Workplace Regulations: Subject to risk assessment and safe handling rules in laboratory settings
Environmental Regulations: Requires compliance with local discharge laws, hazard communication standards
Consumer Legislation: Not used in consumer products, restrictions on non-industrial or non-scientific distribution
Specific Safety Labels: Indicates irritant, handle with care, and storage restrictions
OSHA/HCS Status (U.S.): Does not appear as a hazardous substance or mixture under typical classifications
REACH Compliance (EU): Registration or notification required for distribution in Europe
Additional Legal Notes: Use restricted to trained personnel following documented safety protocols