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Product Name: Barium Nitrite
Chemical Formula: Ba(NO2)2
CAS Number: 13465-94-6
Synonyms: Barium dinitrite, Nitrous acid barium salt
Recommended Use: Laboratory reagent, pyrotechnics
Supplier: Listed manufacturer or distributor details according to local or international requirements
Emergency Telephone: Available from supplier or country-specific poison control centers
Restriction on Use: Prohibited in pharmaceutical or food preparation unless permitted by regulation
Label Elements: Signal word, hazard pictogram, precautionary statements along with appropriate warnings
Hazard Class: Acute Toxicity (Oral), Eye Irritation, Specific Target Organ Toxicity (Single Exposure), Aquatic Acute Toxicity
GHS Label Elements: Toxic if swallowed, causes skin and eye irritation, harmful to aquatic organisms
Hazard Statements: H301: Toxic if swallowed; H315: Causes skin irritation; H319: Causes serious eye irritation; H402: Harmful to aquatic life
Precautionary Statements: Wash hands thoroughly after handling; do not eat, drink, or smoke during use; avoid release to environment; wear protective gloves, eye protection, face protection
Signal Word: Danger
Chemical Identity: Barium Nitrite
CAS Number: 13465-94-6
Concentration: 98% - 100% pure substance
Impurities: Residual water content, very low levels of barium carbonate or sulfate possible (well below 1%)
Other Components: Not applicable
Eye Contact: Immediately rinse eyes with plenty of water for a least 15 minutes, lifting eyelids occasionally. Seek immediate medical advice.
Skin Contact: Remove contaminated clothing, rinse skin with copious amounts of water for at least 15 minutes. Seek medical attention if irritation persists.
Inhalation: Move victim to fresh air, keep warm and at rest, seek medical advice if breathing becomes difficult or symptoms persist.
Ingestion: Rinse mouth, do not induce vomiting. Seek medical attention urgently. If victim is conscious, give water to dilute. Never give anything by mouth to an unconscious person.
Note to Physicians: Provide treatment symptomatic and supportive. Barium salts may cause hypokalemia and muscle paralysis.
Suitable Extinguishing Media: Dry chemical powder, foam, or carbon dioxide for surrounding fires. Water spray for cooling containers.
Unsuitable Media: Do not use water jets directly on the material
Hazards from Combustion: Toxic fumes of nitrogen oxides and barium compounds can form
Fire Fighting Advice: Fire fighters should wear self-contained breathing apparatus and protective clothing. Avoid inhalation of gases.
Explosion Hazard: May react with reducing agents, flammable or combustible material increasing fire risk.
Personal Protection: Wear chemical splash goggles, chemical-resistant gloves, laboratory coat or apron, and use in ventilated area.
Environmental Precautions: Prevent spillage from entering drains, watercourses, and soil. Contain and recover spillage when safe.
Methods for Containment: Scoop up spills mechanically, avoid raising dust, use sealable containers.
Cleanup Procedures: Clean spill area thoroughly with detergent and water. Ventilate enclosed spaces. Dispose of waste material as required by regulations.
Handling: Use only in a chemical fume hood or well-ventilated space. Do not breathe dust, avoid contact with skin, eyes, or clothing. Wear proper protective equipment.
Storage Conditions: Keep container tightly closed in a cool, dry, well-ventilated area, away from incompatible substances like strong acids, reducing agents, organic materials.
Incompatibles: Acids, aluminum, magnesium, combustible substances.
Special Requirements: Label containers clearly; have emergency procedures for accidental exposure or spillages.
Engineering Controls: Laboratory fume hood or local exhaust ventilation for dust control.
Exposure Limits: OSHA PEL (as soluble barium): 0.5 mg/m³ (TWA); ACGIH TLV: 0.5 mg/m³
Personal Protection: Safety goggles, gloves made of nitrile or neoprene, laboratory coat, dust mask or NIOSH-approved respirator for dust exposure.
Hygiene Measures: Wash hands before breaks, after work, and after handling.
Environmental Control: Do not permit to enter sewers or water systems. Use under strict environmental management.
Appearance: Pale yellow crystalline powder
Odor: Odorless
pH: 7-9 (1% solution in water)
Melting Point: Approximately 190°C (374°F, decomposes)
Boiling Point: Decomposes without boiling
Solubility in Water: 52 g/100 mL at 25°C (very soluble)
Density: 3.65 g/cm³
Flash Point: Not flammable
Vapor Pressure: Not applicable
Partition Coefficient (n-octanol/water): Not determined
Explosion Properties: Not explosive but reactive with reducing agents
Decomposition Temperature: Releases toxic fumes of nitrogen oxides at elevated temperatures.
Chemical Stability: Stable under recommended storage conditions.
Conditions to Avoid: Moisture, heat sources, contact with incompatible materials, strong acids, reducing agents.
Incompatible Materials: Acids, strong oxidizers, reducing agents, organic substances.
Hazardous Decomposition Products: Nitrogen oxides, barium oxides.
Reactivity: May react with acids to form toxic nitrogen dioxide.
Polymerization: No dangerous polymerization expected.
Acute Toxicity: Oral LD50 (rat): 100-300 mg/kg (highly toxic)
Skin Corrosion/Irritation: Causes irritation
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: Not classified as a respiratory sensitizer
Specific Target Organ Toxicity: Ingestion may affect muscular, nervous, and cardiovascular systems through hypokalemia and muscle paralysis.
Chronic Effects: Long-term or repeated exposure may damage kidneys, liver, and nervous system.
Carcinogenicity: Not classified as carcinogenic by IARC or OSHA.
Mutagenicity: No information available
Reproductive Toxicity: No information available
Symptoms of Exposure: Salivation, vomiting, abdominal pain, muscle weakness, cardiac arrhythmias
Ecotoxicity: Harmful to aquatic organisms, acute aquatic toxicity possible with release to water bodies
Persistence and Degradability: Inorganic compound, not expected to biodegrade
Bioaccumulative Potential: Bioaccumulation not significant, but barium compounds may build up in aquatic organisms
Mobility in Soil: High solubility in water raises risk of groundwater contamination
Other Adverse Effects: Elevated environmental concentrations disrupt aquatic life due to nitrate content and barium solubility; may contribute to eutrophication.
Disposal Methods: Treat as hazardous chemical waste. Collect in labeled, sealed containers.
Disposal of Packaging: Decontaminate containers before recycling or disposal; follow local, regional, or national regulations.
Environmental Precautions: Do not flush to sewer, surface water, or soil.
Special Handling: Arrange for licensed hazardous waste disposal contractor; document all handling according to applicable regulations.
UN Number: 1564
Proper Shipping Name: Barium compound, n.o.s. (Barium Nitrite)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Environmental Hazard: Marine pollutant
Special Transport Precautions: Ensure packaging is strong, correctly labeled, and meets international standards (ADR, IMDG, IATA). Document all transport as hazardous cargo.
Safety, Health and Environmental Regulations: Listed under OSHA hazardous chemicals, subject to TSCA inventory; regulated in Europe under REACH and CLP regulations; national regulations may apply per jurisdiction.
Labeling Requirements: Toxic substance. Must include hazard pictogram, signal word "Danger", risk phrases, safety phrases, supplier identification.
Restrictions: Occupational and environmental controls per OSHA, ACGIH, EU workplace standards.
Reporting Requirements: Subject to emergency planning, community right-to-know act listings (U.S. SARA Title III).
Chemical Inventory Status: Listed in major chemical inventories (TSCA, EINECS, DSL, etc.)
