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Product Name: Barium Chloride Dihydrate
Chemical Formula: BaCl₂·2H₂O
Synonyms: Barium dichloride, Barium chloride hydrate
CAS Number: 10326-27-9
Recommended Use: Laboratory reagent, chemical manufacturing, water treatment
Supplier: Name, address, phone number of the supplier
Emergency Contact: Emergency telephone number and location of poison control centers
GHS Classification: Acute toxicity (oral), Category 3; Acute toxicity (dermal), Category 3
Label Elements: Skull and crossbones symbol, Danger signal word
Hazard Statements: Toxic if swallowed or in contact with skin
Precautionary Statements: Avoid breathing dust, wash hands thoroughly, do not eat/drink/smoke when using, wear protective gloves and clothing
Potential Health Effects: Eyes - irritation, skin - redness/irritation, ingestion - nausea, vomiting, muscular paralysis, cardiovascular effects, inhalation - cough, sore throat, potential lung damage
Environmental Hazards: Toxic to aquatic life even at small concentrations
Chemical Name: Barium Chloride Dihydrate
Common Name: Barium chloride
Concentration: 98–100%
CAS Number: 10326-27-9
Impurities: Trace amounts of other barium salts may be present
Molecular Weight: 244.26 g/mol
Inhalation: Move person to fresh air, monitor for respiratory distress, provide oxygen if breathing becomes difficult, seek medical attention promptly
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for at least 15 minutes, do not use solvents, call a physician
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, get medical help
Ingestion: Rinse mouth thoroughly, do not induce vomiting, never give anything by mouth if victim is unconscious, seek immediate medical advice
Most Important Symptoms: Nausea, vomiting, abdominal pain, muscle twitching, irregular heartbeat, difficulty breathing, risk of convulsions; delayed effects can include kidney or cardiac damage
Advice for Medical Personnel: Careful observation, administer oxygen, correct electrolyte disturbances, symptomatic treatment, consider chelation if recommended
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, alcohol-resistant foam
Unsuitable Media: None identified for the product, but avoid using full water jets that may spread powder
Specific Hazards: Barium chloride dihydrate does not burn, decomposes in fire to produce toxic fumes of hydrogen chloride and barium oxide
Protective Equipment: Firefighters should use self-contained breathing apparatus with full protective clothing
Special Procedures: Isolate area, prevent runoff into water sources, control powder dispersion, cool containers with water from safe distance
Decomposition Products: Hydrogen chloride gas, barium oxide particles
Personal Precautions: Evacuate unnecessary personnel, use appropriate personal protective equipment (PPE), avoid dust formation, ensure adequate ventilation
Environmental Precautions: Prevent product from entering drains or waterways, inform authorities in case of large spills
Cleanup Procedures: Collect spilled material with suitable tools, avoid raising dust, containerize for disposal according to local regulations, clean surface with damp cloth or absorbent material, ventilate area thoroughly
Handling: Wear protective equipment, handle only in well-ventilated areas, avoid contact with skin, eyes, and clothing, do not eat/drink/smoke in work area, wash hands after handling, handle away from incompatible substances
Storage: Store in tightly closed containers in a cool, dry, well-ventilated location, keep away from incompatible materials such as acids and strong oxidizers, label storage area with hazard information, avoid storing near food or drink
Storage Temperature: Recommended ambient temperature range
Incompatibilities: Strong acids, strong oxidizers, aluminum, combustible materials
Occupational Exposure Limits: OSHA PEL for soluble barium salts as Ba: 0.5 mg/m³ (TWA); ACGIH TLV: 0.5 mg/m³ (TWA)
Engineering Controls: Local exhaust ventilation, eyewash stations, safety showers in work area
Personal Protection - Respiratory: Use NIOSH-approved particulate respirator if dust concentrations exceed exposure limits
Personal Protection - Hands: Chemical-resistant gloves made of rubber, nitrile, or PVC
Personal Protection - Eyes: Safety goggles, face shield for splashes
Personal Protection - Skin: Lab coat, chemical-resistant apron, impermeable footwear
Appearance: White crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH (5% solution): 5.0–8.0
Melting Point: 113°C (decomposes)
Boiling Point: Decomposes before boiling
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable
Vapor Pressure: Not significant at ambient conditions
Relative Density: 3.86 g/cm³
Solubility: Soluble in water (375 g/L at 20°C)
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: Not applicable
Decomposition Temperature: 113°C
Viscosity: Not applicable
Chemical Stability: Stable under normal handling and storage conditions
Reactivity: Reacts with strong acids, strong oxidizing agents, moisture accelerates dissolution
Hazardous Reactions: Contact with acids releases hydrogen chloride gas
Conditions to Avoid: Exposure to moisture, humidity, high heat, storage with incompatible materials
Incompatible Materials: Acids, strong oxidizers, aluminum, magnesium, potassium
Decomposition Products: Barium oxide, hydrogen chloride, chlorine gas in extreme conditions
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: Oral LD50 (rat): 118 mg/kg; Dermal LD50 (rabbit): 300 mg/kg; highly toxic if swallowed or absorbed through skin
Symptoms: Nausea, vomiting, abdominal cramps, watery diarrhea, muscle weakness, cardiac disturbances, convulsions, risk of respiratory failure
Chronic Effects: Prolonged exposure may damage kidneys, heart, nervous system
Carcinogenicity: Not listed as carcinogenic by OSHA, NTP, IARC
Mutagenicity/Teratogenicity: No evidence from current studies
Other Health Hazards: May aggravate pre-existing heart or kidney disorders, individuals with impaired electrolyte balance are at increased risk
Ecotoxicity: Highly toxic to aquatic life (fish, daphnia, algae) at low concentrations, LC50 (fish): <10 mg/L
Persistence and Degradability: Inorganic salt, not readily biodegradable, persists in the environment
Bioaccumulative Potential: May accumulate in aquatic organisms
Mobility in Soil: Water-soluble, mobile in moist soils, may leach into groundwater
Other Adverse Effects: Significant spills can have long-term effects on water quality and soil health
Waste Disposal Methods: Collect in labeled, sealed containers, contract with licensed chemical waste disposal company, follow local, regional, and national regulations
Contaminated Packaging: Rinse containers, dispose of in accordance with hazardous waste regulations
RCRA Classification: Barium compounds listed as hazardous waste, US EPA Waste Number D005
Special Precautions: Do not discharge to environment, avoid release to sewer systems, ensure containers remain sealed until pickup
UN Number: 1564
UN Proper Shipping Name: Barium Compounds, n.o.s.
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: III
Marine Pollutant: Yes, due to high aquatic toxicity
Transport Labels: Toxic, marine pollutant
Special Precautions: Keep away from foodstuffs and feed, transport in secure, sealed containers, follow applicable shipping regulations for toxic solids
OSHA: Classified as hazardous
SARA Title III Sections 302/304/313: Barium compounds reportable under Section 313, subject to emergency planning and release notification
TSCA: Listed on US Toxic Substances Control Act inventory
California Proposition 65: Not listed as a known carcinogen or reproductive toxin
Canadian WHMIS: D1A (Very Toxic Material Causing Immediate and Serious Toxic Effects)
EU Classification: GHS Acute Toxicity Oral and Dermal Category 3, H301+H311; Water hazard class 2 (German regulation)
Other International Regulations: Subject to strict regulation due to acute toxicity and ecological hazard, exporters and importers must ensure full compliance with transit and destination country laws
