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Barium Chloride Extra Pure
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Description
USES
Primary Uses
- Reagent for Sulfate Ion Detection
- Widely used in qualitative analysis to test for SO₄²⁻, forming insoluble barium sulfate (BaSO₄) — a key gravimetric determination method.
- Source of Barium Ions in Inorganic Reactions
- Supplies Ba²⁺ ions for precipitation reactions, ionic strength control, and crystal lattice formation in coordination studies.
- Flame Test Reagent
- Produces a green flame, making it useful in elemental identification and flame spectroscopy demonstrations.
- Standard Salt for Conductivity and Ion Mobility Studies
- Commonly used in solution conductivity experiments and studies involving cation migration.
- Precursor for Barium-Based Salt Synthesis
- Reacts with sodium carbonate, phosphate, or chromate to form other barium salts for lab-scale synthesis and crystal preparation.
Secondary Uses
- Teaching Reagent for Precipitation and Solubility Experiments
- Demonstrates solubility rules, Ksp (solubility product), and common ion effect in student labs.
- Study of Double Displacement and Ionic Reactions
- Useful in illustrating ionic reactions in aqueous solution involving group 2 elements.
- Environmental Testing of Sulfates in Water
- Applied in water analysis to detect sulfate contamination using simple dropwise precipitation tests.
- Synthesis of Barium-Based Coordination Complexes
- Acts as a starting material in forming barium-ligand complexes for structure and reactivity studies.
- Demonstration of Crystallization and Recrystallization
- Soluble in water and ethanol, making it a good candidate for crystal growth and purification studies.
KEY PRODUCT FEATURES
KEY ATTRIBUTES
1. Basic Identification Attributes
- Chemical Name: Barium Chloride (commonly as Dihydrate)
- CAS Number:
- Anhydrous: 10361-37-2
- Dihydrate (commonly used): 10326-27-9
- HS Code: 28273990 (Other barium salts)
- Molecular Formula: BaCl₂ · 2H₂O (dihydrate)
- Synonyms:
- Barium dichloride
- Barium(II) chloride
- Chlorobarium
- Barium chloride dihydrate
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder or flakes)
- Color & Odor: White; odorless
- Boiling Point: Decomposes before boiling
- Melting Point: ~113 °C (dihydrate loses water)
- Density/Specific Gravity: ~3.86 g/cm³ (anhydrous), ~3.1 g/cm³ (dihydrate)
- Solubility:
- Water: Soluble (~37 g/100 mL at 20 °C)
- Ethanol: Insoluble
- pH Level: ~6–8 (in 5% solution)
- Vapor Pressure: Negligible
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS):
- Acute Toxicity – Oral (Category 3)
- Eye Irritation (Category 2A)
- Specific Target Organ Toxicity – Repeated Exposure (Category 2)
- NFPA Ratings:
- Health: 3
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- OSHA PEL: 0.5 mg/m³ (as soluble barium compounds)
- ACGIH TLV: 0.5 mg/m³ (as Ba)
- Reactivity:
- Stable under normal lab conditions
- Reacts with strong acids (release of toxic barium ions)
4. Storage & Handling Attributes
- Storage Conditions:
- Store in tightly sealed containers in a cool, dry, ventilated area
- Hygroscopic — avoid moisture
- Incompatible Materials:
- Strong acids, sulfates, oxidizers
- Container Type:
- Glass or HDPE containers
- Shelf Life & Expiration Date:
- ~3 years if stored properly
- Special Handling Requirements:
- Use gloves, safety goggles, and dust mask
- Avoid contact with skin and inhalation
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed in TSCA, REACH
- Subject to control due to toxicity of soluble barium
- Transportation Restrictions:
- Not regulated as hazardous in small lab quantities
- Waste Disposal Method:
- Dispose as hazardous waste
- Do not release to environment or drains
6. Environmental & Health Impact
- Ecotoxicity:
- Highly toxic to aquatic organisms (especially due to soluble barium ions)
- Persistence in Environment:
- Inorganic; non-degradable but may precipitate as insoluble barium salts
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic
- Biodegradability:
- Not biodegradable
SAFETY HANDLING PRECAUTIONS
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Lab coat, chemical-resistant gloves (nitrile recommended), and safety goggles.
- Use a dust mask or operate in a fume hood to prevent inhalation of fine particles.
- Handling:
- Avoid inhalation, ingestion, and skin or eye contact.
- Prevent dust formation and avoid contamination with acids or moisture.
- Do not eat, drink, or smoke while handling.
- Storage:
- Store in a tightly sealed container in a dry, cool, and well-ventilated area.
- Protect from moisture, acids, and incompatible substances.
- Clearly label container as Toxic and store in a designated chemical cabinet.
- Environmental Precautions:
- Prevent release into drains, soil, or waterways—extremely toxic to aquatic life.
- Collect and dispose of spills with care using approved hazardous waste procedures.
FIRST AID MEASURES
- Inhalation:
- Move to fresh air immediately.
- Administer oxygen if breathing is difficult.
- Seek urgent medical attention—inhalation may cause systemic toxicity.
- Skin Contact:
- Wash skin with plenty of water and soap.
- Remove contaminated clothing.
- Seek medical advice if irritation or symptoms occur.
- Eye Contact:
- Rinse thoroughly with water for at least 15 minutes.
- Lift eyelids occasionally.
- Seek immediate medical attention—may cause severe irritation or burns.
- Ingestion:
- Do not induce vomiting.
- Rinse mouth with water.
- If conscious, give water or milk to dilute.
- Seek emergency medical care—barium chloride is highly toxic and may cause:
- Hypokalemia
- Muscle weakness or paralysis
- Cardiac arrhythmias
- Seizures or death
FIRE FIGHTING MEASURES
- Extinguishing Media:
- Use dry chemical, CO₂, foam, or water spray depending on the surroundings.
- Fire & Thermal Hazards:
- Not flammable, but decomposes at high temperatures, releasing:
- Toxic barium oxide (BaO) fumes
- Hydrogen chloride (HCl) gas
- Not flammable, but decomposes at high temperatures, releasing:
- Protective Equipment:
- Wear self-contained breathing apparatus (SCBA) and full protective gear.
- Firefighting Instructions:
- Keep containers cool with water spray.
- Avoid inhaling combustion products.
- Prevent contaminated runoff from entering drains or water bodies.
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