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Barium Carbonate Extra Pure
Original price was: $ 18.00.$ 17.78Current price is: $ 17.78.
Barium Carbonate Extra Pure is a high-purity, white, odorless powder commonly used in laboratory settings for analytical, inorganic, and materials chemistry. It serves as a key reagent in qualitative analysis for detecting and precipitating sulfate ions, as well as a precursor in the synthesis of other barium compounds. Its low solubility in water but reactivity with acids makes it valuable in controlled reaction studies and carbonate system investigations. The extra pure grade ensures minimal contamination, making it suitable for high-precision research and educational experiments. It should be handled with care and stored in a tightly sealed container in a cool, dry place, as barium compounds are toxic if ingested or inhaled.
Barium Carbonate Extra Pure
Primary Uses
- Reagent for Acid Neutralization and Gas Generation
- Reacts with dilute acids (e.g., HCl) to release carbon dioxide gas (CO₂) — used in gas evolution demonstrations and stoichiometric calculations.
- Precursor in the Preparation of Other Barium Salts
- Used to synthesize barium nitrate, chloride, acetate, and other soluble barium compounds through acid-base reactions.
- Qualitative Test for Acid Radicals (Carbonates Group)
- Serves as a representative Group I anion salt in qualitative analysis, especially for observing effervescence and gas tests.
- Model Compound in Solubility Product (Ksp) and Equilibrium Studies
- Demonstrates principles of low-solubility salts, common ion effect, and precipitation equilibria.
- Component in Laboratory-Scale Ceramic and Material Research
- Used in forming barium-containing glass, ceramics, or ferrites, especially in advanced inorganic or solid-state chemistry experiments.
Secondary Uses
- Ion-Exchange and Water Softening Studies
- Can be used to simulate precipitation of hardness ions (e.g., sulfate) in environmental chemistry labs.
- Starting Material in Crystal Growth and Solid-State Synthesis
- Acts as a Ba²⁺ source for growing single crystals or solid-state compounds such as BaTiO₃, BaFe₁₂O₁₉, etc.
- Research on Thermal Decomposition and Calcination
- Studied in thermal analysis (TGA/DSC) for carbonate stability, decomposition to BaO, and CO₂ release profiles.
- Flame Coloration in Demonstrations
- Although less common than soluble barium salts, can be used in green flame tests when converted to volatile forms.
- Environmental Chemistry Simulations
- Applied in simulating mineral precipitation or soil ion interaction experiments in geochemistry research.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Barium Carbonate
- CAS Number: 513-77-9
- HS Code: 28366000 (Barium carbonate)
- Molecular Formula: BaCO₃
- Synonyms:
- Carbonic acid, barium salt
- Witherite (mineral form)
- Barium monocarbonate
2. Physical & Chemical Properties
- Physical State: Solid (fine powder or granules)
- Color & Odor: White to off-white; odorless
- Boiling Point: Decomposes before boiling
- Melting Point: ~811 °C (decomposes to BaO and CO₂)
- Density/Specific Gravity: ~4.29 g/cm³
- Solubility:
- Water: Practically insoluble (~0.002 g/100 mL at 20 °C)
- Acids: Soluble with effervescence (CO₂ release)
- pH Level: Slightly alkaline suspension
- Vapor Pressure: Not applicable (non-volatile)
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS):
- Acute Toxicity – Oral (Category 3)
- Harmful if ingested; may affect nervous and muscular systems
- NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- OSHA PEL (as soluble barium compounds): 0.5 mg/m³ (as Ba)
- ACGIH TLV: 0.5 mg/m³ (as Ba)
- Reactivity:
- Stable in dry air
- Reacts with acids to release carbon dioxide and soluble barium
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area
- Keep container tightly closed
- Incompatible Materials:
- Strong acids (forms toxic soluble barium salts)
- Moisture (can promote slow reactivity)
- Container Type:
- Airtight plastic or glass containers
- Shelf Life & Expiration Date:
- ~3 years if kept sealed and dry
- Special Handling Requirements:
- Use gloves, lab coat, and dust mask
- Avoid ingestion or inhalation of dust
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed under TSCA, REACH
- Toxic substance – requires safe handling
- Transportation Restrictions:
- Not classified as hazardous for transport
- Waste Disposal Method:
- Dispose as hazardous waste
- Never dispose down the drain
6. Environmental & Health Impact
- Ecotoxicity:
- Very toxic to aquatic life if converted to soluble barium in environment
- Persistence in Environment:
- Inert in soil; low mobility due to low solubility
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic
- Biodegradability:
- Inorganic; not biodegradable
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Wear a lab coat, chemical-resistant gloves (nitrile), and safety goggles.
- Use a dust mask or work inside a fume hood to avoid inhaling fine powders.
- Handling:
- Avoid inhalation, ingestion, and contact with eyes or skin.
- Handle powder gently to prevent airborne particles.
- Do not mix with acids—reacts to release toxic carbon dioxide and soluble barium ions.
- Storage:
- Store in a cool, dry, well-ventilated area.
- Keep container tightly sealed and away from acids and moisture.
- Clearly label container as Toxic.
- Hygiene Measures:
- Wash hands and face thoroughly after handling.
- Clean up spills with care to avoid dust generation.
- Never eat, drink, or smoke in work areas.
FIRST AID MEASURES
- Inhalation:
- Remove person to fresh air immediately.
- If breathing is difficult, provide oxygen.
- Seek immediate medical attention—dust is toxic when inhaled.
- Skin Contact:
- Wash affected areas with soap and plenty of water.
- Remove contaminated clothing.
- Seek medical advice if irritation or absorption symptoms occur.
- Eye Contact:
- Flush eyes with plenty of water for at least 15 minutes, lifting eyelids occasionally.
- Seek immediate medical attention—can cause corneal irritation.
- Ingestion:
- Do NOT induce vomiting.
- Rinse mouth with water.
- Give water or milk only if the person is fully conscious.
- Seek emergency medical treatment—barium carbonate is highly toxic and can cause:
- Severe muscle weakness
- Vomiting, diarrhea
- Convulsions
- Cardiac arrhythmias
- Hypokalemia
FIRE FIGHTING MEASURES
- Suitable Extinguishing Media:
- Use dry chemical, CO₂, or foam depending on surrounding materials.
- Water may be used cautiously to cool unaffected containers.
- Specific Hazards:
- Non-flammable, but decomposes when heated to release:
- Carbon dioxide (CO₂)
- Toxic barium oxide (BaO) fumes
- Non-flammable, but decomposes when heated to release:
- Protective Equipment:
- Firefighters must wear SCBA (self-contained breathing apparatus) and full protective gear.
- Firefighting Instructions:
- Approach fire from upwind.
- Avoid breathing dust or combustion byproducts.
- Prevent runoff—toxic to aquatic life and soils.
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