Barium Carbonate

Product Description: Barium Carbonate

General Information:

• Chemical Name: Barium Carbonate
• CAS Number: 513-77-9
• EC Number: 208-167-3
• Molecular Formula: BaCO3
• Molecular Weight: 197.34 g/mol
• Appearance: White, orthorhombic hexagonal crystals

Physical Properties:

• Density: 4.43 g/cm³
• Melting Point: 811°C
• Boiling Point: 1450°C
• Water Solubility: Insoluble in water (0.002 g/100 mL at 20°C)

Applications: Barium Carbonate is utilized in a variety of industries due to its unique properties:

• Ceramic Capacitor: Used in the production of multi-layer ceramic capacitors (MLCC) and other electronic materials.
• PTC Thermistor: Employed as a raw material for PTC thermistors.
• Optical Glass: Serves as a raw material for optical glass and sputter glass used in semiconductors.
• Phosphor Materials: Used as a barium component in phosphor materials.
• Electronic Materials: High-purity barium carbonate has been widely used as a raw material for electronic materials.
• Chemical/Pharmaceutical Industry: Used in the production of other barium compounds and in water purification.
• Building Material: Utilized as a neutralizing agent for removing sulfate in inorganic salt production.

Safety and Handling:

• UN Number: 1564
• IMDG Class: 6.1 Group III
• Precautions: Barium Carbonate is harmful if swallowed and may cause acute gastrointestinal disorders, tendon reflexes, convulsions, and muscle paralysis. Emergency treatments include gastric lavage, enema, and vomiting induction.
• Storage: Store in a cool, dry, and well-ventilated area, separate from acids and food additives.

Regulatory Information:

• Hazard Class: Pesticide, Highly toxic.
• Acute Oral Toxicity: Rat LD50: 418 mg/kg; Mouse LD50: 200 mg/kg.