Formula: | Ba(OH)₂ |
EC Number (EINECS): | 215-183-4 |
HS Code: | 28251000 |
UN Number: | 1814 |
IUPAC Name: | Barium Dihydroxide |
Also Known As: | Barium Hydroxide Octahydrate; Barium Di-hydroxide |
Molecular Weight, g/mol: | 171.34 (octahydrate) |
Appearance: | White crystalline powder / granules |
Odor: | Odorless |
Melting Point, °C: | Decomposes >408 |
Boiling Point, °C: | Decomposes |
Density, g/cm³ (at 20°C): | 3.89 (anhydrous) |
pH (1% solution): | Strongly alkaline (~12) |
Purity, %: | ≥98 |
Grades Available: | Technical, Reagent, Analytical |
Packaging: | 25kg bags, 50kg bags, 500kg jumbo bags |
Primary Applications
Used in sugar refining to remove impurities
Production of lubricating greases (via barium soaps)
Manufacture of optical glass and ceramics
Secondary Applications
Laboratory reagent for titrations and chemical analysis
Used in water treatment and pH adjustment
Intermediate in various barium salts production
End Industries Served: Sugar, Ceramics & Glass, Lubricants, Laboratories, Water Treatment, Chemicals
Hazard Class (GHS): Corrosive (Category 1), Acute Toxicity (Category 4)
Hazard Statements (H-Codes):
H302: Harmful if swallowed
H314: Causes severe skin burns and eye damage
H332: Harmful if inhaled
Precautionary Statements (P-Codes):
P280: Wear protective gloves/eye protection
P301 + P330 + P331: IF SWALLOWED – rinse mouth; do not induce vomiting
P305 + P351 + P338: IF IN EYES – rinse cautiously with water for several minutes
Storage Conditions
Store in a tightly sealed container in a cool, dry, well-ventilated area
Protect from moisture and carbon dioxide (forms carbonate on contact)
Transport Information
ADR/RID: Class 8, UN1814, PG II
IMDG: Class 8, UN1814
IATA: Class 8, UN1814
REACH Status (EU): Registered
FDA Approval: Not approved for food use
ISO Certification: Available on request (ISO 9001 for manufacturing grade)
Country Standards: Complies with ACS / Reagent grade standards depending on grade