Barium chloride dihydrate

CAS Number
10326-27-9
EC Number
600-412-6

What is Barium chloride dihydrate?

Barium chloride dihydrate (CAS 10326-27-9), also known as Baryta Muriatica or BaCl2·2H2O, is an inorganic barium salt in hydrated crystalline form.

Where is Barium chloride dihydrate used?

  • Water treatment: removes sulfate ions through precipitation, helping industrial facilities manage effluent composition and meet discharge standards
  • Metallurgy and metal surface treatment: heat treatment salt baths for steel hardening, providing controlled thermal environments for case hardening
  • Textile and leather processing: mordant and fixative in dyeing and finishing baths to improve color retention on fiber substrates
  • Pulp and paper: process chemical for sulfate removal and catalyst precursor in select chemical synthesis workflows
  • It also functions as a chemical intermediate, precipitating agent, and process additive.

Commercial specifications

  • Purity typically 98% to 99%+
  • Bags and drums for bulk industrial procurement

Other Names (Synonyms)

Barium dichloride dihydrate|BaCl2.2H2O|BARYTA MURIATICA|EL5GJ3U77E|RefChem:57578|Barium chloride (BaCl2), dihydrate|Barium chloride (BaCl2) hydrate (1:2)

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What are the physical properties of Barium chloride dihydrate?

Melting Point 113 °C
Boiling Point 1560 °C
Density 3.86 g/cm³
Appearance White solid
Color White
Form Solid
Water Solubility soluble
pH 5.2-8.2 (25℃, 50mg/mL in H2O)

How is Barium chloride dihydrate classified and handled safely? Learn More

Danger
GHS06· Toxic GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H301 Toxic if swallowed
H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation

Precautionary Statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.

Which trade and regulatory codes apply to Barium chloride dihydrate?

HS Code 28273980
UN Number 1564
ADR Class 6.1
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 1
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