B

Barium chloride

IUPAC: barium(2+) dichloride

BaCl2 Salts CAS 10361-37-2
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Quick Reference
Formula / NotationBaCl2
CAS Number10361-37-2
Molecular Weight208.23
Melting Point1764 to 1765 °F transition to cubic crystals at 1697 °F (NTP, 1992)
Boiling Point2840 °F at 760 mmHg (NTP, 1992)
Density3.856 (NTP, 1992) - Denser than water; will sink
Solubility38 % (NIOSH, 2024)
AppearanceBarium chloride appears as white crystals. A salt arising from the direct reaction of barium and chlorine. Toxic by ingestion. (NTP, 1992)
Also Known Asbarium(2+) dichloride; Barium chloride (BaCl2); Ba 0108E; SBA 0108E; NCI-C61074; 0VK51DA1T2; NSC-146181; DICHLOROBARIUM; RefChem:5582; 233-788-1
CategorySalts

What is Barium chloride?

Barium chloride (BaCl2) is a salt that appears as Barium chloride appears as white crystals. A salt arising from the direct reaction of barium and chlorine. Toxic by ingestion. (NTP, 1992). It has a molecular weight of 208.23 g/mol. Its IUPAC name is barium(2+) dichloride. Boiling point: 2840 °F at 760 mmHg (NTP, 1992). Melting point: 1764 to 1765 °F transition to cubic crystals at 1697 °F (NTP, 1992).

Formula & Notation

BaCl2

IUPAC Name: barium(2+) dichloride

Other Names / Synonyms: barium(2+) dichloride; Barium chloride (BaCl2); Ba 0108E; SBA 0108E; NCI-C61074; 0VK51DA1T2; NSC-146181; DICHLOROBARIUM; RefChem:5582; 233-788-1

Properties & Characteristics

Appearance: Barium chloride appears as white crystals. A salt arising from the direct reaction of barium and chlorine. Toxic by ingestion. (NTP, 1992). Molecular formula: BaCl2. Molecular weight: 208.23 g/mol. Boiling point: 2840 °F at 760 mmHg (NTP, 1992). Melting point: 1764 to 1765 °F transition to cubic crystals at 1697 °F (NTP, 1992). Density: 3.856 (NTP, 1992) - Denser than water; will sink. Solubility: 38 % (NIOSH, 2024). Vapor pressure: Low (NIOSH, 2024).

Physical Data

PropertyValue
Melting Point1764 to 1765 °F transition to cubic crystals at 1697 °F (NTP, 1992)
Boiling Point2840 °F at 760 mmHg (NTP, 1992)
Density3.856 (NTP, 1992) - Denser than water; will sink
Molecular Weight208.23
Solubility38 % (NIOSH, 2024)
AppearanceBarium chloride appears as white crystals. A salt arising from the direct reaction of barium and chlorine. Toxic by ingestion. (NTP, 1992)

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Barium chloride
Formula BaCl2
CAS Number 10361-37-2
Molecular Weight 208.23
Category Salts
Synonyms barium(2+) dichloride; Barium chloride (BaCl2); Ba 0108E; SBA 0108E; NCI-C61074; 0VK51DA1T2; NSC-146181; DICHLOROBARIUM; RefChem:5582; 233-788-1

Frequently Asked Questions

Barium chloride (BaCl2) is a salt that appears as Barium chloride appears as white crystals. A salt arising from the direct reaction of barium and chlorine. Toxic by ingestion. (NTP, 1992). It has a molecular weight of 208.23 g/mol. Its IUPAC name is barium(2+) dichloride. Boiling point: 2840 °F at 760 mmHg (NTP, 1992). Melting point: 1764 to 1765 °F transition to cubic crystals at 1697 °F (NTP, 1992).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.