Substance profile
Barium chloride
Barium chloride is white orthorhombic crystals and is odorless.
01 · Identification
What Barium chloride is
Barium chloride is white orthorhombic crystals and is odorless. Its molecular formula is BaCl2 and its molecular weight is 208.23 g/mol. It boils at 1560 °C, melts at 961 °C.
Under the GHS it carries the signal word Danger.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H301 | Toxic if swallowed. |
| H332 | Harmful if inhaled. |
Precautionary statements: P260, P270, P271, P301, P304, P310, P312, P330
03 · Physical and chemical properties
Barium chloride properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 1560 °C (2840 °F) | HSDB | |
| 1560 °C (2840 °F) | at 760 mmHg | CAMEO | |
| Melting point | 961 °C (1761.8 °F) | HSDB | |
| 962.78 °C (1765 °F) | NIOSH | ||
| 960 °C (1760 °F) | ICSC | ||
| Density | 3.9 g/cm³ | HSDB | |
| 3.86 g/cm³ | NIOSH | ||
| 3.856 g/cm³ | CAMEO | ||
| Solubility | Practically insoluble in ethanol | HSDB | |
| 38% | NIOSH | ||
| 37.0 g/100 g water at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | Essentially zero | HSDB | |
| Low | NIOSH | ||
| Low (NIOSH, 2024) | CAMEO | ||
| Lower explosive limit (LEL) | Noncombustible Solid | NIOSH |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Barium chloride
Storage conditions
Separated from food and feedstuffs.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Bromine trifluoride rapidly attacks barium chloride.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
BARIUM CHLORIDE may react violently with BrF3 and 2-Furan percarboxylic acid in its anhydrous form. (NTP, 1992)
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Barium chloride in the storage compatibility matrix →