Calcium bromide properties

Identity

Chemical name

Calcium bromide

Formula

CaBr₂

CAS number

7789-41-5 (anhydrous)

EC number

232-164-6

Typical HS heading

2827.59 — confirm with your customs broker

Physical properties

Molar mass

199.89 g/mol

Appearance

White crystalline solid

Density (solid)

3.353 g/cm³

Melting point

730 °C (1,346 °F)

Boiling point

1,935 °C (decomposes)

Solubility in water

143 g/100 mL at 20 °C; 312 g/100 mL at 100 °C

Other solvents

Soluble in ethanol and acetone

Behaviour

Hygroscopic; forms hydrates such as CaBr₂·2H₂O

Solutions and units

Calcium bromide is an ionic salt: one Ca²⁺ ion for every two Br⁻ ions. Dissolved, it gives dense solutions. A 52% solution has a density near 1.70 g/cm³.

Density conversions

1 lb/gal (ppg)

0.1198 g/cm³

11.6 ppg

≈ 1.39 g/cm³

14.2 ppg

≈ 1.70 g/cm³

15.3 ppg

≈ 1.83 g/cm³

Safety and storage

• May cause skin, eye and respiratory irritation; avoid contact and dust or mist.
• Wear gloves, eye protection and protective clothing.
• Store sealed, cool and dry, away from strong acids and oxidisers.
• Solutions can corrode some metals; check material compatibility.

This page is a summary. Always consult the safety data sheet for the product you receive.

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