C

Calcium chloride

IUPAC: calcium dichloride

CaCl2 Salts CAS 10043-52-4
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Quick Reference
Formula / NotationCaCl2
CAS Number10043-52-4
Molecular Weight110.98
Melting Point782 °C
Boiling Point1935 °C
Density2.15 at 68 °F (USCG, 1999) - Denser than water; will sink
Solubility0.745 g/mL (at 20 °C)
AppearanceCalcium chloride is a white to off-white solid. Sinks and mixes with water. (USCG, 1999)
Also Known Ascalcium dichloride; 10043-52-4; Calcium chloride anhydrous; Calcium dichloride; CaCl2; Dowflake; Liquidow; Peladow; Calcium chloride (CaCl2); Bovikalc
CategorySalts

What is Calcium chloride?

Calcium dichloride is an inorganic calcium salt, a calcium salt and an inorganic chloride. It has a role as a NMR chemical shift reference compound and a fertilizer.

Formula & Notation

CaCl2

IUPAC Name: calcium dichloride

Other Names / Synonyms: calcium dichloride; 10043-52-4; Calcium chloride anhydrous; Calcium dichloride; CaCl2; Dowflake; Liquidow; Peladow; Calcium chloride (CaCl2); Bovikalc

Properties & Characteristics

Appearance: Calcium chloride is a white to off-white solid. Sinks and mixes with water. (USCG, 1999). Molecular formula: CaCl2. Molecular weight: 110.98 g/mol. Boiling point: 1935 °C. Melting point: 782 °C. Density: 2.15 at 68 °F (USCG, 1999) - Denser than water; will sink. Solubility: 0.745 g/mL (at 20 °C).

Physical Data

PropertyValue
Melting Point782 °C
Boiling Point1935 °C
Density2.15 at 68 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight110.98
Solubility0.745 g/mL (at 20 °C)
AppearanceCalcium chloride is a white to off-white solid. Sinks and mixes with water. (USCG, 1999)

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 Calcium chloride
Formula CaCl2
CAS Number 10043-52-4
Molecular Weight 110.98
Category Salts
Synonyms calcium dichloride; 10043-52-4; Calcium chloride anhydrous; Calcium dichloride; CaCl2; Dowflake; Liquidow; Peladow; Calcium chloride (CaCl2); Bovikalc

Frequently Asked Questions

Calcium dichloride is an inorganic calcium salt, a calcium salt and an inorganic chloride. It has a role as a NMR chemical shift reference compound and a fertilizer.

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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.