CAS 10043-52-4: Calcium Chloride (CaCl2)

Identity

CAS Number10043-52-4
Molecular FormulaCaCl2
IUPAC Namecalcium dichloride
Molecular Weight110.98 g/mol
SMILES[Cl-].[Cl-].[Ca+2]
Synonymscalcium chloride, calcium dichloride, calcium(II) chloride, CaCl2

2D Structure

Physical Properties

Density2.15 g/mL at 25°C
Boiling Point1935.0°C
Melting Point772.0°C
Flash PointNone°C
Vapor Pressure0.0 kPa at 20°C
Refractive IndexnD = 1.52
Dielectric Constantε = 6.0

Safety & GHS Classification

Irritant

Storage: Store in a cool, dry area. Highly hygroscopic — absorbs moisture from air rapidly. Keep container tightly sealed. Store away from strong bases (exothermic reaction). Use in dry conditions.

Material Compatibility Matrix

Plastics

MaterialRating
PTFEExcellent
PVCExcellent
PEExcellent
PPExcellent
PEEKExcellent
PVDFExcellent

Rubbers

MaterialRating
VitonExcellent
NBRExcellent
EPDMExcellent
SiliconeExcellent
FKMExcellent

Metals

MaterialRating
Stainless 316Excellent
AluminumGood
CopperGood
BrassGood

Applications

External References: PubChem

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