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Key Documents

21108

Sigma-Aldrich

Calcium chloride hexahydrate

BioUltra, ≥98.0% (calc. based on dry substance, KT)

Synonym(s):

CaCl2, Calcium chloride, Calcium dichloride

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About This Item

Empirical Formula (Hill Notation):
CaCl2 · 6H2O
CAS Number:
Molecular Weight:
219.08
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.26
grade:
reagent grade
form:
solid
solubility:
H2O: 1 M at 20 °C, clear, colorless

grade

reagent grade

Quality Level

product line

BioUltra

Assay

≥98.0% (calc. based on dry substance, KT)

form

solid

impurities

Insoluble matter, passes filter test

pH

5.0-7.0 (25 °C, 1 M in H2O)

mp

30 °C

solubility

H2O: 1 M at 20 °C, clear, colorless

density

1.71 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤50 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.018
λ: 280 nm Amax: 0.015

SMILES string

O.O.O.O.O.O.Cl[Ca]Cl

InChI

1S/Ca.2ClH.6H2O/h;2*1H;6*1H2/q+2;;;;;;;;/p-2

InChI key

QHFQAJHNDKBRBO-UHFFFAOYSA-L

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Application


  • Hybrid Polymer Salogels for Reversible Entrapment of Salt-Hydrate-Based Thermal Energy Storage Materials.: This research explores the use of hybrid polymer salogels to encapsulate salt hydrates like calcium chloride hexahydrate for thermal energy storage applications. The study highlights the potential of these materials for reversible energy storage, enhancing their efficiency and sustainability (Rajagopalan et al., 2024).

Caution

may also be liquid at temperatures >28°C

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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