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442909

Sigma-Aldrich

Calcium chloride hexahydrate

≥95%

Synonym(s):

Calcium dichloride hexahydrate

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About This Item

Empirical Formula (Hill Notation):
CaCl2 · 6H2O
CAS Number:
7774-34-7
Molecular Weight:
219.08
MDL number:
MFCD00149616
UNSPSC Code:
12352302
PubChem Substance ID:
24868038
NACRES:
NA.23

Quality Level

200

Assay

≥95%

form

solid

mp

30 °C

solubility

219.1 g/L at 20 °C

density

1.71 g/mL at 25 °C (lit.)

shipped in

wet ice

storage temp.

2-8°C

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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General description

Calcium chloride hexahydrate is a non-toxic salt hydrate that can be used in phase change heat storage of low temperature heat. It has a latent heat of fusion as high as 170-190 kJ/Kg and a melting temperature of 29-30°C.

Application

Calcium chloride hexahydrate is a phase changing material (PCM) that is widely used in solar energy storage and building applications.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

442909-2.5KG:
442909-VAR:
442909-BULK:
442909-1KG:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM3180
BCCL0055
BCCK2210
BCCH7314
BCCG1349

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A novel calcium chloride hexahydrate-based deep eutectic solvent as a phase change materials
Shahbaz K, et al.
Solar Energy Materials and Solar Cells, 155(4), 147-154 (2016)
Phase change behaviour of some latent heat storage media based on calcium chloride hexahydrate
Carlsson Bo
Solar Energy, 83(4), 485-500 (2009)
Salt hydrates as latent heat storage materials: Thermophysical properties and costs
Kenisarin M and Mahkamov K
Solar Energy Materials and Solar Cells, 145(5), 255-286 (2016)
Phase change material (PCM) based thermal management system for cool energy storage application in building: An experimental study
Tyagi VV, et al.
Energy and Buildings, 51(5), 248-254 (2012)
Experimental investigations on heat transfer in phase change materials (PCMs) embedded in porous materials
Zhou D and Zhao C
Applied Thermal Engineering, 31(5), 970-977 (2011)
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