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21108

Sigma-Aldrich

Calcium chloride hexahydrate

BioUltra, ≥99.0% (calc. based on dry substance, KT)

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Synonym(s):
CaCl2, Calcium chloride, Calcium dichloride
Empirical Formula (Hill Notation):
CaCl2 · 6H2O
CAS Number:
Molecular Weight:
219.08
MDL number:
PubChem Substance ID:
NACRES:
NA.26

product line

BioUltra

assay

≥99.0% (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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1 of 4

This Item
442909C3306C5670
vibrant-m

21108

Calcium chloride hexahydrate

Premium Grade
vibrant-m

442909

Calcium chloride hexahydrate

-
vibrant-m

C3306

Calcium chloride dihydrate

-
vibrant-m

C5670

Calcium chloride

Essential+ Grade
assay

≥99.0% (calc. based on dry substance, KT)

assay

98%

assay

≥99.0%

assay

≥96.0%

form

solid

form

solid

form

powder

form

powder

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

219.1 g/L at 20 °C

solubility

H2O: 294 mg/mL, clear, colorless

solubility

-

impurities

Insoluble matter, passes filter test

impurities

-

impurities

-

impurities

-

density

1.71 g/mL at 25 °C (lit.)

density

1.71 g/mL at 25 °C (lit.)

density

-

density

-

Caution

may also be liquid at temperatures >28°C

Pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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