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223506

Sigma-Aldrich

Calcium chloride dihydrate

ACS reagent, ≥99%

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About This Item

Empirical Formula (Hill Notation):
CaCl2 · 2H2O
CAS Number:
10035-04-8
Molecular Weight:
147.01
EC Number:
233-140-8
MDL number:
MFCD00149613
UNSPSC Code:
12352300
PubChem Substance ID:
329752312
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor pressure

0.01 mmHg ( 20 °C)

Assay

≥99%
99.0-105.0% (ACS specification)

form

powder or crystals

impurities

≤0.003% oxidizers
≤0.01% NH4OH pptd.
≤0.01% calcium chloride
≤0.01% insolubles

pH

4.5-8.5 (25 °C, 5%)

mp

176 °C (dec.) (lit.)

anion traces

sulfate (SO42-): ≤0.01%

cation traces

Ba: ≤0.005%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.005%
NH4+: ≤0.005%
Na: ≤0.02%
Sr: ≤0.1%
heavy metals: ≤5 ppm (by ICP)

storage temp.

room temp

SMILES string

O.O.Cl[Ca]Cl

InChI

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

InChI key

LLSDKQJKOVVTOJ-UHFFFAOYSA-L

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General description

Calcium chloride dihydrate is a moisture resistant, cheap and commonly available calcium salt. Its efficacy as a chiral catalyst for various asymmetric organic reactions has been evaluated.

Application

Calcium chloride dihydrate may be used in combination with sodium borohydride for the asymmetric reduction of 1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-[(1S)-2-hydroxy-1-phenylethylamino]ethanone to form (1R)-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-[(1S)-2-hydroxy-1-phenylethylamino]ethanol.
Calcium chloride dihydrate has been used as a calcium supplement for the DMEM (Dulbecco′s modified Eagle′s medium) for use in cell culture studies. It has also been used to prepare the synthetic brine solution.
It may be used in the preparation of calcium-alginate beads.

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Calcium Chloride (CaCl2) as Catalyst for Asymmetric Organic Reactions.
Tsubogo T, et al.
Topics in Catalysis, 10(13), 935-939 (2014)
A mild, enantioselective synthesis of (R)-salmeterol via sodium borohydride-calcium chloride asymmetric reduction of a phenacyl phenylglycinol derivative
Bream RN, et al.
Journal of the Chemical Society. Perkin Transactions 1, 20, 2237-2242 (2002)
George Pasparakis et al.
International journal of pharmaceutics, 323(1-2), 34-42 (2006-07-11)
The aim of the present work was to investigate the swelling behavior and the in vitro release of the antihypertensive drug verapamil hydrochloride from calcium alginate and chitosan treated calcium alginate beads. Calcium-alginate beads, chitosan-coated alginate beads and alginate-chitosan mixed
Kenneth Lim et al.
Circulation, 125(18), 2243-2255 (2012-04-12)
Klotho is known to function as a cofactor for the phosphatonin, fibroblast growth factor (FGF)-23 at the kidney. FGF-23 levels rise in chronic kidney disease (CKD) despite progression of accelerated vascular calcification. There are currently conflicting data on whether FGF-23
Leyu Cui et al.
Analytical chemistry, 86(22), 11055-11061 (2014-11-05)
The methylene blue (MB) two-phase titration method is a rapid and efficient method for determining the concentrations of anionic surfactants. The point at which the aqueous and chloroform phases appear equally blue is called Epton's end point. However, many inorganic
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