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223506 Sigma-Aldrich

Calcium chloride dihydrate

ACS reagent, ≥99%

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Properties

Related Categories Calcium, Calcium Salts, Chemical Synthesis, Essential Chemicals, Inorganic Salts,
grade   ACS reagent
vapor pressure   0.01 mmHg ( 20 °C)
assay   ≥99%
  99.0-105.0% (ACS specification)
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-OES)
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

Description

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 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.

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.

Packaging

12 kg in fiber drum

25, 500, 6×500 g in poly bottle

2.5 kg in poly bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
EV9810000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles
Peer-Reviewed Papers
15

References

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