21111
Calcium chloride hexahydrate
tested according to Ph. Eur.
Synonym(s):
Calcii chloridum hexahydricum
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About This Item
Empirical Formula (Hill Notation):
CaCl2 · 6H2O
CAS Number:
Molecular Weight:
219.08
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
MDL number:
Form:
solid
Solubility:
H2O: soluble 219.1 g/L at 20 °C
Quality Level
agency
USP/NF, tested according to Ph. Eur.
form
solid
mp
30 °C
solubility
H2O: soluble 219.1 g/L at 20 °C
density
1.71 g/mL at 25 °C (lit.)
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
Application
Calcium chloride hexahydrate has been used as a test compound for measuring the overall activity of low-molecular-weight antioxidants in biological samples by using ′total antioxidative capacity′ inhibition assay.
Biochem/physiol Actions
Calcium chloride act as precipitants during protein crystallization process. It also enhances the competence of Escherichia coli cells in transformation experiments. It strengthen β-lactoglobulin gels by forming crossbridges.
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Matthew S Kimber et al.
Proteins, 51(4), 562-568 (2003-06-05)
Protein crystallization is a major bottleneck in protein X-ray crystallography, the workhorse of most structural proteomics projects. Because the principles that govern protein crystallization are too poorly understood to allow them to be used in a strongly predictive sense, the
M Dagert et al.
Gene, 6(1), 23-28 (1979-05-01)
Escherichia coli cells are 4--6 times more transformable and 20--30 times more competent after 24 h incubation in cold calcium chloride than immediately after calcium chloride treatment. With 24-h-old competent cells we obtained routinely 2 . 10(7) transformants per microgram
Livia Saleh et al.
Nature protocols, 5(10), 1627-1634 (2010-10-05)
Aerobic metabolism requires a complex antioxidative system to balance reactive oxygen species (ROS). When in excess, ROS disrupt cellular activities and molecular structures. Owing to the variety of ROS, there are different antioxidative activities that require various tests for their
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 21111-1KG | 04061826714508 |
| 21111-25KG | 04061833440155 |