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Merck
CN

21098

Calcium chloride dihydrate

BioUltra, ≥99.5% (KT)

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About This Item

Empirical Formula (Hill Notation):
CaCl2 · 2H2O
CAS Number:
Molecular Weight:
147.01
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
233-140-8
MDL number:
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product line

BioUltra

assay

≥99.5% (KT)

form

solid

impurities

Insoluble matter, passes filter test, ≤0.002% Total nitrogen (N)

pH

5.0-8.0 (25 °C, 1 M in H2O)

mp

176 °C (dec.) (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

sulfate (SO42-): ≤50 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: ≤20 mg/kg, Mg: ≤50 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤100 mg/kg, Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.011, λ: 280 nm Amax: 0.010

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

Other Notes

Constituent of cell culture media. Preparation of microsomes by calcium aggregation; Preparation of mitochondrial ribosomes in which Ca2+ inhibits nuclease activity during mitochondrial lysis; Preparation of calcium alginate gels for microbial cell immobilization by gel entrapment; Role of calcium in the adhesion and fusion of bilayers


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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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M Kierstan et al.
Biotechnology and bioengineering, 19(3), 387-397 (1977-03-01)
Saccharomyces cerevisiae cells, Kluyveromyces marxianus cells, inulase, glucose oxidase, chloroplasts, and mitochondria were immobilized in calcium alginate gels. Ethanol production from glucose solutions by an immobilized preparation of S. cerevisiae was deomonstrated over a total of twenty-three days, and the
Preparation of microsomes with calcium.
J B Schenkman et al.
Methods in enzymology, 52, 83-89 (1978-01-01)
Preparation and analysis of mitochondrial ribosomes.
A M Lambowitz
Methods in enzymology, 59, 421-433 (1979-01-01)