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Sigma-Aldrich

Calcium chloride dihydrate

BioUltra, for molecular biology, ≥99.5% (KT)

Synonym(s):

CaCl2.2H2O

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About This Item

Empirical Formula (Hill Notation):
CaCl2 · 2H2O
CAS Number:
Molecular Weight:
147.01
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.26

grade

for molecular biology

Quality Level

product line

BioUltra

Assay

≥99.5% (KT)

form

solid

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤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: 0.015
λ: 280 nm Amax: 0.012

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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Application


  • Corncob-derived biodegradable packaging films: A sustainable solution for raspberry post-harvest preservation.: This study explores the use of corncob-derived biodegradable films infused with calcium chloride dihydrate to preserve raspberries post-harvest. The films effectively reduce microbial growth and extend the shelf life of the fruit (Paudel et al., 2024).

  • The Effect of a Setting Accelerator on the Physical and Mechanical Properties of a Fast-set White Portland Cement Mixed with Nano-zirconium Oxide.: The study examines the impact of calcium chloride dihydrate as a setting accelerator in cement composites, enhancing their mechanical properties and setting time, which is vital for construction applications (Chen et al., 2023).

  • Co-administration of Intravenous Drugs: Rapidly Troubleshooting the Solid Form Composition of a Precipitate in a Multi-drug Mixture Using On-Site Raman Spectroscopy.: This paper highlights the use of calcium chloride dihydrate in pharmaceutical formulations to stabilize drug mixtures and prevent precipitation, ensuring the efficacy of intravenous drugs (Nilsson et al., 2023).

  • Calcium chloride dihydrate supplementation at ICSI improves fertilization and pregnancy rates in patients with previous low fertilization: a retrospective paired treatment cycle study.: The research demonstrates that calcium chloride dihydrate supplementation during intracytoplasmic sperm injection (ICSI) significantly improves fertilization and pregnancy rates in patients with previous fertilization failures (Popkiss et al., 2022).

Other Notes

In the calcium phosphate method for the transfection of eukaryotic cells

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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