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Calcium chloride hexahydrate

SIGMA/21108 - BioUltra, ≥98.0% (calc. based on dry substance, KT)

Synonym: CaCl2; Calcium chloride; Calcium dichloride

CAS Number: 7774-34-7
Empirical Formula (Hill Notation): CaCl2 · 6H2O
Molecular Weight: 219.08
MDL Number: MFCD00149616
Linear Formula: CaCl2 · 6H2O
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-21108-500G 500 g
$91.60
1/EA
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45-21108-5KG 5 kg
$410.00
1/EA
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λ 1 M in H2O
anion traces sulfate (SO42-): ≤100 mg/kg
assay ≥98.0% (calc. based on dry substance, KT)
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: ≤5 mg/kg
  Mg: ≤50 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤500 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
density 1.71 g/mL at 25 °C (lit.)
form solid
impurities Insoluble matter, passes filter test
InChI 1S/Ca.2ClH.6H2O/h;2*1H;6*1H2/q+2;;;;;;;;/p-2
InChI key QHFQAJHNDKBRBO-UHFFFAOYSA-L
mp 30 °C
pH 5.0-7.0 (25 °C, 1 M in H2O)
product line BioUltra
Quality Level 100 
SMILES string O.O.O.O.O.O.Cl[Ca]Cl
solubility H2O: 1 M at 20 °C, clear, colorless
UV absorption λ: 260 nm Amax: 0.018
  λ: 280 nm Amax: 0.015
Application:

  • Hybrid Polymer Salogels for Reversible Entrapment of Salt-Hydrate-Based Thermal Energy Storage Materials.: This research explores the use of hybrid polymer salogels to encapsulate salt hydrates like calcium chloride hexahydrate for thermal energy storage applications. The study highlights the potential of these materials for reversible energy storage, enhancing their efficiency and sustainability (Rajagopalan et al., 2024 ).

Caution: may also be liquid at temperatures >28°C
Symbol GHS07  GHS07
Signal word Warning
Hazard statements H319
Precautionary statements P280 - P305 + P351 + P338 - P337 + P313
Hazard Codes Xi
Risk Statements 36
Safety Statements 22-24
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥98.0% (calc. based on dry substance, KT)
mp 30 °C
Density 1.71 g/mL at 25 °C (lit.)
UNSPSC 12352302

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