1.02120

Calcium nitrate tetrahydrate

EMPLURA^®

• Synonym(s): Calcium nitrate tetrahydrate
• Linear Formula: Ca(NO₃)₂ · 4 H₂O
• CAS Number: 13477-34-4
• Molecular Weight: 236.15
• MDL number: MFCD00149604
• UNSPSC Code: 12352302
• EC Index Number: 233-332-1
• NACRES: NA.21

Properties

• Quality Level: 200
• product line: EMPLURA^®
• assay: ≥98.0% (complexometric)
• form: solid
• potency: 3900 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.3% Substances not precipitated by ammonium oxalate (as sulfate)
• pH: 5.0-7.0 (25 °C, 50 g/L in H₂O)
• mp: 45 °C
• solubility: 2710 g/L
• density: 1.82 g/cm³ at 20 °C
• bulk density: 1000 kg/m³
• anion traces: chloride (Cl^-): ≤0.005%; sulfate (SO₄^2-): ≤0.02%
• cation traces: Fe: ≤0.001%; NH₄⁺: ≤0.005%; heavy metals (as Pb): ≤0.002%
• storage temp.: 2-30°C
• InChI: 1S/Ca.2HNO3.4H2O/c;2*2-1(3)4;;;;/h;2*(H,2,3,4);4*1H2/q+2;;;;;;
• InChI key: DKCJOKYHYIAZQH-UHFFFAOYSA-N

Description

Application

• Influence of impurity on the properties of chemically synthesized calcium hydroxide: This study utilized Calcium nitrate tetrahydrate (Ca(NO3)2.4H2O) for the chemical precipitation synthesis of calcium hydroxide at room temperature (P Kumar et al., 2021).


• Study of the effect of calcium nitrate, calcium formate, triethanolamine, and triisopropanolamine on compressive strength of Portland-pozzolana cement: Explored the impact of Calcium nitrate tetrahydrate on the performance of Portland-pozzolana cement (A Derakhshani et al., 2023).


• Calcium nitrate tetra-hydrate-doped polyvinylidene fluoride thin films as potential devices for pressure sensors: Discusses the preparation and potential use of these doped films in sensor applications (KS Hwang et al., 2020).


• Effect of reaction rate on the properties of chemically synthesized calcium hydroxide nanoparticles: Investigates how varying the reaction rate affects the properties of nanoparticles synthesized using Calcium nitrate tetrahydrate (P Kumar et al., 2020).

Analysis Note

Assay (complexometric): ≥ 98.0 %
pH-value (5 %; water): 4.0 - 6.0
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.002 %
Fe (Iron): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.005 %
Substances not precipitated by ammonium oxalate (as sulfate): ≤ 0.3 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302 - H318
• pcodes: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1