1.02123

Calcium nitrate tetrahydrate

99.95 Suprapur^®

• 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: NB.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• Assay: 99.95%
• form: solid
• potency: 3900 mg/kg LD₅₀, oral (Rat)
• 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
• 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

• Calcium Nitrate Tetrahydrate in Hydroponics: Enhances the growth and nutritional quality of pepper plants by optimizing nitrogen forms and dissolved oxygen levels in nutrient solutions, demonstrating its crucial role in plant nutrient research and hydroponic agriculture systems (Roosta HR, 2024).


• Calcium Nitrate Tetrahydrate in Environmental Applications: Utilized in real-time applications for NO(x)-sorption on particulate calcium carbonate surface-flow filters exposed to combustion exhaust, showcasing its potential in reducing environmental pollution and improving air quality (Barać N, et al., 2024).


• Bioglass Production Using Organic Calcium Sources: Details the ecofriendly and scalable production of bioglass using calcium nitrate tetrahydrate, which enhances bioactivity for tissue repair, pointing to its significant applications in biomaterials and regenerative medicine (Chen Y, et al., 2024).


• Calcium Nitrate Tetrahydrate in Plant Stress Mitigation: Investigates the role of exogenous calcium nitrate tetrahydrate in improving the tolerance of tomato plants to environmental stresses, thereby contributing to more resilient agricultural practices (Yang L, et al., 2024).


• Calcium Nitrate Tetrahydrate in Wastewater Treatment: Demonstrates the application of calcium nitrate tetrahydrate in nutrient recovery systems for hydroponics, analyzing its efficiency in recycling and reducing the environmental impact of wastewater (Hofmann AH, et al., 2024).

Analysis Note

Purity (metallic): ≥ 99.95 %
Assay (complexometric): ≥ 99.0 %
Chloride (Cl): ≤ 20 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 20 ppm
Al (Aluminium): ≤ 0.05 ppm
Ba (Barium): ≤ 5 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.010 ppm
K (Potassium): ≤ 1.0 ppm
La (Lanthanum): ≤ 0.010 ppm
Li (Lithium): ≤ 2.0 ppm
Mg (Magnesium): ≤ 2.0 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 5 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.010 ppm
Rb (Rubidium): ≤ 10 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 50 ppm
Tl (Thallium): ≤ 0.005 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.010 ppm

Legal Information

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

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302 - H318
• Precautionary Statements: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1