1.02121

Calcium nitrate tetrahydrate

for analysis EMSURE^® ACS

• 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

• grade: ACS reagent
• Quality Level: 300
• product line: EMSURE^®
• assay: 99.0-102.0% (complexometric)
• form: solid
• potency: 3900 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.005% Insoluble matter
• 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%; nitrite (NO₂^-): ≤0.001%; sulfate (SO₄^2-): ≤0.002%
• cation traces: Ba: ≤0.005%; Cu: ≤0.0002%; Fe: ≤0.0005%; K: ≤0.005%; Mg: ≤0.01%; Na: ≤0.01%; Sr: ≤0.01%; heavy metals: ≤0.0005%
• 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

• Synthesis and Antimicrobial Analysis of High Surface Area Strontium-Substituted Calcium Phosphate Nanostructures for Bone Regeneration.: This study utilizes calcium nitrate tetrahydrate in the synthesis of strontium-substituted calcium phosphate nanostructures. These nanostructures exhibit high surface area and significant antimicrobial properties, making them promising for applications in bone regeneration and biomedical implants (Anwar et al., 2023).


• Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy.: Calcium nitrate tetrahydrate is used in the production of nano hydroxyapatite and Mg-whitlockite from biowaste. This continuous flow hydrothermal synthesis process supports sustainable practices and promotes a circular economy in material production (Nigar et al., 2023).


• Preparation and In Vitro Bioactivity Study of a Novel Hollow Mesoporous Bioactive Glass Nanofiber Scaffold.: This research employs calcium nitrate tetrahydrate in the preparation of bioactive glass nanofiber scaffolds. These scaffolds exhibit excellent bioactivity and are suitable for bone tissue engineering applications (Xiao et al., 2022).


• Bioinspired Nanonetwork Hydroxyapatite from Block Copolymer Templated Synthesis for Mechanical Metamaterials.: Calcium nitrate tetrahydrate is used in the synthesis of bioinspired nanonetwork hydroxyapatite. This material shows potential for use in mechanical metamaterials due to its unique structural and mechanical properties (Sadek et al., 2022).

Linkage

Replaces: CX0255; CX0255-1; CX0255-20

Analysis Note

Assay (complexometric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 5.0 - 7.0
Chloride (Cl): ≤ 0.005 %
Nitrite (NO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (ACS): ≤ 0.0005 %
Ba (Barium): ≤ 0.005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.01 %
Na (Sodium): ≤ 0.01 %
Sr (Strontium): ≤ 0.01 %
Corresponds to ACS

Legal Information

EMSURE 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