237124
Calcium nitrate tetrahydrate
ACS reagent, 99%
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About This Item
grade
ACS reagent
Quality Segment
assay
99%, 99.0-103.0% (ACS specification)
form
flakes, powder, crystals or granules
impurities
≤0.005% insolubles
pH
5.0-7.0 (25 °C, 5%)
mp
44 °C (dec.) (lit.)
density
1.86 g/mL at 25 °C
anion traces
chloride (Cl-): ≤0.005%, nitrite (NO2-): ≤0.001%, sulfate (SO42-): ≤0.002%
cation traces
Ba: ≤0.005%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.05%, Na: ≤0.01%, Sr: ≤0.05%, heavy metals: ≤5 ppm (by ICP-OES)
SMILES string
O.O.O.O.[Ca++].[O-][N+]([O-])=O.[O-][N+]([O-])=O
InChI
1S/Ca.2NO3.4H2O/c;2*2-1(3)4;;;;/h;;;4*1H2/q+2;2*-1;;;;
InChI key
ICSSIKVYVJQJND-UHFFFAOYSA-N
General description
Application
As a calcium precursor in the synthesis of nano-hydroxyapatite (HA) particles by sol-gel precipitation method along with potassium precursor potassium dihydrogen phosphate.
As a precursor along with diammonium hydrogen phosphate in the synthesis of nano-hydroxyapatite (n-HAP) by a wet chemical technique.
In the fabrication of 58S bioactive glass with the composition consisting of ternary system SiO2 (58 wt%) - CaO (33 wt%) - P2O5 (9wt%).
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1
Storage Class
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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