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Merck
CN

31218

Calcium nitrate tetrahydrate

puriss. p.a., ACS reagent, 99-103%

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About This Item

Linear Formula:
Ca(NO3)2 · 4H2O
CAS Number:
Molecular Weight:
236.15
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
233-332-1
MDL number:
Assay:
99-103%
Form:
solid
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grade

ACS reagent, puriss. p.a.

assay

99-103%

form

solid

impurities

≤0.0005% heavy metals (as Pb), ≤0.005% ammonium (NH4), ≤0.005% water-insoluble matter

pH

5.0-7.0 (20 °C, 5%)

mp

44 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg, nitrite (NO2-): ≤10 mg/kg, phosphate (PO43-): ≤10 mg/kg, sulfate (SO42-): ≤20 mg/kg

cation traces

Ba: ≤50 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤100 mg/kg, Na: ≤100 mg/kg, Sr: ≤100 mg/kg

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

Application

Calcium nitrate tetrahydrate may be used to prepare a molten solvent mixture of acetamide (80mol%) and calcium nitrate tetrahydrate (20mol%). The absorption spectra of Co(II) chloride complexes was studied in these molten mixtures. It may be employed in the hydrothermal synthesis of rod-like hydroxyapatite.


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pictograms

CorrosionExclamation mark

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Danger

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Preparation and characterization of thermally stable nanohydroxyapatite.
Zhang S and Gonsalves KE.
Journal of Materials Science. Materials in Medicine, 8(1), 25-28 (1997)
Eagleson M.
Concise Encyclopedia Chemistry, 164-164 (1994)
Cobalt (II) chloride complex formation in acetamide-calcium nitrate tetrahydrate melts.
Savovic J, et al.
Journal of Solution Chemistry, 33(3), 287-300 (2004)