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237124

Sigma-Aldrich

Calcium nitrate tetrahydrate

ACS reagent, 99%

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About This Item

Fórmula lineal:
Ca(NO3)2 · 4H2O
Número de CAS:
13477-34-4
Peso molecular:
236.15
Número CE:
233-332-1
Número MDL:
MFCD00149604
Código UNSPSC:
12352300
ID de la sustancia en PubChem:
329752445
NACRES:
NB.24
En este momento no podemos mostrarle ni los precios ni la disponibilidad

grado

ACS reagent

Ensayo

99%
99.0-103.0% (ACS specification)

Formulario

flakes
powder, crystals or granules

impurezas

≤0.005% insolubles

pH

5.0-7.0 (25 °C, 5%)

mp

44 °C (dec.) (lit.)

densidad

1.86 g/mL at 25 °C

trazas de anión

chloride (Cl-): ≤0.005%
nitrite (NO2-): ≤0.001%
sulfate (SO42-): ≤0.002%

trazas de catión

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)

cadena SMILES

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;;;;

Clave InChI

ICSSIKVYVJQJND-UHFFFAOYSA-N

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Categorías relacionadas

Descripción general

Calcium nitrate tetrahydrate is an inorganic compound and can be used in cooling baths and wastewater management.

Aplicación

Calcium nitrate tetrahydrate is used:
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%).

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palabra de señalización

Danger

Frases de peligro

H302,H318

Clasificaciones de peligro

Acute Tox. 4 Oral - Eye Dam. 1

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000405790
0000317446
0000354328
MKCW7096
MKCV9236

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Joana Moreira et al.
Molecules (Basel, Switzerland), 25(4) (2020-02-23)
Freestanding films based on catechol functionalized chitosan (CHI), hyaluronic acid (HA), and bioglass nanoparticles (BGNPs) were developed by spin-coating layer-by-layer assembly (SA-LbL). The catechol groups of 3,4-dihydroxy-l-phenylalanine (DOPA) present in the marine mussels adhesive proteins (MAPs) are the main factors
The temperature dependence of transport properties of ionic liquids. The conductance and viscosity of calcium nitrate tetrahydrate and sodium thiosulfate pentahydrate.
Moynihan CT.
The Journal of Physical Chemistry, 70(11), 3399-3403 (1966)
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)
Breno R Barrioni et al.
Journal of colloid and interface science, 547, 382-392 (2019-04-12)
Bioactive glass nanoparticles (BGNPs) are of great interest in tissue engineering as they possess high dissolution rate and capability of being internalized by cells, releasing their dissolution products with therapeutic benefits intracellularly. A modified Stöber process can be applied to
Ver todos los artículos relacionados

Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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