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Key Documents

215147

Sigma-Aldrich

Calcium

granular, 99%

Sinonimo/i:

Calcium atom, Calcium element

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About This Item

Formula empirica (notazione di Hill):
Ca
Numero CAS:
Peso molecolare:
40.08
Beilstein:
4241647
Numero CE:
Numero MDL:
Codice UNSPSC:
12141503
ID PubChem:
NACRES:
NA.23

Livello qualitativo

Saggio

99%

Forma fisica

granular

Impiego in reazioni chimiche

reagent type: reductant

Resistività

3.5 μΩ-cm, 20°C

P. eboll.

1484 °C (lit.)

Punto di fusione

850 °C (lit.)

Densità

1.54 g/mL at 25 °C (lit.)

Stringa SMILE

[Ca]

InChI

1S/Ca
OYPRJOBELJOOCE-UHFFFAOYSA-N

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Descrizione generale

Calcium is a highly reactive and non-toxic metal often prepared by the aluminothermal or electrolysis methods. Calcium metal granules with a purity of 99% are a valuable material used in several industrial and academic applications. The granules are made from high-quality calcium and are produced under strict manufacturing standards to ensure their purity and quality. The granular form allows for easier handling and storage than a powder, making it convenient for use in various applications.

Applicazioni

Our 99% pure calcium metal granules are widely used as a reducing agent in the manufacturing of various metals, including uranium and thorium. They are also an essential component in the production of aluminum alloys that are commonly used in the aerospace and automotive industries. These calcium metal granules are also used in the desulfurization of steel and as a deoxidizer in the production of various metals. Furthermore, our calcium metal granules are extensively used in organic synthesis to reduce various functional groups, such as aldehydes, ketones, esters, and nitriles, to their corresponding alcohols. The metal is also utilized in the preparation of Grignard reagents, which serve as crucial intermediates in organic synthesis.
Precursor to Ca8Al3 and Ca13Al14; intermetallics with new metallic Zintl phases.7

Caratteristiche e vantaggi

  • Quality assured - made from high-quality raw materials and produced under strict manufacturing standards to ensure consistent performance.
  • Easier to handle and store - in comparison to powder, the granular form ensures higher stability during storage and handling of materials.

Pittogrammi

Flame

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Water-react 2

Codice della classe di stoccaggio

4.3 - Hazardous materials which set free flammable gases upon contact with water

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Emmanuel Bourinet et al.
Physiological reviews, 94(1), 81-140 (2014-01-03)
The detection and processing of painful stimuli in afferent sensory neurons is critically dependent on a wide range of different types of voltage- and ligand-gated ion channels, including sodium, calcium, and TRP channels, to name a few. The functions of
Tsai-Wen Chen et al.
Nature, 499(7458), 295-300 (2013-07-23)
Fluorescent calcium sensors are widely used to image neural activity. Using structure-based mutagenesis and neuron-based screening, we developed a family of ultrasensitive protein calcium sensors (GCaMP6) that outperformed other sensors in cultured neurons and in zebrafish, flies and mice in
Byrappa Venkatesh et al.
Nature, 505(7482), 174-179 (2014-01-10)
The emergence of jawed vertebrates (gnathostomes) from jawless vertebrates was accompanied by major morphological and physiological innovations, such as hinged jaws, paired fins and immunoglobulin-based adaptive immunity. Gnathostomes subsequently diverged into two groups, the cartilaginous fishes and the bony vertebrates.
S Boonen et al.
Journal of internal medicine, 259(6), 539-552 (2006-05-18)
Combined calcium and vitamin D supplementation is an essential component of the management of osteoporosis, supported by a strong scientific rationale. The types of individuals who should receive calcium and vitamin D supplements are those: (i) patients with documented osteoporosis
Marco Antunes et al.
The Journal of cell biology, 202(2), 365-379 (2013-07-24)
Epithelial wound healing relies on tissue movements and cell shape changes. Our work shows that, immediately after wounding, there was a dramatic cytoskeleton remodeling consisting of a pulse of actomyosin filaments that assembled in cells around the wound edge and

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