Ugrás a tartalomra
Merck

215147

Sigma-Aldrich

Calcium

granular, 99%

Szinonimák:

Calcium atom, Calcium element

Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez


About This Item

Tapasztalati képlet (Hill-képlet):
Ca
CAS-szám:
Molekulatömeg:
40.08
Beilstein:
4241647
EC-szám:
MDL-szám:
UNSPSC kód:
12141503
PubChem Substance ID:
NACRES:
NA.23

Minőségi szint

Teszt

99%

Forma

granular

reakcióalkalmasság

reagent type: reductant

ellenállás

3.5 μΩ-cm, 20°C

bp

1484 °C (lit.)

mp

850 °C (lit.)

sűrűség

1.54 g/mL at 25 °C (lit.)

SMILES string

[Ca]

InChI

1S/Ca

Nemzetközi kémiai azonosító kulcs

OYPRJOBELJOOCE-UHFFFAOYSA-N

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Általános leírás

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.

Alkalmazás

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

Tulajdonságok és előnyök

  • 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.

Piktogramok

Flame

Figyelmeztetés

Danger

Figyelmeztető mondatok

Veszélyességi osztályok

Water-react 2

Tárolási osztály kódja

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

WGK

WGK 1

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable

Egyéni védőeszköz

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


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Analitikai tanúsítványok (COA)

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Dokumentumtár megtekintése

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
Eleni Gourni et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 55(10), 1719-1725 (2014-08-26)
Gastrin-releasing peptide receptors (GRPrs) are overexpressed on a variety of human cancers, providing the opportunity for peptide receptor targeting via radiolabeled bombesin-based peptides. As part of our ongoing investigations into the development of improved GRPr antagonists, this study aimed at
Erik Smedler et al.
Biochimica et biophysica acta, 1840(3), 964-969 (2013-11-26)
Calcium (Ca(2+)) oscillations are ubiquitous signals present in all cells that provide efficient means to transmit intracellular biological information. Either spontaneously or upon receptor ligand binding, the otherwise stable cytosolic Ca(2+) concentration starts to oscillate. The resulting specific oscillatory pattern

Cikkek

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