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558257

Sigma-Aldrich

Calcium hydride

greener alternative

99.9% trace metals basis

Synonym(s):

Calcium dihydride

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About This Item

Empirical Formula (Hill Notation):
H2Ca
CAS Number:
7789-78-8
Molecular Weight:
42.09
EC Number:
232-189-2
MDL number:
MFCD00010897
UNSPSC Code:
26111700
PubChem Substance ID:
24879732
NACRES:
NA.23

assay

99.9% trace metals basis

reaction suitability

reagent type: reductant

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

816 °C (lit.)

greener alternative category

Enabling,

SMILES string

[Ca]

InChI

1S/Ca.2H

InChI key

FAQLAUHZSGTTLN-UHFFFAOYSA-N

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General description

Atomic number of base material: 20
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Calcium hydride (CaH2) is a metal hydride that can be used for a variety of greener applications such as:
  • fabrication of hydrogen storage systems for fuel cell applications
  • synthesis of porous aromatic frameworks (PAFs) for adsorption of organic pollutants
  • formation of high temperature superconductors

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Water-react 1

Storage Class

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

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCC5226
MKCB9070
MKBZ3976V
MKBV3359V
MKBS2930V

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Reversible hydrogen storage in the lithium borohydride?calcium hydride coupled system
Pinkerton FE and Meyer MS
Journal of alloys and compounds, 464(1-2), L1-L4 (2008)
Synthesis of a porous aromatic framework for adsorbing organic pollutants application
Ren H, et al.
Journal of Materials Chemistry, 21(28), 10348-10353 (2011)
Robert Weinmeister et al.
ACS nano, 9(10), 9718-9730 (2015-09-15)
Aqueous microdroplets with a volume of a few femtoliters are an ideal sample size for single-molecule fluorescence experiments. In particular, they enable prolonged measurements to be made on individual molecules that can diffuse freely in the surrounding medium. However, the
Yin-Chih Fu et al.
Acta biomaterialia, 10(11), 4583-4596 (2014-07-23)
Nanoparticles (NP) that target bone tissue were developed using PLGA-PEG (poly(lactic-co-glycolic acid)-polyethylene glycol) diblock copolymers and bone-targeting moieties based on aspartic acid, (Asp)(n(1,3)). These NP are expected to enable the transport of hydrophobic drugs. The molecular structures were examined by
Mike A Geven et al.
Clinical hemorheology and microcirculation, 60(1), 3-11 (2015-03-31)
Composite materials of photo-crosslinked poly(trimethylene carbonate) and nanoscale hydroxyapatite were prepared and their mechanical characteristics for application as orbital floor implants were assessed. The composites were prepared by solvent casting poly(trimethylene carbonate) macromers with varying amounts of nano-hydroxyapatite and subsequent
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