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497355

Calcium hydride

powder, 99.99% trace metals basis

Sustainability features

Synonym(s):

Calcium dihydride

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About This Item

Linear Formula:
CaH2
CAS Number:
7789-78-8
Molecular Weight:
42.09
NACRES:
NA.23
PubChem Substance ID:
24873111
UNSPSC Code:
26111700
EC Number:
232-189-2
MDL number:
MFCD00010897
Assay:
99.99% trace metals basis
Form:
powder
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Quality Segment

assay

99.99% trace metals basis

form

powder

reaction suitability

core: calcium, reagent type: reductant

sustainability

Sustainability features

mp

816 °C (lit.)

application(s)

hydrogen and fuel cell

greener alternative category

SMILES string

[Ca]

InChI

1S/Ca.2H

InChI key

FAQLAUHZSGTTLN-UHFFFAOYSA-N

General description

The crystal structure of calcium hydride is a slightly distorted hexagonal close packing. At elevated temperatures, calcium hydride acts as a strong reducing agent.1 Solid state reaction between hexachlorobenzene and calcium hydride has been studied in detail.
Atomic number of base material: 20
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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

Calcium hydride is widely used as a drying agent for organic solvents.1 It has been used to dry ε-caprolactone,benzene and toluene.

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Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Codes

H260,H315,H319

Storage Class

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

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

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

Hazard Classifications

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

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