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Merck

8.02100

Calcium hydride

greener alternative

for synthesis

Synonym(s):

Calcium hydride

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About This Item

Empirical Formula (Hill Notation):
H2Ca
CAS Number:
7789-78-8
Molecular Weight:
42.09
UNSPSC Code:
12352306
EC Index Number:
232-189-2
NACRES:
NA.22
MDL number:
MFCD00010897

Product Name

Calcium hydride, for synthesis

SMILES string

[Ca]

InChI

1S/Ca

InChI key

OYPRJOBELJOOCE-UHFFFAOYSA-N

form

solid

autoignition temp.

>300 °C

reaction suitability

reagent type: reductant

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

Greener Alternative Product

mp

816 °C

density

1.9 g/cm3 at 20 °C

greener alternative category

Enabling

storage temp.

2-30°C

Quality Level

200

Related Categories

Analysis Note

Assay (by gasvolumetry): ≥ 95.0 %
Particle size: 0 -20 mm

Application

Calcium hydride (CaH2) can be used as a reducing agent to synthesize metallic elements (e.g., Ti, Zr, V, Nb, U, and Th) from metal oxides via the calcium hydride reduction process at higher temperature (600–1000°C). Metallic calcium produced by thermal decomposition is the actual reducing agent in this process. CaH2 is also used to reduce various metal hydrides to metals.

General description

We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Calcium hydride enables sustainable energy through high-density hydrogen storage and efficient release, supporting cleaner technologies with improved cycling stability and reduced energy demand. Click here for more information.

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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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Hydrides
Rittmeyer P and Wietelmann U
Ullmann's Encyclopedia of Industrial Chemistry (2000)

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