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213268

Calcium hydride

powder, 0-2 mm, reagent grade, ≥90% (gas-volumetric)

Sustainability features

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About This Item

Linear Formula:
CaH2
CAS Number:
7789-78-8
Molecular Weight:
42.09
NACRES:
NA.21
PubChem Substance ID:
57647905
UNSPSC Code:
12352300
EC Number:
232-189-2
MDL number:
MFCD00010897
Assay:
≥90% (gas-volumetric)
Grade:
reagent grade
Form:
powder
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grade

reagent grade

Quality Segment

assay

≥90% (gas-volumetric)

form

powder

reaction suitability

reagent type: reductant

sustainability

Sustainability features

particle size

0-2 mm

mp

816 °C (lit.)

greener alternative category

SMILES string

[Ca]

InChI

1S/Ca.2H

InChI key

FAQLAUHZSGTTLN-UHFFFAOYSA-N

General description

Calcium hydride is an alkaline earth metal hydride. Its solid state reaction with hexachlorobenzene has been investigated.
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Application

Calcium hydride (CaH2) may be employed as a reducing agent in the one-pot two-step Knoevenagel condensation reaction.
It may also be used as a reagent furing metallothermic synthesis of Nb3Al.
CaH2 can be used as a hydrogen source during the synthesis of monomethylated and dimethylated amines and in a ball milling process for the dechlorination of liquid and solid chlorinated compounds.

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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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