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Merck
CN

21170

Calcium hydride

greener alternative

purum p.a., ≥97.0% (gas-volumetric), powder

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About This Item

Empirical Formula (Hill Notation):
H2Ca
CAS Number:
Molecular Weight:
42.09
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
232-189-2
MDL number:
Assay:
≥97.0% (gas-volumetric)
Form:
powder
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grade

purum p.a.

Quality Segment

assay

≥97.0% (gas-volumetric)

form

powder

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.)

anion traces

chloride (Cl-): ≤2000 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Cd: ≤0.005%, Co: ≤0.005%, Cu: ≤0.02%, Fe: ≤0.005%, K: ≤0.01%, Na: ≤0.05%, Ni: ≤0.005%, Pb: ≤0.005%, Zn: ≤0.005%

greener alternative category

SMILES string

[Ca]

InChI

1S/Ca.2H

InChI key

FAQLAUHZSGTTLN-UHFFFAOYSA-N

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.

Application

Calcium hydride can be used as a reducing agent for the dechlorination of chlorinated organic compounds. It can also be used as a drying agent to dry pyridine.

Other Notes

Desiccant for aprotic solvents, e.g. benzene, dioxane, DMF and HMPT


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pictograms

FlameExclamation mark

signalword

Danger

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

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

Hazard Classifications

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



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