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213268

Sigma-Aldrich

Calcium hydride

greener alternative

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

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Empirical Formula (Hill Notation):
H2Ca
CAS Number:
7789-78-8
Molecular Weight:
42.09
EC Number:
232-189-2
MDL number:
MFCD00010897
UNSPSC Code:
12352300
PubChem Substance ID:
57647905
NACRES:
NA.21

grade

reagent grade

Quality Level

200

Assay

≥90% (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

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particle size

0-2 mm

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

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

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H260,H315,H319

Hazard Classifications

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

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Modification of Calcium Hydride as Solid Hydrogen Source for Fuel Cell System.
Nagashima K, et al.
International Journal of Applied Ceramic Technology, 13(2), 265-268 (2016)
Reductive N-methylation of amines with calcium hydride and Pd/C catalyst.
Guyon C, et al.
Tetrahedron Letters (2016)
Properties of the intermetallic phase Nb3Al prepared by a calcium hydride reduction process.
Kasimtsev AV, et al.
Inorganic Materials, 51(1), 43-50 (2015)
Selective mechanochemical dehalogenation of chlorobenzenes over calcium hydride.
Loiselle S, et al.
Environmental Science & Technology, 31(1, 261-265 (1991)
L R Cajero-Zul et al.
Journal of biomaterials science. Polymer edition, 30(3), 163-189 (2018-12-18)
Nanocomposites of functionalized carbon nanotubes (CNTsf) as nanofillers, and a copolymer of star-shaped poly(ε-caprolactone) (stPCL) and poly(ethylene glycol) (PEG) as a polymeric matrix were synthesized, characterized, and their resistance to the growth of Staphylococcus aureus and Pseudomonas aeruginosa was evaluated.
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