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Merck

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:
7789-78-8
Molecular Weight:
42.09
NACRES:
NA.21
PubChem Substance ID:
57647909
UNSPSC Code:
12352300
EC Number:
232-189-2
MDL number:
MFCD00010897
assay:
≥97.0% (gas-volumetric)
form:
powder

Product Name

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

InChI key

FAQLAUHZSGTTLN-UHFFFAOYSA-N

InChI

1S/Ca.2H

SMILES string

[Ca]

grade

purum p.a.

assay

≥97.0% (gas-volumetric)

form

powder

reaction suitability

reagent type: reductant

greener alternative product characteristics

Design for Energy Efficiency
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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

Enabling

Quality Level

200

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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.

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.

Other Notes

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

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

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB6339
SDBB3138
SDBB2911
STBL3819
STBL1234

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Juliane F Ferreira et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 189, 44-50 (2017-08-12)
A new quinoline-amide calix[4]arene 3-receptor for detection of hazardous anions and cations have been synthesized. The 3-receptor was examined for its sensing properties towards several different anions (Cr
Desiccant efficiency in solvent drying. 3. Dipolar aprotic solvents.
D R Burfield et al.
The Journal of organic chemistry, 43(20), 3966-3968 (1978-09-01)
Application of mechanical activation to decomposition of toxic chlorinated organic compounds
Korolev K, et al.
Chemistry for Sustainable Development, 11, 489-496 (2003)
D.R. Burfield et al.
The Journal of Organic Chemistry, 42, 3060-3060 (1977)
Weihua Tang et al.
Nature protocols, 3(4), 691-697 (2008-04-05)
We describe a protocol for the synthesis of mono-6-amino-6-deoxy-cyclodextrin hydrochloride (CD-NH3Cl), applicable to alpha-, beta- and gamma-cyclodextrin. These structurally simplest, highly water-soluble cationic cyclodextrins can be widely used in molecular recognition, chiral separation and drug delivery studies. Starting from commercially
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