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223441

Sigma-Aldrich

Sodium hydride

greener alternative

dry, 90%

Synonym(s):

Sodium monohydride

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About This Item

Linear Formula:
NaH
CAS Number:
7646-69-7
Molecular Weight:
24.00
EC Number:
231-587-3
MDL number:
MFCD00003471
UNSPSC Code:
26111700
eCl@ss:
38100205
PubChem Substance ID:
24853383
NACRES:
NA.22

Assay

90%

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

800 °C (dec.) (lit.)

greener alternative category

Enabling,

SMILES string

[Na]

InChI

1S/Na.H

InChI key

MPMYQQHEHYDOCL-UHFFFAOYSA-N

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General description

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

Sodium hydride (dry) (NaH) can be used for a variety of applications such as:
  • preparation of sodium aluminum hydride (NaAlH4), which can be used as a hydrogen storage material
  • a base and a reducing agent for the deprotonation of alcohols, phenols, amides, ketones, and different functional groups
  • a hydride donor that can be used in various reactions such as nitriles, amides, and imines
  • for potential usage in thermal energy storage

Direct intercalation into C60 results in the superconducting material (NaH)4C60.

Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H228,H260,H290,H314

Hazard Classifications

Eye Dam. 1 - Flam. Sol. 1 - Met. Corr. 1 - Skin Corr. 1A - Water-react 1

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 1

Flash Point(F)

365.0 °F - closed cup

Flash Point(C)

185 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Hydride Reduction by a Sodium Hydride-Iodide Composite
Too PC, et al.
Angewandte Chemie (International Edition in English), 55(11), 3719-3723 (2016)
Julianne E Bird et al.
Physical chemistry chemical physics : PCCP, 22(8), 4617-4625 (2020-02-14)
The thermal conductivity, thermal diffusivity and heat capacity of materials are all vital properties in the determination of the efficiency of a thermal system. However, the thermal transport properties of heat storage materials are not consistent across previous studies, and
Ti-doped NaAlH4 as a hydrogen-storage material-preparation by Ti-catalyzed hydrogenation of aluminum powder in conjunction with sodium hydride
Bogdanovic B and Schwickardi M
Applied Physics. A, Materials Science & Processing, 72(2), 221-223 (2001)
Complications from dual roles of sodium hydride as a base and as a reducing agent
Hesek D, et al.
The Journal of Organic Chemistry, 74(6), 2567-2570 (2009)
Dong Chan Seo et al.
Polymers, 12(6) (2020-06-24)
To improve both the mechanical and chemical durability of Nafion membranes for polymer electrolyte membrane fuel-cells (PEMFCs), Nafion composite membranes containing sulfonated graphene oxide (SGO) and cerium oxide (CeO2; ceria) were prepared by solution casting. The structure and chemical composition
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