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223441

Sigma-Aldrich

Sodium hydride

greener alternative

dry, 90%

Synonym(s):

Sodium monohydride

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10 G
NOK 661.00
50 G
NOK 1,930.00
1 KG
NOK 12,580.00

NOK 661.00

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10 G
NOK 661.00
50 G
NOK 1,930.00
1 KG
NOK 12,580.00

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
form:
powder
Assay:
90%

NOK 661.00

Please contact Customer Service for Availability
Request a Bulk Order

Quality Level

200

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[1]
  • a base and a reducing agent for the deprotonation of alcohols, phenols, amides, ketones, and different functional groups[2]
  • a hydride donor that can be used in various reactions such as nitriles, amides, and imines[3]
  • for potential usage in thermal energy storage[4]

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBR6281
SHBQ8929
SHBQ8927
SHBP5363
SHBQ2245

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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
Hydride Reduction by a Sodium Hydride-Iodide Composite
Too PC, et al.
Angewandte Chemie (International Edition in English), 55(11), 3719-3723 (2016)
Kobra Zavar Mousavi et al.
Mikrochimica acta, 186(4), 239-239 (2019-03-15)
The authors describe the preparation of two kinds of periodic mesoporous organosilicas (PMOs). The first kind is monofunctional and has a bridged alkyl imidazolium framework (PMO-IL). The other is a two-dimensional (2D) hexagonal bifunctional periodic mesoporous organosilica (BFPMO) with bridged
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)
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Questions

1–9 of 9 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. The product states 90% sodium hydride. Was is the remaining balance?

    1 answer

    1. The impurities in this product are not identified. This is a dry product, impurities may include hydrocarbons or compounds generated as a result of oxidation.

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  4. What is Product 223441, Sodium Hydride, soluble in?

    1 answer

    1. Per the Merck Index, 13th Edition, it reacts explosively with water, violently with lower alcohols, ignites spontaneously on standing in moist air.  Soluble in molten Sodium Hydroxide, insoluble in liquid Ammonia.

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  5. The website states Product 223441, Sodium Hydride, is packaged in a metal can, can you give me more details on the container type?

    1 answer

    1. The Sodium Hydride will have been packaged under a Nitrogen atmosphere.  The material will be a plastic bag and  sealed inside of a metal can (paint can where you can pop the lid off).  On the top of the can, there will be a plastic ring sealing the lid.  This ring will need to be removed in order to open the can.

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  6. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  7. What impurities are present in the Product 223441, Sodium Hydride?

    1 answer

    1. We have not performed impurity profiling on this product and therefore can not provide an impurity profile.  Impurities may include unreacted starting materials, residual solvents, reaction byproducts, etc.

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  8. Besides water, are there other materials that Product 223441, Sodium Hydride. will react hazardously with?

    1 answer

    1. Yes, per the Hazardous Laboratory Chemicals Disposal Guide, 2nd Edition, the following should also be avoided:Acetylene reacts vigorously in the presence of moisture even at -60oC. Air - the finely divided dry powder ignites in dry air. Halogens incandesces in Chlorine or Fluorine at room temperature and in Iodine at 100o C. Sulfur Dioxide -  reacts explosively with Sulfur Dioxide. Addition to water even in small amounts will result in explosion.

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  9. If Product 223441, Sodium Hydride, should start on fire, what is the best way to extinguish the fire?

    1 answer

    1. Use only a Metal-X (Class D) type extinguisher to extinguish the fire.Do not use water, carbon dioxide, or halocarbon extinguishers.

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