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230200

Sigma-Aldrich

Lithium borohydride solution

2.0 M in THF

Sinónimos:

Lithium boron hydride, Lithium hydroborate

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About This Item

Fórmula lineal:
LiBH4
Número de CAS:
16949-15-8
Peso molecular:
21.78
Número MDL:
MFCD00011088
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
24853783
NACRES:
NA.22
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Formulario

liquid

Nivel de calidad

200

idoneidad de la reacción

reagent type: reductant

concentración

2.0 M in THF

densidad

0.896 g/mL at 25 °C

cadena SMILES

[Li+].[H][B-]([H])([H])[H]

InChI

1S/BH4.Li/h1H4;/q-1;+1

Clave InChI

UUKMSDRCXNLYOO-UHFFFAOYSA-N

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Categorías relacionadas

Aplicación

Lithium borohydride solution (2M in THF) has been used for the reduction of 5-benzylidene-2,4-thiazolidinediones and 5-benzylidene-4-oxo-2-thiazolidinethiones to form 5-benzyl-2,4-thiazolidinediones and 5-benzyl-4-oxo-2-thiazolidinethiones, respectively.[1]
Reactant for:
  • Preparation of gallium, indium, rhenium and zinc tris(mercaptoimidazolyl)hydroborato complexes
  • Mechano-chemical metathesis reactions
  • Noncatalytic hydrolysis for hydrogen generation
  • Growth of large gold monolayer protected-clusters
  • Anion substitution reactions
  • Dehydrogenation reactions

Envase

The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Información legal

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3 - Water-react 1

Órganos de actuación

Central nervous system, Respiratory system

Riesgos supl.

EUH019

Código de clase de almacenamiento

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

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

-0.4 °F - closed cup

Punto de inflamabilidad (°C)

-18 °C - closed cup

Equipo de protección personal

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
SHBS1431
SHBR4994
SHBQ7232
SHBP8780
SHBN7054

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Regiospecific reduction of 5-benzylidene-2, 4-thiazolidinediones and 4-oxo-2-thiazolidinethiones using lithium borohydride in pyridine and tetrahydrofuran.
Giles RG
Tetrahedron, 56(26), 4531-4537 (2000)
Pascal Martelli et al.
The journal of physical chemistry. A, 114(37), 10117-10121 (2010-09-03)
The hydrogen dynamics in solid and in liquid LiBH4 was studied by means of incoherent quasielastic neutron scattering. Rotational jump diffusion of the BH4- subunits on the picosecond scale was observed in solid LiBH4. The characteristic time constant is significantly
Prabhat Arya et al.
Journal of combinatorial chemistry, 6(1), 54-64 (2004-01-13)
A diversity-oriented solution and solid-phase synthesis of tetrahydroquinoline-based tricyclic derivatives has been achieved from enantiomerically pure, natural product-like bicyclic scaffold. The solution synthesis of enantiopure bicyclic scaffold was developed by asymmetric hetero Michael reaction. Our approach for the synthesis of
Piter S Miedema et al.
Physical chemistry chemical physics : PCCP, 14(16), 5581-5587 (2012-03-20)
X-Ray Raman Spectroscopy (XRS) is used to study the electronic properties of bulk lithium borohydride (LiBH(4)) and LiBH(4) in porous carbon nano-composites (LiBH(4)/C) during dehydrogenation. The lithium (Li), boron (B) and carbon (C) K-edges are studied and compared with calculations
Matthew S Wellons et al.
Nanotechnology, 20(20), 204022-204022 (2009-05-08)
The addition of catalysts to complex hydrides is aimed at enhancing the hydrogen absorption desorption properties. Here we show that the addition of carbon nanostructure C60 to LiBH4 has a remarkable catalytic effect, enhancing the uptake and release of hydrogen.
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Preguntas

1–8 de 8 Preguntas  

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

    1 respuesta

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

    1 respuesta

    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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  3. Is the tetrahydrofuran (THF) used in Product 230200, Lithium Borohydride, stabilized?

    1 respuesta

    1. The THF used in this product is stabilized with 0.025% butylated hydroxytoluene (BHT).

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  4. Is Product 230200, Lithium Borohydride, an energy carrier?

    1 respuesta

    1. Lithium borohydride is renowned for one of the highest energy density chemical energy carriers.  By reacting with atmospheric oxygen, it liberates large amounts of heat.

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

    1 respuesta

    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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  6. What types of reactions is Product 230200, Lithium Borohydride, used in?

    1 respuesta

    1. It is reagent for reduction of compounds containing ketonic, aldehydic, or ester carbonyls and a nitrile group, where reduction of the carbonyl but not of the nitrile group is wanted.

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  7. Why does Product 230200, Lithium Borohydride, need to be handled under nitrogen?

    1 respuesta

    1. This product is moisture sensitive, reacting violently with water, liberating extremely flammable gases.

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  8. Is it necessary to refrigerate Product 230200, Lithium Borohydride?

    1 respuesta

    1. We do recommend to refrigerate this product, since it may develop pressure at room temperature.

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