221678

Sigma-Aldrich

Raney®-Nickel

W.R. Grace and Co. Raney® 2800, slurry, in H2O, active catalyst

Sinónimos:
Nickel sponge, Raney Ni
Fórmula lineal:
AlNi
Número de CAS:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

form

slurry

composition

Ni, ≥89%

reaction suitability

core: nickel
reagent type: catalyst

manufacturer/tradename

W.R. Grace and Co. Raney® 2800

concentration

in H2O

impurities

6-9% Al

particle size

20-60 μm

pH

8.5-12.0

SMILES string

[Al].[Ni]

InChI

1S/Al.Ni

InChI key

NPXOKRUENSOPAO-UHFFFAOYSA-N

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Packaging

100, 500 g in poly bottle

Application

Suitable as a hydrogenation catalyst for aromatic, olefin, nitrile and nitro group reductions.
Used as reducing agent for hydrogenation of organic compounds, e.g. hydrogenation of nitriles to amines, reduction of aromatic groups to the corresponding saturated compounds, hydrogenation reaction of β-keto esters, rreduction of amination, and also used as 3-alkylation of oxindole with alcohol, and Ullman-type cross coupling, and dehalogenation reactions.

Legal Information

Raney is a registered trademark of W.R. Grace & Co.-Conn.

signalword

Danger

hazcat

Carc. 2 - Pyr. Liq. 1 - Skin Sens. 1 - STOT RE 1

storage_class_code

4.2 - Pyrophoric and self-heating hazardous materials

WGK Germany

WGK 2

Flash Point F

Not applicable

Flash Point C

Not applicable

Certificado de Análisis

Certificado de origen

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. How much water is present in Product 221678, Raney®-Nickel - W.R. Grace and Co. Raney®2800, slurry?

    This product contains approximately 50% water. The exact amount is not determined by Sigma-Aldrich nor our supplier.

  5. What is the surface area of Product 221678, Raney®-Nickel - W.R. Grace and Co. Raney®2800, slurry?

    The surface area is expected to be about 80-100 m2/g.

  6. What is the particle size of Product 221678, Raney®-Nickel - W.R. Grace and Co. Raney®2800, slurry?

    According to our supplier, the particle size is expected to be 2 - 60 μm.

  7. What is the W classification of Product 221678, Raney®-Nickel - W.R. Grace and Co. Raney®2800, slurry?

    The numbers W1 through W8 were various activation treatments as part of a study conducted by Dr. Atkins at the University of Wisconsin. The publications date from 1932 to 1955. Although the commercial products of today are not processed as shown in the study, the Raney® nickels that we carry most closely match the 'W-2' form because they are all activated and stored in water.

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

    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. 

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

  10. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

The shaping movement: fifth-generation technology.
Clifford J Ruddle et al.
Dentistry today, 32(4), 94-94 (2013-05-11)
Picture of the month. Allergic contact dermatitis to nickel-containing dental work.
Emma F Johnson et al.
JAMA pediatrics, 167(6), 581-582 (2013-06-05)
Palatally anchored maxillary molar mesialization using the mesialslider.
Benedict Wilmes et al.
Journal of clinical orthodontics : JCO, 47(3), 172-179 (2013-05-11)
Michał Sarul et al.
Advances in clinical and experimental medicine : official organ Wroclaw Medical University, 22(2), 253-260 (2013-05-28)
Cognizance of the mechanical properties of nickel-titanium archwires is necessary for the management of orthodontic therapy with fixed appliances. Acting on the periodontium with forces that are too heavy may lead to such complications as: pain, tooth root resorption and...
Fariborz Amini et al.
International journal of orthodontics (Milwaukee, Wis.), 24(1), 43-44 (2013-06-05)
In this report, we present an uncomplicated approach to overcome lingual rolling of mandibular molars during orthodontic treatment, by using rectangular NiTi arch wire in twist fashion through the molar tube. The sequential steps of the twist manoeuvre on a...

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