221678

Sigma-Aldrich

Raney®-镍

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

别名:
海绵镍, 雷尼镍
线性分子式:
AlNi
CAS号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

质量水平

200

形式

slurry

组成

Ni, ≥89%

reaction suitability

core: nickel
reagent type: catalyst

manufacturer/tradename

W.R. Grace and Co. Raney® 2800

浓度

in H2O

杂质

6-9% Al

粒径

20-60 μm

pH值(酸碱度)

8.5-12.0

SMILES string

[Al].[Ni]

InChI

1S/Al.Ni

InChI key

NPXOKRUENSOPAO-UHFFFAOYSA-N

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包装

100, 500 g in poly bottle

应用

用作有机化合物氢化作用的还原剂,如腈氢化成胺、芳基还原成相应的饱和化合物、β-酮酸酯加氢反应、还原胺化,还用于羟吲哚与醇的3-烷基化反应、Ullman型交叉偶联反应和脱卤反应。
适于用作芳基、烯基、氰基和硝基还原的加氢催化剂。

法律信息

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

警示用语:

Danger

RIDADR

UN 1378 4.2 / PGII

WGK Germany

WGK 2

闪点(F)

Not applicable

闪点(C)

Not applicable

分析证书

原产地证书 (CofO)

  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.

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...
A J Feilzer et al.
Nederlands tijdschrift voor tandheelkunde, 120(6), 335-341 (2013-07-19)
Orally applied metal alloys can cause undesirable physical effects. A distinction needs to be made in this respect between local and systemic reactions and toxic and immunological reactions. A case is presented which illustrates this problem. In this case, the...
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...
Palatally anchored maxillary molar mesialization using the mesialslider.
Benedict Wilmes et al.
Journal of clinical orthodontics : JCO, 47(3), 172-179 (2013-05-11)
The shaping movement: fifth-generation technology.
Clifford J Ruddle et al.
Dentistry today, 32(4), 94-94 (2013-05-11)

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