221678 Sigma-Aldrich


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

Synonym: Nickel sponge, Raney Ni



Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Nickel Catalysts More...
form   slurry
composition   Ni, ≥89%
mfr. no.   W.R. Grace and Co. Raney®
concentration   in H2O
impurities   6-9% Al
pH   8.5-12.0



100, 500 g in poly bottle


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.

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN 1378 4.2 / PGII
WGK Germany 


Certificate of Analysis


Certificate of Origin


Frequently Asked Questions

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.
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.
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 orview local office numbers.
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.
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.
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.
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.
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.
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