Letter 872

In search of M-nitrobenzene sulfonic acid

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RFQ--> I need to find a supplier(s) who sells M-nitrobenzene sulfonic acid...used in stripping nickel from steel. I have talked to one of my usual chemical suppliers and he was unfamiliar with it. Is it possible that it might have a different trade name?

Thanks.
Gary

Gary Patigler
- Richmond, CA

Meta nitro benzoic acid (MNBA) is available as the active component in some of the proprietary strippers on the market. There are a couple of similar compounds (nitro benzoic acids) used. Some show up in alkaline strippers for electroless nickel, some in gold strippers, etc. Ask your favorite vendor.

Bill Vins microwave & cable assemblies Mesa (what a place-a), Arizona

This chemical is also sold under the name "ludigol".

Harry van der Zanden - Netherlands

I used to purchase MNBA and MNBS...sometimes sold as "poultry tonic"..

bob audette

We buy m-Nitro from "Crown Metro". It is the material you are looking for, and they sell it in 200# drums. Happy stripping!

Jeff Watson - Pearland, TX

Please also see our FAQs on Stripping of Electroless Nickel.

Regards,

Ted Mooney, P.E.  finishing.com Brick, New Jersey

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