[Reckitt Benckiser, NJ, US] A registered trademark for a commercial metal polish. Brasso® is advertised for cleaning and polishing brass, copper, chrome, stainless steel, and pewter. The slightly viscous, opaque liquid contains petroleum distillate (60-70%), crystalline silica (9-12%) and ammonia (2-3%). Ammoniated cleaners are not recommended for museum objects.
Hazards and Safety
Reacts with silver. May dissolve paint and varnish.
Causes stress corrosion cracking of brass coated iron and hardened brass.
Reckitt Benckiser: MSDS 7/11/2000
° J. Moss "Ammoniated Cleaning Solutions" British Horological Institute Journal, August 1997, online Link
° Reckitt Benckiser: Website
Sources Checked for Data in Record
- Website address 1 Comment: conservation termlist: www.hants.org.uk/museums
- Website address 2 Comment: http://www.reckittprofessional.com/find_a_product/products/brasso.html
- Website address 3 Comment: J. Moss "Ammoniated Cleaning Solutions" online at http://www.antiqueclockconservation.com/scc.htm