To remove dust use Falcon Dust-Off compressed air or Static Wisk
To safely clean negatives use archival PEC-12 with PEC PADS
Archival – A term often used to describe various materials, it is meant to imply that the materials in question are of a quality that is appropriate for artifact storage or treatment. This may or may not be true. The word archival is not strictly defined or regulated, and therefore may be used at will by manufacturers.