skip to main content
Back to search results


Used on an MSDS, a lower case m can mean a few different things.

1. m = Mouse. A mouse was used in the toxicity testing.

2. m = Molality. A unit of concentration. This m is usually italicized, except in a plain text document.

3. m = Meter. A unit of distance in the metric system.

Need an SDS? Search our entire SDS database containing millions of documents.