previous topic
Glossary Index
Glossary Index
next topic
Area Units
Free Sites FAQ's Regulations Glossary Software Suppliers
Books Forum Poll Fun stuff Quiz Store
Understand your MSDS with the MS-Demystifier Search ALL our MSDS info



Aqueous refers to a solution in water.

A more exact definition is a solution in which the solute (the substance dissolved) initially is a liquid or a solid and the solvent is water.

Additional Info

gas washing bottle

Safety Emporium has the solution to your laboratory needs with an extensive line of glassware.

Aqueous solutions fall into three general categories based on how well they conduct electricity:

Caution: do not interpret this language to suggest that it is safe to work with electricity around water! Such work involves special training, safeguards and precautions.

SDS Relevance

The term aqueous may appear on an SDS in terms of a special instruction (such as first aid procedures), a particular chemical property, or a chemical incompatibility.

Aqueous solutions are not usually flammable, but may be able to carry toxic materials into your body through skin contact or ingestion.

Be careful with terminology. A solution of ammonia gas (NH3) in water is often called ammonium hydroxide, NH4OH, ammonia water, or simply ammonia. Do not confuse this aqueous solution with ammonia gas (anhydrous ammonia)!

Further Reading

See also: concentration, electrolyte, solubility, solution, solvent, water reactive.

Additional definitions from Google and OneLook.

Entry last updated: Sunday, August 7, 2016. This page is copyright 2000-2016 by ILPI. Unauthorized duplication or posting on other web sites is expressly prohibited. Send suggestions, comments, and new entry desires (include the URL if applicable) to us by email.

Disclaimer: The information contained herein is believed to be true and accurate, however ILPI makes no guarantees concerning the veracity of any statement. Use of any information on this page is at the reader's own risk. ILPI strongly encourages the reader to consult the appropriate local, state and federal agencies concerning the matters discussed herein.