SYMPOSIA PAPER Published: 01 January 1993

An Unexpected Interaction Between Inerts Used in Solvent Based Formulations


In the course of an investigation on a formulation, it was found that under certain conditions two inert ingredients (calcium dodecylbenzene sulfonate (CaDDBS) and triethylene glycol (TEG) combined to form a crystalline precipitate. This novel complex of CaDDBS and TEG occurs only in non-aqueous systems; the presence of small amounts of water prevents its formation. The effects of temperature, chemical structure of the CaDDBS, water content and alcohol content are addressed.

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Developed by Committee: E35
Pages: 172–179
DOI: 10.1520/STP20192S
ISBN-EB: 978-0-8031-5221-2
ISBN-13: 978-0-8031-1439-5