Vilella's Reagent Safety Data Sheet

The Vilella's Ecthant safety data sheet update.
When Apr 10, 2017 11:25 AM to
Apr 10, 2019 11:25 AM
Contact Name
Contact Phone 0117 958 3448
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The Vilella's Reagent SDS has been updated to meet the current REACH directive, this is the latest version of the document with the most up to date information regarding the safe use of this product and should be used in preference to any others supplied by ourselves.

If you have an older version please discard that version and download and print this copy for your use.

Vilella's reagent is a common etchant used in a wide variety of situations, including welding diagnostics. One of its' primary ingredients is Picric Acid dissolved in an alcoholic base. When dry, Picric Acid is explosive! Alcohol is highly volatile, therefore the potential for the Vilella's reagent to migrate to the bottle/cap interface and dry out is quite high.

During use, after prolonged storage, inspect the cap area before opening, if you notice any residue around the bottle/cap interface, DO NOT OPEN! Rinse under a tap to remove the residue and wait a few minutes to allow any remaining Picric Acid, not immediately accessible, to rehydrate prior to opening.

This is a precautionary note for an unlikely event that could occur, in practice Vilella's reagent is safe to use and store within its' expiry date.

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