Picric Acid
Picric acid is an organic compound. The name "picric" comes from the Greek word meaning bitter, reflecting its bitter taste.
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Staining samples – reagent for Gram staining etc.​
Preparation of crystalline salts – useful for identification and characterization​
Recommended control measures​
This is a controlled substance (explosive) – see information on standards for all controlled substances.​
Use the more stable substances​
A 1% solution rather than wetted solid is a desensitize explosive and there are no requirements for a licence.ÌýHowever, it is still a controlled substance and Ïã¸ÛÁùºÏ²ÊÖÐÌØÍøÌýhas toÌýkeep a record of how much it possess to enable theÌýreporting of any unexpected or unexplained loss.​
Monitor the status of the solution​
Mark the bottle with the purchase and open on dates and store with at least 30% moisture. This requires regularÌýchecks (at least once a month). Record use and when water is added to maintain moisture levels. Check theÌýcap and bottle for the formation of crystals which will be unstable picrate salts​
Contact competent person forÌýwaste ​
IfÌýthereÌýevidence that crystals could or are forming contact Estates – Hazardous Waste.​
No attempt must be made to open any container where there are signs of crystallisation, or where the picricÌýacid has dried out, as detonation may result.ÌýSpecialist explosives disposal service are required.​ Due to the resources needed to manage picric acid, do not keep with the intention of using it at anÌýundetermined later date and dispose after the substance is 2 years old.Ìý​ÌýÌý​
Health surveillanceÌý​
None
Chemical safety library
> Read more about control measures for chemicals in our chemical safety libraryÌý
Last updated: Thursday, June 24, 2021