Looking for some SDS information?
Amaco:
https://www.amaco.com/sds
Coyote Glaze:
https://www.coyoteclay.com/docs/SAFETYDATASHEETdryglazecoyote2014.pdf
Kentucky Mudworks:
https://kymudworks.com/pages/sds
Laguna Clay:
https://www.lagunaclay.com/sds-sheets
Mason Stains:
https://www.masoncolor.com/safety-data-sheets
Mayco:
https://www.maycocolors.com/resources/safety-data-sheets/
Spectrum:
https://www.spectrumglazes.com/safety-data-sheets/