light mineral oil - Robuta Search

https://www.sigmaaldrich.com/US/en/product/supelco/lmsu03

Sulfur in light mineral oil 0.0025% (25 ppm), certified reference material (UKAS ISO 17025 & ISO 17034 certified) at Sigma-Aldrich

https://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=308772fc-d6f6-da9f-e063-6394a90a41db&version=1