I've
found an artificial vanillin with exactly the same information
Mark added about vanillin toxicity, in the link below: http://www.viacheminc.com/wp-content/uploads/MSDS-Eternal-Pearl-Brand-Vanillin-and-Ethyl-Vanillin.pdf It says «Oral rat LD50: 1580 mg /
kg Investigated as a mutagen, reproductive effector.»