Is Benjamin Moore Prime Lock Plus Primer Sealer toxic?
No paint is risk-free, and "toxic" depends on how much you're exposed to and for how long. Here is what Benjamin Moore's own documents show. Benjamin Moore Prime Lock Plus Primer Sealer scores 3 out of 100. Its untinted VOC is 350 g/L. Its Safety Data Sheet carries these warnings: genetic damage warning, cancer warning, skin allergen and organ toxicity warning. We found no third-party emissions testing for it.
- Health score
- 3
- VOC g/L
- 350
- Use
- Interior primer
Safety Data Sheet warnings
- Genetic damage warningSuspected of causing genetic defects (germ cell mutagenicity), from an ingredient in the paint itself.
- Cancer warningContains Methyl ethyl ketoxime, Ethyl benzene, a suspected carcinogen present in the paint itself, not only as dust.
- Skin allergenMay cause an allergic reaction.
- Organ toxicity warningMay affect organs through repeated or high exposure (for example solvent vapors).
- FlammableKeep away from heat and flames.
Evidence beyond the label
- Emissions testing: none found
- Health certification: none found
- Full ingredient list (Health Product Declaration): not published
Product
Updated October 12, 2026. Scores summarize the evidence makers publish. They don't guarantee safety or predict individual health outcomes. No brand pays to be listed. How we score