Methylene Chloride Paint Stripper

Solvent paint and coating removers used in a closed room.

47Moderate burden · out of 100
Cleaner swapA benzyl-alcohol or soy-based stripper, or sanding with dust extraction

How this score is built

  1. 100Start
  2. 58.6Chemical hazard 9 × 4.6−41.4
  3. 51.8Everyday exposure 2 × 3.4−6.8
  4. 47Persistence 2 × 2.6−5.2, then rounded to 47
  5. ModerateThe band47 sits in 40–59.

What each input rests on

The three ratings behind the score, and the studies each rests on
InputRatingEvidence
Chemical hazard9/10
Everyday exposure2/10unsourced input
Persistence2/10unsourced input

Ratings are editorial. A study listed here supports the rating; it did not compute it. How the index is built

What this means for you

The chemical-hazard rating is what drives the score down. Methylene chloride vapour displaces oxygen in the blood and has killed people refinishing bathtubs in unventilated spaces. US regulators banned it from consumer paint and coating removal in 2019 and tightened the remaining uses under a 2024 risk-management rule.

Evidence strength: strong

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Lower-exposure choices