Reference Source

Chloroacetaldehyde

For Chloroacetaldehyde, cas no. is 107-20-0; pel (ppm) is (C)1; pel (mg/m³) is (C)3, verified against its source on 2026-08-05.

Substance
Chloroacetaldehyde
CAS No.
107-20-0
PEL (ppm)
(C)1
PEL (mg/m³)
(C)3
Sourceosha.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

What the source says

Chloroacetaldehyde | 107-20-0 | (C)1 | (C)3 | - |

osha.gov, retrieved 2026-08-05

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

PEL (ppm)

osha.gov says pel (ppm) is (C)1, as of 2026-08-05.

Chloroacetaldehyde | 107-20-0 | (C)1 | (C)3 | - |

https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

dir.ca.gov says pel (ppm) is 1, as of 2026-08-05.

107200 | | Chloroacetaldehyde | 1 | 3 | C

https://www.dir.ca.gov/title8/5155.html

PEL (mg/m³)

osha.gov says pel (mg/m³) is (C)3, as of 2026-08-05.

Chloroacetaldehyde | 107-20-0 | (C)1 | (C)3 | - |

https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

dir.ca.gov says pel (mg/m³) is 3, as of 2026-08-05.

107200 | | Chloroacetaldehyde | 1 | 3 | C

https://www.dir.ca.gov/title8/5155.html

Sources

Last verified against source: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF concept · full dataset as JSON.