Reference Source

1-Chloro-1-nitropropane

For 1-Chloro-1-nitropropane, cas no. is 600-25-9; pel (ppm) is 20; pel (mg/m³) is 100, verified against its source on 2026-08-05.

Substance
1-Chloro-1-nitropropane
CAS No.
600-25-9
PEL (ppm)
20
PEL (mg/m³)
100
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

1-Chloro-1-nitropropane | 600-25-9 | 20 | 100 | - |

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 20, as of 2026-08-05.

1-Chloro-1-nitropropane | 600-25-9 | 20 | 100 | - |

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

dir.ca.gov says pel (ppm) is 2, as of 2026-08-05.

600259 | | 1-Chloro-1-nitropropane | 2 | 10

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

PEL (mg/m³)

osha.gov says pel (mg/m³) is 100, as of 2026-08-05.

1-Chloro-1-nitropropane | 600-25-9 | 20 | 100 | - |

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

dir.ca.gov says pel (mg/m³) is 10, as of 2026-08-05.

600259 | | 1-Chloro-1-nitropropane | 2 | 10

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.