Reference Source

1,3-Dichloro-5,5-dimethyl hydantoin — workplace exposure limit

What is the pel (mg/m³) for 1,3-Dichloro-5,5-dimethyl hydantoin — workplace exposure limit?

For 1,3-Dichloro-5,5-dimethyl hydantoin, pel (mg/m³) is 0.2; cas no. is 118-52-5, verified against its source on 2026-08-05.

1,3-Dichloro-5,5-dimethyl hydantoin | 118-52-5 | - | 0.2 | - |

osha.gov, retrieved 2026-08-05

Substance
1,3-Dichloro-5,5-dimethyl hydantoin verified
CAS No.
118-52-5 verified
PEL (mg/m³)
0.2 verified
STEL (mg/m³)
0.4 per dir.ca.gov
NIOSH REL (mg/m³)
TWA 0.2 per cdc.gov
Sourceosha.gov
Verified
Review by
DatasetUS workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side

What dir.ca.gov says

118525 | | 1,3-Dichloro-5,5-dimethyl hydantoin | -- | 0.2 | | -- | 0.4

dir.ca.gov, retrieved 2026-08-05

What cdc.gov says

NIOSH REL TWA 0.2 mg/m3 ST 0.4 mg/m3

cdc.gov, retrieved 2026-09-08

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

What is the OSHA exposure limit for this substance?Find the exposure limit for a substance in workplace air — federal OSHA, California and NIOSH, side by side.