Zinc oxide — workplace exposure limit

What is the cas no. for Zinc oxide — workplace exposure limit?

For Zinc oxide, cas no. is 1314-13-2, verified against its source on 2026-08-05.

Zinc oxide | 1314-13-2 | - | - | - |

— osha.gov, retrieved 2026-08-05

Substance: Zinc oxide verified
CAS No.: 1314-13-2 verified
NIOSH REL, as stated: Dust: TWA 5 mg/m3 C 15 mg/m3 Fume: TWA 5 mg/m3 ST 10 mg/m3 per cdc.gov

Verified2026-08-05

Review by2027-08-05

NIOSH REL Dust: TWA 5 mg/m3 C 15 mg/m3 Fume: TWA 5 mg/m3 ST 10 mg/m3

— cdc.gov, retrieved 2026-09-08

osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
cdc.govhttps://www.cdc.gov/niosh/npg/npgd0675.html

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