Lapse in Appropriations
For workplace safety and health, please call 800-321-6742; for mine safety and health, please call 800-746-1553; for Job Corps, please call 800-733-5627 and for Wage and Hour, please call 866-487-9243 (866-4-US-WAGE). This website is currently not being updated due to the suspension of Federal government services. The last update to the site was 10/1/2025. Updates to the site will start again when the Federal government resumes operations.
Alphabetic Index of OSHA Occupational Chemical Database - U
Chemical Name | CAS # | Analyte code (IMIS #) | Synonyms |
---|---|---|---|
7440-61-1 | uranium metal: uranium I. Synonyms of other insoluble uranium compounds vary depending upon the specific compound. |
||
7440-61-1 | Synonyms vary depending upon the specific soluble uranium compound. |