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Selenium

CAS Number

7782-49-2

Synonym

Caswell No, 732; CI 77805; Elemental selenium; Gray selenium; Selenium alloy; Selenium base; Selenium compounds; Selenium dust; EPA Pesticide Code: 072001

Occurrence/Use

Power rectifiers and surge protection, photographic toner, anti-dandruff shampoos; production of glass (tinting), alloys, photoelectric cells, rubber, pharmaceuticals, fungicides, insecticides; component of tobacco smoke. Naturally occurring in small amounts in water and some foods.

More information about Selenium
Selenium

Chronic REL

Chronic Inhalation REL (μg/m3): 
20 (inhalation); 5 μg/kg BW-day (oral)
Chronic Target Organs: 
Inhalation and oral: Alimentary system (liver), cardiovascular system, nervous system
Human Data: 
Yes
Last Chronic REL Revision: 
2001
Chronic Reference Exposure Levels Comments: 

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3. Listing is for Selenium and selenium compounds (other than hydrogen selenide). REL for hydrogen selenide listed separately.