Agent Name |
Selenium dioxide |
CAS Number |
7446-08-4 |
Formula |
O2-Se |
Major Category |
Other Classes |
Synonyms |
Selenious anhydride; Selenium dioxide; Selenium dioxide dimer; Selenium oxide; Selenium oxide (1:2); Selenium oxide (Se2O4); Selenium oxide (SeO2); Selenium(IV) dioxide (1:2); Selenous acid anhydride; [ChemIDplus] |
Category |
Other Inorganic Compounds |
Description |
White or yellowish-white to slightly reddish, lustrous, crystalline powder or needles. [HSDB] |
Sources/Uses |
Used to make other selenium compounds; Also used as a reagent and oxidizing agent; [Merck Index #8434] Used as a red colorant in glass and a toner in photographic development; [Wikipedia] |
Comments |
Reacts with water to produce selenious acid; Can cause severe burns and irritation of the eyes and respiratory tract; Absorbed through the skin; [Olson, p. 620] A corrosive substance that can induce pulmonary edema; Has potential to cause skin sensitization and liver injury; [ICSC] |
Exposure Assessment |
Explanatory Notes |
VP 12.5 mm Hg @ 70 deg C; mp = 340 deg C; [Merck Index #8434] |
Adverse Effects |
Toxic Pneumonitis |
Yes |
Dermatotoxin |
Skin Burns |
Skin Sensitizer |
Yes |
Hepatotoxin |
Hepatotoxin, Secondary |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: SELENIUM DIOXIDE
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