| Agent Name |
Selenium dioxide |
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| CAS Number |
7446-08-4 |
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| Formula |
O2-Se |
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| Major Category |
Other Classes |
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| 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] |
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| Category |
Other Inorganic Compounds |
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| Description |
White or yellowish-white to slightly reddish, lustrous, crystalline powder or needles. [HSDB] |
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| 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] |
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| 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] |
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| Exposure Assessment |
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| Explanatory Notes |
VP 12.5 mm Hg @ 70 deg C; mp = 340 deg C; [Merck Index #8434] |
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| Adverse Effects |
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| Toxic Pneumonitis |
Yes |
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| Dermatotoxin |
Skin Burns |
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| Skin Sensitizer |
Yes |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: SELENIUM DIOXIDE
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