selenious acid
dihydroxidooxidoselenium
Identification
| Name | selenious acid |
| IUPAC | selenous acid |
| CAS Number | 7783-00-8 |
| EINECS | 231-974-7 |
| FDA UNII | F6A27P4Q4R |
| Molecular Formula | H2 O3 Se |
| Molecular Weight | 128.97354000 |
| MDL Number | MFCD00011331 |
| Nikkaji Number | J4.497K |
Regulatory
| FDA/DG SANTE Petitions, Reviews, Notices | FR DOC # 2012-1692 |
Physical Properties
| Appearance | white crystalline powder (est) |
| Assay | 98.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 3.00400 @ 25.00 °C. |
| Melting Point | 70.00 °C. @ 760.00 mm Hg |
| Boiling Point | 176.00 to 177.00 °C. @ 760.00 mm Hg (est) |
| Flash Point | 32.00 °F. TCC ( 0.00 °C. ) (est) |
| Soluble in | alcohol |
No sensory data available
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | oral-rat LD50 25 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements', 'U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#05656']
Safety in Use
| Category | dietary supplements |
| Recommendation for selenious acid usage levels up to | not for fragrance use. |
| Recommendation for selenious acid flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
dihydroxidooxidoselenium
hydrogen selenite
selenious acid (H2SeO3)
selenite
selenium dioxide
monohydrated
selenium dioxide
selenous acid
selenous acid (H2SeO3)
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