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800653 Selenium dioxide

(sublimed) for synthesis

Selenium dioxide MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Selenious anhydride, Selenium(IV) oxide

CAS #: 7446-08-4 EC Number: 231-194-7 Molar Mass: 110.96 g/mol Chemical Formula: SeO₂ Hill Formula: O₂Se
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800653
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
7446-08-4231-194-7O₂SeSeO₂110.96 g/mol

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              Description
              Catalogue Number800653
              SynonymsSelenious anhydride, Selenium(IV) oxide
              References
              Product Information
              CAS number7446-08-4
              EC index number034-002-00-8
              EC number231-194-7
              Hill FormulaO₂Se
              Chemical formulaSeO₂
              Molar Mass110.96 g/mol
              HS Code2811 29 90
              Quality LevelMQ200
              Applications
              Biological Information
              Physicochemical Information
              Density3.950 g/cm3
              Melting Point340 °C
              pH value2 (10 g/l, H₂O, 20 °C)
              Vapor pressure1 hPa (157 °C)
              Solubility1353 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 68.1 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Statement(s)H301 + H331: Toxic if swallowed or if inhaled.
              H373: May cause damage to organs through prolonged or repeated exposure.
              H410: Very toxic to aquatic life with long lasting effects.
              Precautionary Statement(s)P260: Do not breathe dust.
              P264: Wash skin thoroughly after handling.
              P273: Avoid release to the environment.
              P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor.
              P304 + P340 + P311: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor.
              P314: Get medical advice/ attention if you feel unwell.
              Signal WordDanger
              RTECSVS8575000
              Storage class6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
              WGKWGK 2 obviously hazardous to water
              Disposal17
              Inorganic selenium compounds are toxic and must be handled with caution. Container E. Elemental selenium can be recovered by first oxidizing the salts in aqueous solution with concentrated Nitric acid (Cat.No. 100443). The addition of Sodium hydrogen sulfite solution (Item No. 806356) then causes elemental selenium to precipitate out. Aqueous phase: Container D.
              Safety Information
              Categories of dangertoxic, dangerous for the environment
              Product Usage Statements
              Storage and Shipping Information
              StorageStore below +30°C.
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDUN 3283 , 6.1, III
              Declaration (transport by air) IATA-DGRUN 3283 , 6.1, III
              Declaration (transport by sea) IMDG-CodeUN 3283 , 6.1, III
              Supplemental Information
              Specifications
              Assay (iodometric)≥ 98.0 %
              Global Trade Item Number
              Catalogue Number GTIN
              8.00653.0050 04022536361413
              8.00653.0250 04022536361420
              8.00653.1000 04022536361437