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Merck 800653 0050 Selenium Dioxide (Sublimed) For Synthesis 50 GR.
Merck 800653 0050 Selenium Dioxide (Sublimed) For Synthesis 50 GR.

Merck 800653 0050 Selenium Dioxide (Sublimed) For Synthesis 50 GR.

Ürün Kodu:8006530050
Hemen Al
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SEPETE EKLE
Ürün Açıklaması
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Description
Catalogue Number800653
SynonymsSelenious anhydride, Selenium(IV) oxide
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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
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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
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Toxicological Information
LD 50 oralLD50 Rat 68.1 mg/kg
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Safety Information according to GHS
Hazard Pictogram(s)Hazard Pictogram(s)\nHazard Pictogram(s)\nHazard Pictogram(s)\n
Hazard Statement(s)H301 + H331: Toxic if swallowed or if inhaled.\nH373: May cause damage to organs through prolonged or repeated exposure.\nH410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)P260: Do not breathe dust.\nP264: Wash skin thoroughly after handling.\nP273: Avoid release to the environment.\nP301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor.\nP304 + P340 + P311: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor.\nP314: 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\nInorganic 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.
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Safety Information
Categories of dangertoxic, dangerous for the environment
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Storage and Shipping Information
StorageStore below +30°C.
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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
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Specifications
Assay (iodometric)≥ 98.0 %

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