MERCK 800653 Selenium dioxide (sublimed) for synthesis
MERCK

MERCK 800653 Selenium dioxide (sublimed) for synthesis

2.257,11 TL
Kategori
KİMYASAL ÜRÜNLER
Stok Kodu
M.800653.0050
Fiyat
50,84 EUR + KDV
SEPETE EKLE
HIZLI SATIN AL
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Description
Catalogue Number 800653
Synonyms Selenious anhydride, Selenium(IV) oxide
Product Information
CAS number 7446-08-4
EC index number 034-002-00-8
EC number 231-194-7
Hill Formula O₂Se
Chemical formula SeO₂
Molar Mass 110.96 g/mol
HS Code 2811 29 90
Physicochemical Information
Density 3.95 g/cm3 (20 °C)
Melting Point 340 °C
pH value 2 (10 g/l, H₂O, 20 °C)
Vapor pressure <1 Pa (20 °C)
Solubility 1353 g/l
Toxicological Information
LD 50 oral LD50 Rat 68.1 mg/kg
Safety Information according to GHS
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) P273: Avoid release to the environment.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P314: Get medical advice/ attention if you feel unwell.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
RTECS VS8575000
Storage class 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
WGK WGK 2 water endangering
Disposal 17
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
Hazard Symbols Dangerous for the environment
Toxic
Categories of danger toxic, dangerous for the environment
R Phrase R 23/25-33-50/53
Toxic by inhalation and if swallowed.Danger of cumulative effects.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 20/21-28-45-60-61
When using do not eat, drink or smoke.After contact with skin, wash immediately with plenty of soap and water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Storage and Shipping Information
Storage Store below +30°C.
Transport Information
Declaration (railroad and road) ADR, RID UN 3283 , 6.1, III
Declaration (transport by air) IATA-DGR UN 3283 , 6.1, III
Declaration (transport by sea) IMDG-Code UN 3283 , 6.1, III
Specifications
Assay (iodometric) ≥ 98.0 %
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MERCK 800653 Selenium dioxide (sublimed) for synthesis M.800653.0050
MERCK 800653 Selenium dioxide (sublimed) for synthesis

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