MERCK 107714 Selenium black 99+ for analysis EMSURE®. CAS 7782-49-2, molar mass 78.96 g/mol
MERCK

MERCK 107714 Selenium black 99+ for analysis EMSURE®. CAS 7782-49-2, molar mass 78.96 g/mol

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KİMYASAL ÜRÜNLER
Stok Kodu
M.107714.0050
Fiyat
136,64 EUR + KDV
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Description
Catalogue Number 107714
Product Information
CAS number 7782-49-2
EC index number 034-001-00-2
EC number 231-957-4
Hill Formula Se
Molar Mass 78.96 g/mol
HS Code 2804 90 00
Applications
Application Selenium black 99+ for analysis EMSURE®. CAS 7782-49-2, molar mass 78.96 g/mol.
Physicochemical Information
Boiling point 685 °C (1013 hPa)
Density 4.28 g/cm3 (20 °C)
Melting Point 217 °C
Vapor pressure <1 Pa (20 °C)
Bulk density 1270 kg/m3
Solubility <0.021 mg/l slightly soluble
Toxicological Information
LD 50 oral LD50 Rat 6700 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)

Hazard Statement(s) H331: Toxic if inhaled.
H301: Toxic if swallowed.
H373: May cause damage to organs through prolonged or repeated exposure.
H413: May cause long lasting harmful effects to aquatic life.
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.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
Storage class 6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing 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 Toxic
Categories of danger toxic, dangerous for the environment
R Phrase R 23/25-33-53
Toxic by inhalation and if swallowed.Danger of cumulative effects.May cause long-term adverse effects in the aquatic environment.
S Phrase S 20/21-28-45-61
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).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Storage and Shipping Information
Storage Storage temperature: no restrictions.
Transport Information
Declaration (railroad and road) ADR, RID UN 3283 , 6.1, II
Declaration (transport by air) IATA-DGR UN 3283 , 6.1, II
Declaration (transport by sea) IMDG-Code UN 3283 , 6.1, II
Specifications
Identity passes test
Assay (gravimetrically) ≥ 99.0 %
Cu (Copper) ≤ 0.005 %
Fe (Iron) ≤ 0.05 %
Pb (Lead) ≤ 0.05 %
Residue on ignition ≤ 0.5 %
Particle size (> 150 µm) ≤ 5 %
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MERCK 107714 Selenium black 99+ for analysis EMSURE®. CAS 7782-49-2, molar mass 78.96 g/mol M.107714.0050
MERCK 107714 Selenium black 99+ for analysis EMSURE®. CAS 7782-49-2, molar mass 78.96 g/mol

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