MERCK 124505 Osmium(VIII) oxide for microscopy. CAS 20816-12-0, EC Number 244-058-7, chemical formula OsO₄

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Stok Kodu
124505.0100
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Description
Catalogue Number 124505
Replaces OX0260-5; OX0260-3
Synonyms Osmic acid, Osmiumtetraoxide
Description Osmium(VIII) oxide
Overview Osmium tetroxide for microscopy can be used to visualize unsaturated lipids. A part of the lipids is immediately blackened by the influence of osmic acid solution. The immediate black coloration results from the -C=C- double bond of the unsaturated fatty acid. The fatty acids that are made brownish at first can be blackened by treatment with 60-70% alcohol. For electron microscopy or semithin sectioning the glutardialdehyde-fixed specimens are post-fixed with osmium(VIII) oxide. Lipid inclusions appear black on a yellow to brown background. It is an IVD / CE registered product
Product Information
CAS number 20816-12-0
EC index number 076-001-00-5
EC number 244-058-7
Hill Formula O₄Os
Chemical formula OsO₄
Molar Mass 254.19 g/mol
HS Code 2843 90 90
Applications
Application Osmium(VIII) oxide for microscopy. CAS 20816-12-0, EC Number 244-058-7, chemical formula OsO₄.
Physicochemical Information
Boiling point 130 °C (1013 hPa)
Density 4.91 g/cm3 (20 °C)
Melting Point 40 °C
pH value 6 (25 g/l, H₂O, 20 °C)
Vapor pressure 10 hPa (20 °C)
Bulk density 1500 kg/m3
Solubility 65 g/l
Toxicological Information
LD 50 oral LD50 Rat 15 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)

Hazard Statement(s) H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
Storage class 6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK WGK 3 highly water endangering
Disposal 27
Residues containing valuable recoverable metals should be forwarded for recycling. Container H.
Safety Information
Hazard Symbols Very toxic
Categories of danger very toxic, corrosive
R Phrase R 26/27/28-34
Very toxic by inhalation, in contact with skin and if swallowed.Causes burns.
S Phrase S 7/9-26-45
Keep container tightly closed and in a well-ventilated place.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Storage and Shipping Information
Storage Store at +15°C to +25°C.
Transport Information
Declaration (railroad and road) ADR, RID UN 2471 , 6.1, I
Declaration (transport by air) IATA-DGR UN 2471 , 6.1, I
Declaration (transport by sea) IMDG-Code UN 2471 , 6.1, I, Marine Pollutant: P
Specifications
Identity (Raman-spectrum) conforms
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MERCK 124505 Osmium(VIII) oxide for microscopy. CAS 20816-12-0, EC Number 244-058-7, chemical formula OsO₄ Osmium(VIII) oxide for microscopy, MERCK 124505.0100 100 gr AMBALAJ SENTEZLAB, SENTEZ, merck 124505, 124505, merck Osmium(VIII) oxide, merck Osmium(VIII) oxide 124505, Osmium(VIII) oxide, OsO₄, CAS 20816-12-0 124505.0100
MERCK 124505 Osmium(VIII) oxide for microscopy. CAS 20816-12-0, EC Number 244-058-7, chemical formula OsO₄

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