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Osmium tetraoxide, 1 g

≥99,95 %, p.a., for electron microscopy
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Mogelijke gevolgen: vernietigen metalen en zijn bijtend voor lichaamsweefsel; ernstig oogletsel is mogelijk. Veiligheid: contact vermijden; veiligheidsbril en handschoenen dragen. Bij contact ogen en huid met water spoelen.
Mogelijke gevolgen: leiden in kleinere hoeveelheden onmiddellijk tot ernstige schade aan de gezondheid of tot de dood. Veiligheid: niet inademen, aanraken, inslikken. Beschermingsmiddelen dragen. Onmiddellijk antigifcentrum of arts op de hoogte brengen. Stabiele zijpositie.
i fatal if swallowed, in contact with skin or if inhaled, causes severe skin burns and eye damage
P280 P301+P330+P331 P302+P350 P304+P340 P305+P351+P338 P309+P311
i wear protective gloves/protective clothing/eye protection/face protection, IF SWALLOWED: rinse mouth. Do NOT induce vomiting, IF ON SKIN: Gently wash with plenty of soap and water, IF INHALED: Remove person to fresh air and keep comfortable for breathing, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, IF exposed or if you feel unwell: Call a POISON CENTER or doctor/physician
Osmium(VIII) oxide, Osmic acid
Empirical formula OsO4
Molar mass (M) 254,20 g/mol
Density (D) 4,9 g/cm³
Boiling point (bp) 130 °C
Melting point (mp) 40 °C
Storage temp. +4 to +15 °C
ADR 6.1 I
CAS No. [20816-12-0]
EG-Nr. 244-058-7
UN-Nr. 2471

In sealed off glass ampoules.

Osmium tetraoxide is suitable for fixing lipides and proteins. Because of the low penetration power, ...
Guarantee analysis

166,55 €/VE 

Excl. btw | 1 g Per VE

Bestelnr. 8371.3

Leveringsdatum onbekend op dit moment
Vrij van verzendingskosten vanaf 125 €
Vanaf 6 VE 158,22 €/VE
Vanaf 24 VE 149,90 €/VE
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Osmium tetraoxide is suitable for fixing lipides and proteins. Because of the low penetration power, application is primarily limited to ultra thin techniques with small tissue samples.

Osmium tetraoxide
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Bestelnr. Verp. Pack. Prijs Hoeveelheid
8371.1 100 mg glass 44,00 €
8371.2 500 mg glass 107,40 €
8371.3 1 g glass 166,55 €
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Algemene informatie

Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.


p.a.: pro analysi (for analysis)

ACS: American Chemical Society

ISO: International Standard Organisation

Oxidising Agents

Oxidation reactions play an important role - not only in inorganic chemistry but also in many organic synthesis processes. Several examples are shown here: Lemieux-von-Rudloff oxidation, Lemieux-Johnson oxidation and dihydroxylation. Carl ROTH offers a selection of well-known and commonly available oxidants in this area.


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Guarantee analysis

Appearancepale yellow crystals  
Assay≥99,95 %  
Osmium (Os)74-76 %  
Aluminium (Al)≤0,001 %  
Calcium (Ca)≤0,001 %  
Lead (Pb)≤0,001 %  
Sodium (Na)≤0,001 %  
Nickel (Ni)≤0,001 %  
Non volatile matter≤0,02 %  

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