Osmium tetraoxide, 100 mg
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
WGK 1
CAS No. 20816-12-0
EG-Nr. 244-058-7
UN-Nr. 2471
€56.90/Pack Qty.
excl. VAT. | 100 mg per Pack Qty.
Art. No. 8371.1

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Product details
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 ≥99,95 %, p.a., for electron microscopy
- Subtotal: 0.00
Art. No. | Pack Qty. | Pack. | Price | Quantity | ||
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8371.1 | 100 mg | glass |
€56.90 |
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8371.2 | 500 mg | glass |
€138.70 |
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8371.3 | 1 g | glass |
€217.70 |
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- Subtotal: 0.00
Downloads / MSDS
General information
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.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
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.
Certificates of Analysis
Guarantee analysis
Appearance | pale 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 % |