Osmium tetroxide solution
SIGALD/251755 - 4 wt. % in H2O
CAS Number: 20816-12-0
Empirical Formula (Hill Notation): O4Os
Molecular Weight: 254.23
MDL Number: MFCD00011150
Linear Formula: OsO4
Product Type: Chemical
concentration | 3.5-4.5% (OsO4) |
4 wt. % in H2O | |
density | 1.0 g/mL at 20 °C |
1.04 g/mL at 25 °C | |
form | liquid |
InChI | 1S/4O.Os |
InChI key | VUVGYHUDAICLFK-UHFFFAOYSA |
Quality Level | 100 ![]() |
reaction suitability | reagent type: oxidant |
SMILES string | O=[Os](=O)(=O)=O |
storage temp. | 2-8°C |
vapor pressure | 1.23 psi ( 20 °C) |
3.55 psi ( 55 °C) |
Application: |
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General description: | OsO4 (4wt% in H2O) is widely employed in organic synthesis especially for hydroxylation reactions. Additionally, it is also involved in the oxidative cleavage of alkenes. |
Symbol | ![]() ![]() |
Signal word | Danger |
Hazard statements | H302 + H332 - H310 - H315 - H318 |
Precautionary statements | P262 - P280 - P301 + P312 - P302 + P352 + P310 - P304 + P340 + P312 - P305 + P351 + P338 |
Hazard Codes | T |
Risk Statements | 23/24/25 |
Safety Statements | 36/37-45 |
RIDADR | UN 3287 6.1 / PGII |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Density | 1.0 g/mL at 20 °C; 1.04 g/mL at 25 °C |
Storage Temp. | 2-8°C |
UNSPSC | 12352300 |