osmium tetraoxide
Corrosion
Skull and Crossbones
Health Hazard
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H301 |
Toxic if swallowed | Acute toxicity, oral |
H314 |
Causes severe skin burns and eye damage | Skin corrosion/irritation |
H318 |
Causes serious eye damage | Serious eye damage/eye irritation |
H330 |
Fatal if inhaled | Acute toxicity, inhalation |
H370 |
Causes damage to organs | Specific target organ toxicity, single exposure |
H372 |
Causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
H373 |
May causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P284 |
[In case of inadequate ventilation] Wear respiratory protection. |
P301+P316 |
IF SWALLOWED: Get emergency medical help immediately. |
P301+P330+P331 |
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302+P361+P354 |
IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes. |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P305+P354+P338 |
IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P316 |
Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P319 |
Get medical help if you feel unwell. |
P320 |
Specific treatment is urgent (see ... on this label). |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P330 |
Rinse mouth. |
P363 |
Wash contaminated clothing before reuse. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 2E-3 mg-m3 |
| NIOSH REL | 2E-3 mg-m3 |
| NIOSH STEL | 6.0000000000000001E-3 mg-m3 |
| NIOSH IDLH | 1 mg-m3 |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless, crystalline solid or pale-yellow mass with an unpleasant, acrid, chlorine-like odor.
| Boiling Point | 266°F |
| Vapor Pressure | 7 mmHg |
| Specific Gravity | 5.1 |
Synonyms
osmic acid anhydride; osmium oxide
Data Sources
- GHS Classification: PubChem CID 30318
- OSHA PEL: OSHA Occupational Chemical Database
- NIOSH REL/IDLH: NIOSH Pocket Guide
Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.
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