Nitrogen dioxide
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Gas Cylinder
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Health Hazard
Safety Data Sheets
| Manufacturer | Download |
|---|---|
| Sigma Aldrich | Download PDF |
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H270 |
May cause or intensify fire; oxidizer | Oxidizing gases |
H280 |
Contains gas under pressure; may explode if heated | Gases under pressure |
H319 |
Causes serious eye irritation | Serious eye damage/eye irritation |
H330 |
Fatal if inhaled | Acute toxicity, inhalation |
H336 |
May cause drowsiness or dizziness | Specific target organ toxicity, single exposure; Narcotic effects |
H361 |
Suspected of damaging fertility or the unborn child | Reproductive toxicity |
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 |
Precautionary Statements
| Code | Statement |
|---|---|
P203 |
Obtain, read and follow all safety instructions before use. |
P220 |
Keep away from clothing and other combustible materials. |
P244 |
Keep valves and fittings free from oil and grease. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing 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. |
P304+P340 |
IF INHALED: Remove person to fresh air and keep 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+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P316 |
Get emergency medical help immediately. |
P318 |
if exposed or concerned, get medical advice. |
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)). |
P337+P317 |
If eye irritation persists: Get medical help. |
P370+P376 |
in case of fire: Stop leak if safe to do so. |
P403 |
Store in a well-ventilated place. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P410+P403 |
Protect from sunlight. Store in a well-ventilated place. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| NIOSH STEL | 1 ppm |
| NIOSH IDLH | 13 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor.
| Boiling Point | 70°F |
| Vapor Pressure | 720 mmHg |
| Specific Gravity | 1.44 (liquid at 68°F) |
NFPA 704 Diamond
0
3
0
Health
Fire
Reactivity
Target Organs
respiratory and blood effects
Synonyms
diesel exhaust component, dinitrogen tetroxide (N₂O₄), NO₂, nitrogen peroxide, nitrogen tetroxide
Data Sources
- GHS Classification: PubChem CID 3032552
- 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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