Hydrogen cyanide
Safety Data Sheets
| Manufacturer | Download |
|---|---|
| Electronic Fluorocarbons | Download PDF |
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H224 |
Extremely flammable liquid and vapor | Flammable liquids |
H300 |
Fatal if swallowed | Acute toxicity, oral |
H310 |
Fatal in contact with skin | Acute toxicity, dermal |
H319 |
Causes serious eye irritation | 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 |
Precautionary Statements
| Code | Statement |
|---|---|
P210 |
Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking. |
P233 |
Keep container tightly closed. |
P240 |
Ground/bond container and receiving equipment. |
P241 |
Use explosion-proof [electrical/ventilating/lighting/.../] equipment. |
P242 |
Use only non-sparking tools. |
P243 |
Take precautionary measures against static discharge. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P262 |
Do not get in eyes, on skin, or on clothing. |
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. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P303+P361+P353 |
IF ON SKIN (or hair): Take off Immediately all contaminated clothing. Rinse SKIN with water [or shower]. |
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. |
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. |
P337+P317 |
If eye irritation persists: Get medical help. |
P361+P364 |
Take off immediately all contaminated clothing and wash it before reuse. |
P370+P378 |
In case of fire: Use ... to extinguish. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P403+P235 |
Store in a well-ventilated place. Keep cool. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 10 ppm |
| NIOSH STEL | 4.7 ppm |
| NIOSH IDLH | 50 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless or pale-blue liquid or gas (above 78°F) with a bitter, almond-like odor.
| Boiling Point | 78°F (96%) |
| Flash Point | 0°F (96%) |
| Vapor Pressure | 630 mmHg |
| Specific Gravity | 0.69 |
NFPA 704 Diamond
4
4
1
Health
Fire
Reactivity
Target Organs
thyroid, blood and respiratory effects
Synonyms
formonitrile; hydrocyanic acid; prussic acid
Data Sources
- GHS Classification: PubChem CID 768
- 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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