2-Hexanone, 5-methyl-
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Health Hazard
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H226 |
Flammable liquid and vapor | Flammable liquids |
H303 |
May be harmful if swallowed | Acute toxicity, oral |
H305 |
May be harmful if swallowed and enters airways | Aspiration hazard |
H320 |
Causes eye irritation | Serious eye damage/eye irritation |
H332 |
Harmful if inhaled | Acute toxicity, inhalation |
H336 |
May cause drowsiness or dizziness | Specific target organ toxicity, single exposure; Narcotic effects |
H373 |
May 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. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
P271 |
Use only outdoors or in a well-ventilated area. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P301+P316 |
IF SWALLOWED: Get emergency medical help immediately. |
P301+P317 |
IF SWALLOWED: Get medical help. |
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. |
P317 |
Get emergency medical help. |
P319 |
Get medical help if you feel unwell. |
P331 |
Do NOT induce vomiting. |
P337+P317 |
If eye irritation persists: Get medical help. |
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 | 100 ppm |
| NIOSH REL | 50 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless, clear liquid with a pleasant, fruity odor.
| Boiling Point | 291°F |
| Flash Point | 97°F |
| Vapor Pressure | 5 mmHg |
| Specific Gravity | 0.81 |
NFPA 704 Diamond
3
1
0
Health
Fire
Reactivity
Target Organs
irritation, liver, kidney, and nervous system effects
Synonyms
isoamyl methyl ketone; isopentyl methyl ketone; 2-methyl-5-hexanone; 5-methyl-2-hexanone; MIAK; 5-methylhexan-2-one
Data Sources
- GHS Classification: PubChem CID 8034
- 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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