1-Pentanal (n-Valeraldehyde)

CAS 110-62-3 C₅H₁₀O MW 86.2000 Danger
Flame Flame
Corrosion Corrosion
Exclamation Mark Exclamation Mark
Emergency: 911 | Poison Control: 1-800-222-1222

Hazard Statements

CodeStatementHazard Class
H225 Highly Flammable liquid and vapor Flammable liquids
H314 Causes severe skin burns and eye damage Skin corrosion/irritation
H318 Causes serious eye damage Serious eye damage/eye irritation
H332 Harmful if inhaled Acute toxicity, inhalation
H335 May cause respiratory irritation Specific target organ toxicity, single exposure; Respiratory tract irritation
H336 May cause drowsiness or dizziness Specific target organ toxicity, single exposure; Narcotic effects
H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard

Precautionary Statements

CodeStatement
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 Wash hands [and ...] thoroughly after handling.
P264+P265 Wash hands [and ...] thoroughly after handling. Do not touch eyes.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
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.
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+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P319 Get medical help if you feel unwell.
P321 Specific treatment (see information on this label and safety datasheet)).
P363 Wash contaminated clothing 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

NIOSH REL50 ppm
Skin NotationYes — can be absorbed through skin

Physical Properties

Colorless liquid with a strong, acrid, pungent odor.

Boiling Point217°F
Flash Point53.6°F
Vapor Pressure26 mmHg
Specific Gravity0.811

NFPA 704 Diamond

3
2
0
Health Fire Reactivity

Target Organs

Skin Eyes

severe eye and skin irritation

Synonyms

amyl aldehyde; pentanal; valeral; valeraldehyde; valeric aldehyde

Data Sources

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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