NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

n-Valeraldehyde

CAS
110-62-3

CH3(CH2)3CHO

RTECS
YV3600000
Synonyms & Trade Names

Amyl aldehyde, Pentanal, Valeral, Valeraldehyde, Valeric aldehyde
DOT ID & Guide
2058 / 129

Exposure
Limits

NIOSH REL: TWA 50 ppm (175 mg/m3) See Appendix C (Aldehydes)
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
Conversion
1 ppm = 3.53 mg/m3
Physical Description
Colorless liquid with a strong, acrid, pungent odor.
MW: 86.2
BP: 217°F
FRZ: -133°F
Sol: Slight
VP: 26 mmHg
IP: 9.82 eV

Sp.Gr: 0.81
Fl.P: 54°F
UEL: ?
LEL: ?

Class IB Flammable Liquid: Fl.P. below 73F and BP at or above 100F.
Incompatibilities & Reactivities

None reported
Measurement Methods
NIOSH 2018, 2536; OSHA 85
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, nose, throat
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 1417