N-VALERALDEHYDE

Chemical Identification
Chemical Identification
CAS # 110-62-3
Formula

C₅H₁₀O

Synonyms

amyl aldehyde; pentanal; valeral; valeraldehyde; valeric aldehyde

Physical Properties
Physical Properties
Physical description Colorless liquid with a strong, acrid, pungent odor.
Boiling point 217°F Molecular weight 86.14
Freezing point/melting point -132.7°F Vapor pressure 26 mmHg
Flash point 53.6°F Vapor density 3
Specific gravity 0.811 Ionization potential 9.82 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 2 NFPA fire rating 3
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) V108
Sampling group
Sampler/Sampling media 3 GFFs in 1 cassette; 2 back-to-back, the 3rd separated by a spacer. The filters are coated with 2,4-dinitrophenylhydrazine (DNPH) and phosphoric acid [SKC 225-9020]
Sampling time*
Sampling volume (TWA)*

3 L

Sampling flow rate (TWA)*

0.05 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments HPLC
Method reference OSHA 85 (fully validated)
Notes

Sample open-faced!!

Special requirements

Keep samples in darkness after sampling.

 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media
 

 

Bulk Method
Bulk Method
 

 

On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

 

REL-TWA
 

50 ppm (175 mg/m³)

TLV-TWA
 

50 ppm [1984]

PEL-TWA
 

50 ppm (175 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Notes:
 

Not established

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
 

 

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Valeraldehyde

NIOSH: Pocket Guide to Chemical Hazards - n-Valeraldehyde

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - n-Valeraldehyde. See annual publication for most recent information.
  • Pohanish, R.P. (editor): Valeraldehyde. In, Sittig’s Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 2307-2308.
  • Wilkin, J.K. and Fortner, G.: Cutaneous vascular sensitivity to lower aliphatic alcohols and aldehydes in Orientals. Alcohol Clin. Exp. Res. 9(6): 522-525, 1985.

Last Updated Date : 01/28/2021