Label abbreviations descriptions

N-VALERALDEHYDE

Chemical Identification
CAS # 110-62-3
Formula

C₅H₁₀O
Synonyms

amyl aldehyde; pentanal; valeral; valeraldehyde; valeric aldehyde

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
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.

Bulk/Wipe Method
Wipe Sampler/Sampling media
 

 
Bulk Method
 

 

On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)

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

Last Updated Date : 01/28/2021