N-PROPYL ALCOHOL (N-PROPANOL)†

Chemical Identification
Chemical Identification
CAS # 71-23-8
Formula
 

C₃H₈O

Synonyms
 

propyl alcohol; 1-propanol; ethyl carbinol

Physical Properties
Physical Properties
Physical description Colorless liquid with a mild, alcohol-like odor.
Boiling point 207°F Molecular weight 60.1
Freezing point/melting point -196°F Vapor pressure 15 mmHg
Flash point 72°F Vapor density
Specific gravity 0.81 Ionization potential 10.15 eV
Lower explosive limit (LEL) 2.2% Upper explosive limit (UEL) 13.7%
NFPA health rating 1 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.) 2170
Sampling group OVSG-2
Sampler/Sampling media 2 Anasorb 747 sampling tubes (6 mm glass tubes, the front tube contains 400 and the back 200 mg of sorbent) connected in series [SKC 226-82]
Sampling time*
 

240 min

Sampling volume (TWA)*
 

12 L

Sampling flow rate (TWA)*
 

0.05 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments GC-FID
Method reference OSHA 5001 (fully validated)
Notes
 

 

Special requirements
 

 

* 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
 

200 ppm (500 mg/m³)

REL-TWA
 

200 ppm (500 mg/m³)

TLV-TWA
 

100 ppm [2006]

PEL-TWA
 

200 ppm (500 mg/m³)

PEL-STEL
 

 

REL-STEL
 

250 ppm (625 mg/m³)

TLV-STEL
 

 

PEL-STEL
 

250 ppm (625 mg/m³)

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

Y

Skin notation
 

N

Skin notation
 

Y

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

800 ppm

Carcinogenic classifications: TLV-A4 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 - N-Propanol

NIOSH: Pocket Guide to Chemical Hazards - n-Propyl alcohol

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - n-Propanol. See annual publication for most recent information.
  • NIOSH: Occupational Health Guideline for Propyl Alcohol. 1978.

Last Updated Date : 01/07/2021