PROPARGYL ALCOHOL†

Chemical Identification

CAS # 107-19-7
Formula
 

C₃H₄O

Synonyms
 

1-propyn-3-ol; 2-propyn-1-ol; 2-propynyl alcohol

Physical Properties

Physical description Colorless to straw-colored liquid with a mild, geranium odor.
Boiling point 236.5°F Molecular weight 56.07
Freezing point/melting point -62°F Vapor pressure 12 mmHg
Flash point 97°F (open cup) Vapor density
Specific gravity 0.9485 Ionization potential 10.51 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 4 NFPA fire rating 3
NFPA reactivity rating 3 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 2167
Sampling group
Sampler/Sampling media HBr coated petroleum-based CSC (100/50 mg) [SKC 226-178]
Sampling time*
 

120 min

Sampling volume (TWA)*
 

6 L

Sampling flow rate (TWA)*
 

0.05 L/min

Sampling volume (STEL/Peak/C)*
 

0.75 L

Sampling flow rate (STEL/Peak/C)*
 

0.05 L/min

Analytical method instruments GC-ECD
Method reference OSHA 97 (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.

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
 

1 ppm

REL-TWA
 

1 ppm (2 mg/m³)

TLV-TWA
 

1 ppm [1992]

PEL-TWA
 

1 ppm (2 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Notes:

The OSHA PEL applies to Construction and Maritime Industries only. See 29 CFR 1926.55 Table 1 and 29 CFR 1915.1000 Table Z-Shipyards.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Notes:
 

 

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

 

Additional Resources and Literature References

Last Updated Date : 06/03/2022