2-ETHYL HEXANOL

Chemical Identification
CAS #	104-76-7
Formula	C₈H₁₈O
Synonyms	2-ethylhexanol; 2-ethylhexan-1-ol; isooctyl alcohol

Physical Properties
Physical description	A dark brown liquid with an aromatic odor.
Boiling point	363-365°F	Molecular weight	130.23
Freezing point/melting point	-105°F	Vapor pressure	0.05 mmHg
Flash point	178°F	Vapor density	4.49
Specific gravity	0.834	Ionization potential
Lower explosive limit (LEL)	0.88%	Upper explosive limit (UEL)	9.7%
NFPA health rating	2	NFPA fire rating	2
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.)
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
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		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	NA	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: Not established		Notes: Not established
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

NOAA: CAMEO Chemicals - 2-Ethyl hexanol

NIOSH: Pocket Guide to Chemical Hazards - 2-Ethyl hexanol

Literature References

NIOSH: Registry of Toxic Effects of Chemical Substances, 1-Hexanol, 2-ethyl-, RTECS # MP0350000.
Deisinger, P.J., Boatman, R.J. and Guest, D.: Metabolism of 2-ethylhexanol administered orally and dermally to the female Fischer 344 rat. Xenobiotica 24(5): 429-440, 1994.
Gomaa, A., et al.: NIOSH Investigation of Gilster Mary Lee, HETA #2000-0401, Technical Assistance to Missouri Department of Health. Interim Report, August 22, 2001, 46 pp.
Hill, S.S., Shaw, B.R. and Wu, A.H.: Plasticizers, antioxidants, and other contaminants found in air delivered by PVC tubing used in respiratory therapy. Biomed. Chromatogr. 17(4): 250-262, 2003.
Kiesswetter, E., van Thriel, C., Schäper, M., Blaszkewicz, M. and Seeber, A.: Eye blinks as indicator for sensory irritation during constant and peak exposures to 2-ethylhexanol. Environ. Toxicol. Pharmacol. 19(3): 531-541, 2005.
Klimisch, H.J., Deckardt, K., Gembardt, C. and Hildebrand, B.: Subchronic inhalation toxicity study of 2-ethylhexanol vapour in rats. Food Chem. Toxicol. 36(3): 165-168, 1998.
Nalli, S., Horn, O.J., Grochowalski, A.R., Cooper, D.G. and Nicell, J.A.: Origin of 2-ethylhexanol as a VOC. Environ. Pollut. 140(1): 181-185, 2006.

Last Updated Date : 12/15/2020

2-ETHYL HEXANOL

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References