HEXANE ISOMERS, EXCLUDING N-HEXANE

Chemical Identification

CAS # NO CAS
Formula
 

C₆H₁₄

Synonyms
 

 

Physical Properties

Physical description Colorless liquid with a gasoline-like odor.
Boiling point 122-145°F Molecular weight 86.2
Freezing point/melting point -245°F to -148°F Vapor pressure
Flash point -54°F to 19°F Vapor density
Specific gravity 0.65 to 0.66 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
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

Analyte code (IMIS no.) H146
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
 

 

Sampling volume (TWA)*
 

4 L

Sampling flow rate (TWA)*

0.2 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference NIOSH 1500 (partially 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
 

 

REL-TWA
 

100 ppm (350 mg/m³)

TLV-TWA
 

500 ppm [1979]

PEL-TWA
 

500 ppm (1800 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

1000 ppm [1979]

PEL-STEL
 

1000 ppm (3600 mg/m³)

PEL-C
 

 

REL-C
 

510 ppm (1800 mg/m³) [15 minutes]

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Notes:
 

Not established. See individual isomers.

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 : 12/31/2020