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3-METHYLPENTANE
| CAS # | 96-14-0 | 
|---|---|
| Formula | 
                               C₆H₁₄  | 
          
| Synonyms | 
                               diethylmethylmethane  | 
          
| Physical description | Clear liquids with mild, gasoline-like odors. | ||
|---|---|---|---|
| Boiling point | 572°F | Molecular weight | 182.2 | 
| Freezing point/melting point | -245 to -148°F | Vapor pressure | 1 mmHg | 
| Flash point | -54 to 19°F | Vapor density | |
| Specific gravity | 0.65-0.66 | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | M337 | 
|---|---|
| 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 | OSHA IN-HOUSE METHOD | 
| 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 Sampler/Sampling media | |
|---|---|
| Bulk Method | 
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
| 
                              Sampling information  (see manufacturer instructions)  | 
                                          
| 
               
                                  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  | 
            |||||
|---|---|---|---|---|---|---|---|
| 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 (3600 mg/m³)  | 
          ||
| PEL-C | REL-C | 
                               510 ppm (1800 mg/m³) [15 minutes]  | 
            TLV-C | PEL-C | |||
| Skin notation | 
                               NA  | 
            Skin notation | 
                               N  | 
            Skin notation | 
                               N  | 
            Skin notation | 
                               N  | 
          
| 
                              Notes: 
                                             Not established  | 
            Notes: | Notes: | 
                              Notes: 
                                             as Hexane, other isomers  | 
          ||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: | 
                              Notes:
                                            
 
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| 
                              
                  AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
                
                                            
 
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Additional Resources and Literature References
| 
              
               NIOSH: Pocket Guide to Chemical Hazards - Hexane isomers (excluding n-Hexane) Literature References 
  | 
          
Last Updated Date : 12/15/2020