Label abbreviations descriptions

METHYL ISOPROPYL KETONE

Chemical Identification
CAS # 563-80-4
Formula
 

C₅H₁₀O
Synonyms
 

2-acetyl propane; isopropyl methyl ketone; 3-methyl-2-butanone; 3-methyl butan-2-one; MIPK

Physical Properties
Physical description Colorless liquid with an acetone-like odor.
Boiling point 201°F Molecular weight 86.2
Freezing point/melting point -134°F Vapor pressure 42 mmHg
Flash point 43°F Vapor density
Specific gravity 0.81 Ionization potential 9.32 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 1 NFPA fire rating 4
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
 

200 ppm (705 mg/m³)

 TLV-TWA
 

20 ppm [2010]

 PEL-TWA
 

 
PEL-STEL
 

 

 REL-STEL
 

 

 TLV-STEL
 

 

 PEL-STEL
 

 
PEL-C
 

 

 REL-C
 

 

 TLV-C
 

 

 PEL-C
 

 
Skin notation
 

NA

 Skin notation
 

N

 Skin notation
 

N

 Skin notation
 

NA
Notes:
 

Not established

 Notes:
 

 

 Notes:
 

 

 Notes:
 

Not established
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 : 01/28/2021