METHYL VINYL KETONE

Chemical Identification
Chemical Identification
CAS # 78-94-4
Formula
 

C₄H₆O

Synonyms
 

3-butene-2-one; acetyl ethylene; butenone; MVK; methylene acetone

Physical Properties
Physical Properties
Physical description A clear colorless liquid with a pungent odor.
Boiling point 179°F Molecular weight 70.1
Freezing point/melting point 20°F Vapor pressure 86 mmHg at 72°F
Flash point 20°F Vapor density 2.41
Specific gravity 0.8407 Ionization potential
Lower explosive limit (LEL) 2.1% Upper explosive limit (UEL) 15.6%
NFPA health rating 4 NFPA fire rating 3
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
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.

Wipe Method
Wipe Method
Sampler/Sampling media
 

 

Bulk Method
Bulk Method
 

 

On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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
 

0.001 ppm [2018]

PEL-C
 

0.05 ppm (0.14 mg/m³)

Skin notation
 

NA

Skin notation
 

NA

Skin notation
 

N

Skin notation
 

Y

Notes:
 

Not established

Notes:
 

Not established

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
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Methyl vinyl ketone

NIOSH: Pocket Guide to Chemical Hazards - Methyl vinyl ketone

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Dimethyl sulfate. See annual publication for most recent information.
  • EPA Air Toxics Website: Dimethyl sulfate. U.S. Environmental Protection Agency Technology Transfer Network.
  • Dimethyl sulfate. IARC Monogr. Eval. Carcinog. Risks Hum. 71(Pt. 2): 575-588, 1999.
  • Pohanish, R.P. (editor): Dimethyl Sulfate. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 939-941.
  • Schettgen, T., Broding, H.C., Angerer, J. and Drexler, H.: Dimethyl sulphate: a hidden problem in occupational medicine. Occup. Environ. Med. 61(1): 73-75, 2004.
  • Wang, Y., Xia, J. and Wang, Q.: Clinical report on 62 cases of acute dimethyl sulfate intoxication. Am. J. Ind. Med. 13(4): 455-462, 1988.

Last Updated Date : 01/05/2021