Methyl isobutyl ketone

Chemical NameMethyl isobutyl ketone
Synonym(s)2-Methyl-4-pentanone | 2-Methylpropyl methyl ketone | 2-Pentanone, 4-methyl- | 4-Methyl-2-oxopentane | 4-Methyl-2-pentanone | Hexone | Isobutyl methyl ketone | Isopropylacetone | MIBK | MIK
CASRN108-10-1
De minimis Limit %0.1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeIndividually listed chemical
Effective Date01-JAN-87
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Denial of petition to delist———No proposed rule for this action64 FR 8769 (2/23/1993)

Default Percentages for Section 6.1 Transfers

% of §6.1 to §:
8.1c8.1d8.7
0991

Basis of OSHA Carcinogens

IARCNTPOSHA-Z
2B
Structural image
Structural representation of Methyl isobutyl ketone