(Substance [CAS No.]Documentation date: Methyl n-butyl ketone [591-78-6] (1995
TWA: 5 ppm
STEL: 10 ppm
Notations: Skin; BEI
MW: 100.16
TLV® Basis: Peripheral neuropathy; testicular dam
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(BIOLOGICAL EXPOSURE DETERMINANTS METHYL n-BUTYL KETONE [591-78-6] (2002
**Determinant: 2,5-Hexanedione in urine
Sampling Time: End of shift at end of workweek