INFORMATION REGARDING MESITYL OXIDE AND SOLVENT

MESITYL OXIDE
CASRN: 141-79-7

Major Uses :

SOLVENT FOR NITROCELLULOSE, MANY GUMS & RESINS, PARTICULARLY VINYL RESINS; IN LACQUERS, VARNISHES & ENAMELS
[Budavari, S. (ed.). The Merck Index - Encyclopedia of Chemicals, Drugs and Biologicals. Rahway, NJ: Merck and Co., Inc., 1989.929]**PEER REVIEWED**

Major Uses :

SOLVENT FOR RUBBERS, VINYL CHLORIDE-VINYL ACETATE COPOLYMERS, CELLULOSE RESINS, OILS, GUMS, INK, & LACQUERS; COMPONENT OF PAINT AND VARNISH REMOVERS; CHEM INTERMEDIATE FOR METHYL ISOBUTYL KETONE
[SRI]**PEER REVIEWED**

Artificial Pollution Sources :

Mesityl oxide is used to manufacture methyl isobutyl ketone and may be released to the environment during production(1). It may also be released to the environment through gasoline exhaust(2) and during its use as an intermediate, solvent for nitrocellulose and vinyl chloride-vinyl acetate resins, additive, or mineral extractant(3-4).
[(1) Windholz M et al; The Merck Index 10th ed. Rahway, NJ: Merck & Co Inc (1983) (2) Seizinger DE, Dimitriades B; J Air Pollut Control Assoc 22(1): 42-51 (1972) (3) Lande SS et al; Investigation of Selected Potential Environmental Contaminants: Ketonic Solvents USEPA-560/2-76-003 (1976) (4) Papa AJ, Sherman PDJR; Kirk-Othmer Encycl Chem Tech 3rd ed. NY: Wiley 13: p. 918 (1981)]**PEER REVIEWED**

Allowable Tolerances :

Mesityl oxide is exempted from the requirement of a tolerance when used as a cosolvent or solvent in accordance with good agricultural practice as inert (or occasionally active) ingredients in pesticide formulations applied to growing crops only. Not for use after edible parts of plant begin to form. Do not graze livestock in treated areas within 48 hr after application.
[40 CFR 180.1001(d) (7/1/90)]**PEER REVIEWED**

FIFRA Requirements :

SOURCE: http://toxnet.nlm.nih.gov/cgi-bin/sis/search/f?./temp/~3LZIzj:1