Proprietary Solvents (27 CFR §20.113)

Contain 100 gallons SDA Formula 1, 3-A, or 3-C and:

  • No less than 1 gallon of gasoline (regular or unleaded), heptane, or rubber hydrocarbon solvent; and
  • No less than 3 gallons of ethyl acetate, methyl isobutyl ketone (MIBK), methyl n-butyl ketone, tert-butyl alcohol, sec-butyl alcohol, nitropropane (mixed isomers), ethylene glycol monoethyl ether, or toluene; and
  • May contain other ingredients in addition to those listed above.


Page last reviewed/updated: 10/11/2018