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Denaturants
that are approved
for use with Ethanol
 

Authorized Materials for Fuel Alcohol

1                 The materials listed in 27 CFR 19.1005(c), in the quantities specified there.

2                 The following additional materials, in the following quantities, corresponding to the following specifications:

 

Under 27 CFR 19.1005(b), the following materials are approved to render spirits unfit for beverage use and thus acceptable for withdrawal from alcohol fuel plants as fuel alcohol:

Material

Quantity added to 100 gallons of distilled spirits

Specifications

Natural Gasoline

2 gallons or more

1. Natural gasoline (drip gas) is a mixture of butane, pentane, and hexane hydrocarbons extracted from natural gas. 2. Distillation range:  No more than 10% of the sample may distill below 97 F.; at least 50% shall distill at or below 156 F.; and at least 90% shall distill at or below 209 F.

Ethyl Tertiary Butyl Ether (ETBE)

2 gallons or more

 

Raffinate

2 gallons or more

1. Octane (R+M/2):  66-70 2. Distillation, in Degrees F: 10%: 120-150 50%: 144-180 90%: 168-200 End Point: 216-285 3. API Gravity: 76-82 4. Reid Vapor Pressure: 5-11

Naphtha

2 gallons or more

1. API Gravity @ 60/60 Degrees F: 64-70 2. Lb/Gal: 5.845-6.025 3. Density: .7022-.7238 4. Reid Vapor Pressure: 8 P.S.I.A. Max. 5. Distillation, in Degrees F: I.B.P.: 85 Max. 10%: 130 Max. 50%: 250 Max. 90%: 340 Max. End Point: 380 6. Copper Corrosion: 1 7. Sabolt Color: 28 Min.

Toluene

5 gallons or more

See 27 CFR 21.131.

 

<SOURCE 27 CFR 19.1005B>

<SOURCE 27CFR21>