§21.123. Pyronate.
27 C.F.R. § 21.123
Pyronate is a product of the destructive distillation of hardwood meeting the following requirements:
Acidity (as acetic acid). Not more than 0.1 percent by weight, determined as follows:
Add 5.0 mL sample to 100 mL distilled water in an Erlenmeyer flask and titrate with 0.1 N NaOH to a bromthymol blue endpoint.
Color. The color shall be no darker than the color produced by 2.0 grams of potassium dichromate in 1 liter of water. The comparision shall be made in 4-ounce oil sample bottles viewed crosswise.
Distillation range. When 100 mL are distilled not more than 5 mL shall distill below 70 °C., not less than 50 mL below 160 °C., and not less than 90 mL below 205 °C.
Notes, amendments, and revision history
Amendments
[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]
Authority
Authority: 5 U.S.C. 552(a); 26 U.S.C. 5242, 7805.
Source
Source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted.
Amendments
[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]