Code of Federal Regulations · Section
§ 21.108 — Ethyl Ether
27 C.F.R. § 21.108
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(a) Odor. Characteristic odor.
(b) Specific gravity at 15.56 °/15.56 °C. Not more than 0.728.
Authorizing Statute
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Denaturing materials26 U.S.C. § 5242