Federal regulations · Through 2026-08-25 · Newer source version available

27 CFR 21.106: Diethyl phthalate.

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Where this section sits in the code

Title 27—Alcohol, Tobacco Products and Firearms
CHAPTER I—ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY
SUBCHAPTER A—ALCOHOL
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart E—Specifications for Denaturants

(a) Refractive index at 25 °C. 1.497 to 1.502.

(b) Color. Colorless.

(d) Solubility. Soluble in 20 parts of 60 percent alcohol.

(e) Specific gravity at 25 °/25 °C. 1.115 to 1.118.

(f) Ester content (as diethyl phthalate). Not less than 99 percent by weight.

Note.

The sample taken for ester determination should be approximately 0.8 gram. The number of mL of 0.5 N potassium hydroxide used in saponification multiplied by 0.05555 indicates the number of grams of ester in the sample taken for assay.

Collected 2026-08-27T02:25:11Z. Source file · JSON

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