[Code of Federal Regulations]
[Title 27, Volume 1]
[Revised as of January 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 27CFR21.97]

[Page 549]
 
            TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS
 
 CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE 
                                TREASURY
 
PART 21_FORMULAS FOR DENATURED ALCOHOL AND RUM--Table of Contents
 
                Subpart E_Specifications for Denaturants
 
Sec.  21.97  Benzene.

    (a) Distillation range. (For applicable ASTM method, see 1980 Annual 
Book of ASTM Standards, Part 29, page 573, Standard No. D 836-77; for 
incorporation by reference, see Sec.  21.6(b).) When 100 ml of benzene 
are distilled by this method, not more than 1 ml should distill below 77 
[deg]C., and not less than 95 ml below 85 [deg]C.
    (b) Odor. Characteristic odor.
    (c) Specific gravity at 15.6 [deg]/15.6 [deg]C. 0.875 to 0.886.
    (d) Water solubility. When 10 ml of benzene are shaken with an equal 
volume of water in a glass-stoppered bottle, graduated to 0.1 ml, and 
allowed to stand 5 minutes to separate, the upper layer of liquid shall 
measure not less than 9.5 ml.

[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 
66 FR 12854, Mar. 1, 2001]