[Code of Federal Regulations]
[Title 21, Volume 1]
[Revised as of April 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR82.5]

[Page 440-441]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                                SERVICES
 
PART 82_LISTING OF CERTIFIED PROVISIONALLY LISTED COLORS AND SPECIFICATIONS--
 
                      Subpart A_General Provisions
 
Sec.  82.5  General specifications for straight colors.

    No batch of a straight color listed in subpart B, C, or D shall be 
certified under this part unless:
    (a) It is free from all impurities (other than those named in 
paragraph (b) of this section or in the specifications set forth in such 
paragraph for

[[Page 441]]

such color) to the extent that such impurities can be avoided by good 
manufacturing practice.
    (b) It conforms to the following specifications:
    (1) In the case of a straight color listed in subpart B:
    (i) Lead (as Pb), not more than 0.001 percent.
    (ii) Arsenic (as As2O3), not more than 0.00014 
percent.
    (iii) Heavy metals (except Pb and As) (by precipitation as 
sulfides), not more than trace.
    (2) In the case of a straight color listed in subpart C or D:
    (i) Lead (as Pb), not more than 0.002 percent.
    (ii) Arsenic (as As2O3), not more than 0.0002 
percent.
    (iii) Heavy metals (except Pb and As) (by precipitation as 
sulfides), not more than 0.003 percent.
    (3) In the case of a straight color which contains a barium salt 
listed in subpart C or D--soluble barium (in dilute HCl) (as 
BaCl2), not more than 0.05 percent.