[Code of Federal Regulations]
[Title 16, Volume 2]
[Revised as of January 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 16CFR1500.129]

[Page 491-492]
 
                     TITLE 16--COMMERCIAL PRACTICES
 
             CHAPTER II--CONSUMER PRODUCT SAFETY COMMISSION
 
PART 1500_HAZARDOUS SUBSTANCES AND ARTICLES; ADMINISTRATION AND ENFORCEMENT REGULATIONS--Table of Contents
 
Sec. 1500.129  Substances named in the Federal Caustic Poison Act.

    The Commission finds that for those substances covered by the 
Federal Caustic Poison Act (44 Stat. 1406), the requirements of section 
2(p)(1) of the Federal Hazardous Substances Act (repeated in Sec. 
1500.3(b)(14)(i)) are not adequate for the protection of the public 
health. Labeling for those substances, in the concentrations listed in 
the Federal Caustic Poison Act, were required to bear the signal word 
``poison.'' The Commission concludes that the lack of the designation 
``poison'' would indicate to the consumer a lesser hazard and that such 
would not be in the interest of the public health. Under the authority 
granted in section 3(b) of the act, the Commission therefore finds that 
for the following substances, and at the following concentrations, the 
word ``poison'' is necessary instead of any signal word:
    (a) Hydrochloric acid and any preparation containing free or 
chemically unneutralized hydrochloric acid (HCl) in a concentration of 
10 percent or more.
    (b) Sulfuric acid and any preparation containing free or chemically 
unneutralized sulfuric acid (H2 SO4) in a 
concentration of 10 percent or more.
    (c) Nitric acid or any preparation containing free or chemically 
unneutralized nitric acid (HNO3) in a concentration of 5 
percent or more.
    (d) Carbolic acid (C6 H5 OH), also known as 
phenol, and any preparation containing carbolic acid in a concentration 
of 5 percent or more.
    (e) Oxalic acid and any preparation containing free or chemically 
unneutralized oxalic acid (H2 C2 O4) in 
a concentration of 10 percent or more.
    (f) Any salt of oxalic acid and any preparation containing any such 
salt in a concentration of 10 percent or more.
    (g) Acetic acid or any preparation containing free or chemically 
unneutralized acetic acid (HC2 H2 O2) 
in a concentration of 20 percent or more.
    (h) Hypochlorous acid, either free or combined, and any preparation 
containing the same in a concentration that will yield 10 percent or 
more by weight of available chlorine.

[[Page 492]]

    (i) Potassium hydroxide and any preparation containing free or 
chemically unneutralized potassium hydroxide (KOH), including caustic 
potash and vienna paste (vienna caustic), in a concentration of 10 
percent or more.
    (j) Sodium hydroxide and any preparation containing free or 
chemically unneutralized sodium hydroxide (NaOH), including caustic soda 
and lye in a concentration of 10 percent or more.
    (k) Silver nitrate, sometimes known as lunar caustic, and any 
preparation containing silver nitrate (AgNO3) in a 
concentration of 5 percent or more.
    (l) Ammonia water and any preparation containing free or chemically 
uncombined ammonia (NH3), including ammonium hydroxide and 
``hartshorn,'' in a concentration of 5 percent or more.