StacksVerified U.S. regulatory reference

27 CFR §21.122

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Color. White or yellow.
  2. (b)Specific gravity at 20 °C. 1.95 to 2.10.
  3. (c)Melting point. 360 °C.
  4. (d)Boiling point. 1320 °C.
  5. (e)pH (0.1M solution). 13.5.