Coal Tar
»Coal Tar is the tar obtained as a by-product during the destructive distillation of bituminous coal at temperatures in the range of 900to 1100.It may be processed further either by extraction with alcohol and suitable dispersing agents and maceration times or by fractional distillation with or without the use of suitable organic solvents.
Packaging and storage— Preserve in tight containers.
Residue on ignition á281ñ: not more than 2.0%,from 100mg.
Auxiliary Information— Staff Liaison:Lawrence Evans,III,Ph.D.,Scientist
Expert Committee:(PA6)Pharmaceutical Analysis 6
USP28–NF23Page 528
Phone Number:1-301-816-8389