Carbol-Fuchsin Topical Solution
» Prepare Carbol-Fuchsin Topical Solution as follows:
Basic Fuchsin 3 g
Phenol 45 g
Resorcinol 100 g
Acetone 50 mL
Alcohol 100 mL
Purified Water, a sufficient  
quantity, to make 1000 mL
Dissolve the Basic Fuchsin in a mixture of the Acetone and Alcohol, and add to this solution the Phenol and Resorcinol previously dissolved in 725 mL of Purified Water. Then add sufficient Purified Water to make the product measure 1000 mL, and mix.
Packaging and storage— Preserve in tight, light-resistant containers.
Specific gravity 841: not less than 0.990 and not more than 1.050.
Alcohol content 611: between 7.0% and 10.0% of C2H5OH.
Auxiliary Information— Please check for your question in the FAQs before contacting USP.
Topic/Question Contact Expert Committee
Monograph Domenick Vicchio, Ph.D.
Senior Scientific Liaison
(SM42010) Monographs - Small Molecules 4
USP35–NF30 Page 2490