Formula: C₁₂H₁₆N₄O₁₈   Formula Weight: 504.28   CAS # 9004-70-0 Highly purified from cellulose nitrate; specially prepared for embedding tissue for sectioning and for preparing semi-permeable membranes.

25% Alcohol, 75% Diethyl Ether in Pyroxylin CAS #: 9004-70-0