Document 8522NRD9Rx8modkE22joBzkko

Internal Correspondence dc: V. Pothapragada - 236-3A R.A. Prokop - 236-2B To: W.C. MCCORMICK - TOXICOLOGY - 220-2E From: D.R. RICKER - CCD - 53-4N Subject: N-EtFOSE ALCOHOL, FM-3422/FM-3924 Date: DECEMBER 10, 1980 Following Is a comparison of the subject alcohols that are being used In the teratology studies conducted at Riker Laboratories. I. FM-3422; Narrow range N-EtFOSE Alcohol via the now obsolete ethylene chlorohydrin route. 96% min. CgF17S02N(CH2CH3)CH2CH20H 3% mainly C6F13S02N(CH2CH3)CH2CH20H 1% N-Ethyl Amide, CgF17S02N(CH2CH3)H II. FM-3924; Wide range N-EtFOSE Alcohol via the ethylene carbonate route. 88% CgF17S02N(CH2CH3)CH2CH20H 10% C2 , C4 , C6-F2n+1S02N(CH2CH3)CH2CH20H 1% N-Ethyl Amide 1% High Boiler The above values are approximate values and exact values for specific lots will vary slightly. vf- DRR:ko m 004259