00134103 3-4891-16 UNCLASSIFIED 2433098 06-30-1949

NAVY/BUREAU OF AERONAUTICS

180.4-21 V.1 VOL 1 OF 2 3690 B1953A 214 220 C8 2448157 09-22-1990 THIS REPORT LISTED AS FIRST DETAILED REPORT, PUBLISHED BY MINE SAFETY APPLIANCES COMPANY IN CALLERY, PA. EXPERIMENT IS IN PROGRESS INVESTIGATION PRODUCTION OF PENTABORANE FROM DIBORANE BY PYROLYSIS AND DETERMINING PRACTICAL METHODS FOR PILOT PLANT SCALE PRODUCTION OF PENTABORANE. NONE PREPARATION OF PENTABORANE AND EVALUATION OF HAZARDS OF HANDLING DIBORANE AND PERTOBORANE