348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 2 05 (Difluor dibromomethane) / (Difluor dibromomethane) 1202(DIBROMODIFLUOROMETHANE FREON12-B2 HALON 1202 DFBM) CAS No. 00075-61-6 100 9 1. 2. 1. 2. 5 3. 1. 5 2. C 1. 2. 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 3 05 1. 2. 3. 1. 2. 3. 1. (1) (2) (3) (4) (5) 2. (1) (2) 1. 2. ( ) 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. ( ) 14. 15. 16. 17. 1. 2. 6 3. 4. 5. / 6. 7. 8. ( 40 -29 ) 1. 2. BEI TWA STEL CEILING 100 ppm 125 ppm - - 1000 ppm 2000 ppm 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 4 05 - 1. 2. - 1. 2. 3. 4. pH / / 24.5 / / 620 mmHg @20 7.2( =1) 2.288 @15 ( =1) ( ) 800 ( ) 70000 ppm DFBM LD50( ) LC50( ) - - - 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 348!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 5 05 / - 1. 2. 1.DOT 49 CFR 9 2.IATA/ICAO 6.1 3.IMDG 6.1 1941 1. 84 2. 3. - 1.CHEMINFO CCINFO 2000-3 2.RTECS TOMES PLUS Vol.45 2000 / 89.11.30 鈥? 鈥? 鈥?/鈥?