1. 2. OS SK EE 2 5 3. 15 4. OS SK EE 5 5 14 5. gt gt 3 CASN0 15 20 13463 67 7 1 2 5 107 21 1 4 6. 2B 3 5 LD 4000mg kg 3 2B 1B 1 1 12 4 13 7. 7 8 ACGIH TLV TWA 10mg m 100mg m 8. 9 p H 9 10 0 KK 3 1 1 1 2g cm x n OS SK EE 4 5 10 CO 11 9. 15 lt gt 57 2 16 NITE GHS MSDS MSDS ICSC 10. 5 OS SK EE 3 5 6 11. OS SK EE 1 5 _ 2007 5 9 2011 7 14 1 OS SK EE 1339 0594 72 6488 F A X 0594 72 6253 M3308 2 GHS 2 1B 1 1 GHS