ORGANOPHOSPHORUS PESTICIDES: METHOD 5600, Issue 1, dated 15 August 1994 - Page 6 of 20
Table 1. Formula and Registry Numbers _________________________________________________________________________________________________ _______________________________________ Compound MW(1) Empirical Structural (alphabetically) (Daltons) Formula Formula CAS # (2,3,4) RTECS(2) _________________________________________________________________________________________________ _______________________________________ 1. Azinphos methyl 317.32 C10H12N3O 3PS 2 (CH 3O) 2P(=S)SCH 2(C7H4N3O)86-50-0TE1925000 2. Chlorpyrifos 350.58 C9H11Cl3NO 3PS (C2H5O) 2P(=S)O(C 5HN)Cl 32921-88-2 TF6300000 3. Diazinon 304.34 C12H21N2O 3PS (C2H5O) 2P(=S)O(C 4HN 2)(CH 3)CH(CH 3)2333-41-5 TF3325000 4. Dicrotophos 237.19 C8H16NO 5P (CH 3O) 2P(=O)OC(CH 3)=CHC(=O)N(CH 3)2141-66-2 TC3850000 5. Disulfoton 274.39 C8H19O 2PS 3 (C2H5O) 2P(=S)S(CH 2)2SC 2H5298-04-4TD9275000 6. Ethion 384.46 C9H22O 4P2S4 [(C 2H5O) 2P(=S)S] 2CH 2563-12-2TE4550000 7. Ethoprop 242.33 C8H19O 2PS 2 (C3H7S) 2P(=O)OC 2H513194-48-4 TE4025000 8. Fenamiphos 303.36 C13H22NO 3PS (CH 3)2CHNHP(=O)(O[C 2H5])O(C 6H3)(CH 3)SCH 3 22224-92-6 TB3675000 9. Fonofos 246.32 C10H15OPS 2 C2H5OP(C 2H5)(=S)S(C 6H5)944-22-9 TA5950000 10. Malathion 330.35 C10H19O 6PS 2 (CH 3O) 2P(=S)SCH[C(=O)OC 2H5]CH 2C(=O)OC 2H5 121-75-5 WM8400000 11. Methamidophos 141.12 C2H8NO 2PS CH 3OP(=O)(NH 2)SCH 310265-92-6 TB4970000 12. Methyl parathion 263.20 C8H10NO 5PS (CH 3O) 2P(=S)O(C 6H4)NO 2298-00-0TG0175000 13. Mevinphos (E) 224.15 C7H13O 6P (CH 3O) 2P(=O)OC(CH 3)=CHC(=O)OCH 3298-01-1 (2) GQ5250100 Mevinphos (E & Z) 7786-34-7 (3,4)GQ5250000 14. Monocrotophos (Z) 223.17 C7H14NO 5P (CH 3O) 2P(=O)OC(CH 3)=CHC(=O)NHCH 3919-44-8 (2) TC4981100 Monocrotophos (E) 6923-22-4 (3,4)TC4375000 15. Parathion 291.26 C10H14NO 5PS (C2H5O) 2P(=S)O(C 6H4)NO 256-38-2 TF4550000 16. Phorate 260.36 C7H17O 2PS 3 (C2H5O) 2P(=S)SCH 2SC 2H5298-02-2 TD9450000 17. Ronnel 321.54 C8H8ClxO 3PS (CH 3O) 2P(=S)O(C 6H2)Cl 3299-84-3 TG0525000 18. Sulprofos 322.43 C12H19O 2PS 3 C2H5OP(S[C 3H7])(=S)O(C 6H4)SCH 335400-43-2 TE4165000 19. Terbufos 288.42 C9H21O 2PS 3 (C2H5O) 2P(=S)SCH 2SC(CH 3)313071-79-9 TD7740000 _________________________________________________________________________________________________ _______________________________________ NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
