Hong Kong Ordinances Hong Kong OrdinancesCHEMICALS LISTED FOR THE PURPOSES OF THE DEFINITION OF "SCHEDULE 1 CHEMICAL"
| A. | Toxic chemicals: |  |
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| (1) | O-Alkyl (<C10, incl. cycloalkyl) alkyl (Me, Et, n-Pr or i-Pr)-phosphonofluoridates | |
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| e.g. Sarin: O-Isopropyl methylphosphonofluoridate | (107-44-8) |
| Soman: O-Pinacolyl methylphosphonofluoridate | (96-64-0) |
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| (2) | O-Alkyl (<C10, incl. cycloalkyl) N,N-dialkyl (Me, Et, n-Pr or i-Pr) phosphoramidocyanidates | |
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| e.g. Tabun: O-Ethyl N,N-dimethyl phosphoramidocyanidate | (77-81-6) |
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| (3) | O-Alkyl (H or <C10, incl. cycloalkyl) S-2-dialkyl (Me, Et, n-Pr or i-Pr)-aminoethyl alkyl (Me, Et, n-Pr or i-Pr) phosphonothiolates and corresponding alkylated or protonated salts | |
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| e.g. VX: O-Ethyl S-2-diisopropylaminoethyl methyl phosphonothiolate | (50782-69-9) |
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| (4) | Sulfur mustards: | |
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| 2-Chloroethylchloromethylsulfide | (2625-76-5) |
| Mustard gas: Bis (2-chloroethyl) sulfide | (505-60-2) |
| Bis (2-chloroethylthio) methane | (63869-13-6) |
| Sesquimustard: 1,2-Bis (2-chloroethylthio) ethane | (3563-36-8) |
| 1,3-Bis (2-chloroethylthio) -n-propane | (63905-10-2) |
| 1,4-Bis (2-chloroethylthio) -n-butane | (142868-93-7) |
| 1,5-Bis (2-chloroethylthio) -n-pentane | (142868-94-8) |
| Bis (2-chloroethylthiomethyl) ether | (63918-90-1) |
| O-Mustard: Bis (2-chloroethylthioethyl) ether | (63918-89-8) |
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| (5) | Lewisites: | |
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| Lewisite 1: 2-Chlorovinyldichloroarsine | (541-25-3) |
| Lewisite 2: Bis (2-chlorovinyl) chloroarsine | (40334-69-8) |
| Lewisite 3: Tris (2-chlorovinyl) arsine | (40334-70-1) |
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| (6) | Nitrogen mustards: | |
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| HN1: Bis (2-chloroethyl) ethylamine | (538-07-8) |
| HN2: Bis (2-chloroethyl) methylamine | (51-75-2) |
| HN3: Tris (2-chloroethyl) amine | (555-77-1) |
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| (7) | Saxitoxin | (35523-89-8) |
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| (8) | Ricin | (9009-86-3) |
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| B. | Precursors: | |
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| (9) | Alkyl (Me, Et, n-Pr or i-Pr) phosphonyldifluorides | |
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| e.g. DF: Methylphosphonyldifluoride | (676-99-3) |
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| (10) | O-Alkyl (H or <C10, incl. cycloalkyl) O-2-dialkyl (Me, Et, n-Pr or i-Pr)-aminoethyl alkyl (Me, Et, n-Pr or i-Pr) phosphonites and corresponding alkylated or protonated salts | |
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| e.g. QL: O-Ethyl O-2-diisopropylaminoethyl methylphosphonite | (57856-11-8) |
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| (11) | Chlorosarin: O-Isopropyl methylphosphonochloridate | (1445-76-7) |
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| (12) | Chlorosoman: O-Pinacolyl methylphosphonochloridate | (7040-57-5) |