Schedule 1

A list of Schedule 1 chemicals


The Chemical Abstracts Service (CAS) Registry Number is given for each individual chemical within square brackets: [000-00-0]. The Harmonised System classification is given for individual chemicals within brackets: (0000.00).

A. Toxic chemicals:

1. O-Alkyl (less than or equal to C10, incl. cycloalkyl) alkyl (Me, Et, n-Pr or i-Pr)-phosphonofluoridates (2931.00)
e.g. Sarin: O-Isopropyl methylphosphonofluoridate [107-44-8]
Soman: O-Pinacolyl methylphosphonofluoridate .[96-64-0]

2. O-Alkyl (less than or equal to C10, incl. cycloalkyl) N, N-dialkyl (Me, Et, n-Pr or i-Pr) phosphoramidocyanidates (2931.00)
e.g. Tabun: O-Ethyl N, N-dimethylphosphoramidocyanidate [77-81-6]

3. O-Alkyl (H or less than or equal to 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 (2930.90)
e.g. VX: O-Ethyl S-2-diisopropylaminoethylmethyl phosphonothiolate [50782-69-9]

4. Sulfur mustards (2930.90):
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]

5. Lewisites (2931.00):
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]

6. Nitrogen mustards (2921.19):
HN1: Bis(2-chloroethyl)ethylamine [538-07-8]
HN2: Bis(2-chloroethyl)methylamine .[51-75-2]
HN3: Tris(2-chloroethyl)amine [555-77-1]

7. Saxitoxin [35523-89-8] (3002.90)

8. Ricin [9009-86-3] (3002.90)

B. Precursors:

9. Alkyl (Me, Et, n-Pr or i-Pr) phosphonyldifluorides (2931.00)
e.g. DF: Methylphosphonyldifluoride [676-99-3]

10. O-Alkyl (H or less than or equal to 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 (2931.00)
e.g. QL: O-Ethyl O-2-diisopropylaminoethylmethylphosphonite [57856-11-8]

11. Chlorosarin: O-Isopropyl methylphosphonochloridate [1445-76-7] (2931.00)

12. Chlorosoman: O-Pinacolyl methylphosphonochloridate [7040-57-5] (2931.00)


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Last modified 29 April 1997 by ICA Division, OPCW