Chemical Weapons Convention Implementation Act (S.C. 1995, c. 25)
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Act current to 2024-08-18 and last amended on 2019-06-21. Previous Versions
ANNEX ON CHEMICALSSchedules of Chemicals
The following Schedules list toxic chemicals and their precursors. For the purpose of implementing this Convention, these Schedules identify chemicals for the application of verification measures according to the provisions of the Verification Annex. Pursuant to Article II, subparagraph 1 (a), these Schedules do not constitute a definition of chemical weapons.
(Whenever reference is made to groups of dialkylated chemicals, followed by a list of alkyl groups in parentheses, all chemicals possible by all possible combinations of alkyl groups listed in the parentheses are considered as listed in the respective Schedule as long as they are not explicitly exempted. A chemical marked “*” on Schedule 2, part A, is subject to special thresholds for declaration and verification, as specified in Part VII of the Verification Annex.)
SCHEDULE 1
(CAS registry number)
A Toxic chemicals:
(1) O-Alkyl (<=C10, incl. cycloalkyl) alkyl
(Me, Et, n-Pr or i-Pr)-phosphonofluoridates
e.g. Sarin: O-Isopropyl methylphosphonofluoridate(107-44-8)
Soman: O-Pinacolyl methylphosphonofluoridate(96-64-0)
(2) O-Alkyl (<=C10, incl. cycloalkyl) N,N-dialkyl
(Me, Et, n-Pr or i-Pr) phosphoramidocyanidates
e.g. Tabun: O-Ethyl N,N-dimethyl
phosphoramidocyanidate(77-81-6)
(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
e.g. VX: O-Ethyl S-2-diisopropylaminoethyl
methyl phosphonothiolate(50782-69-9)
(4) Sulfur mustards:
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:
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:
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)
(8) Ricin(9009-86-3)
B Precursors:
(9) Alkyl (Me, Et, n-Pr or i-Pr) phosphonyldifluorides
e.g. DF: Methylphosphonyldifluoride(676-99-3)
(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
e.g. QL: O-Ethyl O-2-diisopropylaminoethyl
methylphosphonite(57856-11-8)
(11) Chlorosarin: O-Isopropyl methylphosphonochlo-
ridate(1445-76-7)
(12) Chlorosoman: O-Pinacolyl methylphosphonochlo-
ridate(7040-57-5)
SCHEDULE 2
A Toxic chemicals:
(1) Amiton: O,O-Diethyl S-[2-(diethylamino)ethyl]
phosphorothiolate and corresponding alkylated
or protonated salts(78-53-5)
(2) PFIB: 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-1-
propene(382-21-8)
(3) BZ: 3-Quinuclidinyl benzilate (*)(6581-06-2)
B Precursors:
(4) Chemicals, except for those listed in Schedule 1,
containing a phosphorus atom to which is bonded
one methyl, ethyl or propyl (normal or iso) group but
not further carbon atoms,
e.g. Methylphosphonyl dichloride(676-97-1)
Dimethyl methylphosphonate(756-79-6)
Exemption: Fonofos: O-Ethyl S-phenyl
ethylphosphonothiolothionate(944-22-9)
(5) N,N-Dialkyl (Me, Et, n-Pr or i-Pr) phosphoramidic
dihalides
(6) Dialkyl (Me, Et, n-Pr or i-Pr) N,N-dialkyl
(Me, Et, n-Pr or i-Pr)-phosphoramidates
(7) Arsenic trichloride(7784-34-1)
(8) 2,2-Diphenyl-2-hydroxyacetic acid (76-93-7)
(9) Quinuclidin-3-ol(1619-34-7)
(10) N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethyl-2-chlorides
and corresponding protonated salts
(11) N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethane-2-ols
and corresponding protonated salts
Exemptions: N,N-Dimethylaminoethanol(108-01-0)
and corresponding protonated salts
N,N-Diethylaminoethanol(100-37-8)
and corresponding protonated salts
(12) N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethane-2-thiols
and corresponding protonated salts
(13) Thiodiglycol: Bis(2-hydroxyethyl)sulfide(111-48-8)
(14) Pinacolyl alcohol: 3,3-Dimethylbutan-2-ol(464-07-3)
SCHEDULE 3
A Toxic chemicals:
(1) Phosgene: Carbonyl dichloride(75-44-5)
(2) Cyanogen chloride(506-77-4)
(3) Hydrogen cyanide(74-90-8)
(4) Chloropicrin: Trichloronitromethane(76-06-2)
B Precursors:
(5) Phosphorus oxychloride(10025-87-3)
(6) Phosphorus trichloride(7719-12-2)
(7) Phosphorus pentachloride(10026-13-8)
(8) Trimethyl phosphite(121-45-9)
(9) Triethyl phosphite(122-52-1)
(10) Dimethyl phosphite(868-85-9)
(11) Diethyl phosphite(762-04-9)
(12) Sulfur monochloride(10025-67-9)
(13) Sulfur dichloride(10545-99-0)
(14) Thionyl chloride(7719-09-7)
(15) Ethyldiethanolamine(139-87-7)
(16) Methyldiethanolamine(105-59-9)
(17) Triethanolamine(102-71-6)
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