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 methylphosphonochloridate (1445-76-7)

(12)

Chlorosoman: O-Pinacolyl methylphosphonochloridate (7040-57-5)