THE SCHEDULE
Regulations 3 and 17
Hazardous Substances
Substance
Quantity (kgs)
1,2-Dibromoethane (EDB)
0
2,2-Diphenyl-2-hydroxyacetic acid
50
Acetic acid
1,000
Acetic Anhydride
500
Acetochlor
0
Acetyl bromide
0
Alachlor
0
Alkyl (Me, Et, n-Pr or i-Pr) phosphonyldifluorides
0
Allyl isothiocyanate
0
Amiton: O,O-Diethyl S-[2-(diethylamino)ethyl] phosphorothiolate and corresponding alkylated or protonated salts
0
Amitraz
0
Amitrole
0
Ammonia (35% or greater)
500
Ammonia (less than 35%)
1,000
Antimony pentachloride
50
Antimony trihydride
0
Arsine
0
Arsenical substances
50
Atrazine
0
Benzidine; its salts
0
Bis(chloromethyl)ether
0
Boric acid; Sodium borate
5,000
Boron tribromide
0
Boron trichloride
50
Boron trifluoride
50
Bromine; Bromine solutions
50
BZ: 3-Quinuclidinyl benzilate
0
Captafol
0
Carbamates, excepting —
0
 
Bendiocarb
 
 
BPMC (Fenobucarb)
 
 
Mercaptodimethur (methiocarb)
 
Carbamates (quaternaries and bisquaternaries of dimethylcarbamoyloxypyridines)
0
Carbon monoxide
1,000
Carbon tetrafluoride
500
Chemicals, except for those listed in Schedule 1 of the Annex on Chemicals of the Chemical Weapons Convention, containing a phosphorus atom to which is bonded one methyl, ethyl or propyl (normal or iso) group but not further carbon atoms
50
Chlorinated hydrocarbons
0
Chlorine
500
Chlorine trifluoride
50
Chlorobenzenes
0
Chlorophenols
0
Chlorophenoxyacids; their salts, esters, amines
0
Chloropicrin
50
Chlorosarin: O-Isopropyl methylphosphonochloridate
0
Chlorosilanes
50
Chlorosoman: O-Pinacolyl methylphosphonochloridate
0
Chlorosulphonic acid
50
Chromic acid
50
Cyanides, excepting cyanogen chloride
50
Cyanogen chloride
50
Dechlorane plus
0
Dialkyl (Me, Et, n-Pr or i-Pr) N,N-dialkyl (Me, Et, n-Pr or i-Pr)-phosphoramidates
50
Diborane
50
Dibromochloropropane
50
Diethyl phosphite
50
Diethyl sulphate
500
Dinoterb
0
Epichlorohydrin
50
Ethyl mercaptan
50
Ethylene dichloride
0
Ethylene imine
0
Ethylene oxide
50
Ferric chloride
1,000
Fipronil
5,000
Fluorine
0
Fluoroacetamide
0
Formic acid
1,000
Germane
0
Hexabromocyclododecane (HBCD)
0
Hexazinone
0
Hydrazine anhydrous; Hydrazine aqueous solutions
50
Hydrochloric acid
1,000
Hydrofluoric acid
500
Hydrogen chloride
500
Hydrogen cyanide; Hydrocyanic acid
0
Hydrogen selenide
0
Iprodione
0
Isocyanates
500
Lead tetra-ethyl and similar lead containing compounds in petrol intended for use in Singapore as a fuel for motor vehicles
0
Lewisites
0
Mercury
0
Mercury compounds including inorganic mercury compounds, alkyl mercury compounds, alkyloxyalkyl and aryl mercury compounds, and other organic compounds of mercury
0
Metanil yellow (sodium salt of metanilylazo-diphenylamine)
5,000
Methyl-(bis(diethylamino)methylene)phosphonamidofluoridate
0
Methyl bromide
50
Methyl chloride
50
Methyl mercaptan
50
[Deleted by S 82/2023 wef 21/08/2023]
 
[Deleted by S 82/2023 wef 21/08/2023]
 
Monomethyl-dibromodiphenyl methane
0
Monomethyl-dichloro-diphenyl methane
0
Monomethyltetrachloro diphenyl methane
0
N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethane-2-thiols and corresponding protonated salts
50
N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethyl-2-chlorides and corresponding protonated salts
50
Neonicotinoid compounds used as pesticides
5,000
Nitric acid (95% or greater)
50
Nitric acid (less than 95%)
1,000
Nitric oxide
0
Nitrogen mustards
0
Nitrogen trifluoride
50
Nonylphenol and nonylphenol ethoxylates
0
O-Alkyl (≤C10, incl. cycloalkyl) alkyl (Me, Et, n-Pr or i-Pr)-phosphonofluoridates
0
O-alkyl (H or ≤C10, incl. cycloalkyl) N-(1-(dialkyl(≤C10, incl. cycloalkyl)amino))alkylidene(H or ≤C10, incl. cycloalkyl) phosphoramidofluoridates and corresponding alkylated or protonated salts
0
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
0
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
0
Oleum
50
Orange II [sodium salt of p-(2-hydroxy-1-naphthylazo) benzenesulphonic acid]
5,000
Organic peroxides
500
Organo-tin compounds
0
Р-alkyl (H or ≤C10, incl. cycloalkyl) N-(1-(dialkyl(≤C10, incl. cycloalkyl)amino))alkylidene(H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts
0
Paraquat; its salts
0
Pentadecafluorooctanoic acid (PFOA); its salts and related compounds
0
Perchloromethyl mercaptan
50
[Deleted by S 492/2019 wef 12/02/2020]
 
Perfluorohexane sulfonic acid (PFHxS); its salts and related compounds
0
Perfluorooctane sulfonic acid (PFOS)
0
PFIB: 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-1-propene
0
Phenols
500
Phosgene
0
Phosphides
0
Phosphine
0
Phosphorus compounds, excepting —
0
 
Dimethoate
 
 
Fenchlorphos
 
 
Fenitrothion
 
 
Phenthoate
 
 
Profenophos
 
 
Prothiophos
 
 
Quinalphos
 
Phosphorus oxybromide
0
Phosphorus oxychloride
50
Phosphorus pentabromide
0
Phosphorus pentachloride
50
Phosphorus pentafluoride
50
Phosphorus trichloride
50
Polybrominated biphenyls
0
Polybrominated diphenyl ethers
0
Polychlorinated biphenyls
0
Polychlorinated naphthalenes
0
Polychlorinated terphenyls
0
Potassium hydroxide
1,000
Prochloraz
0
Pyrethroid compounds used as pesticides
5,000
Quinuclidin-3-ol
50
Ricin
0
Saxitoxin
0
Short-chain chlorinated paraffins (chain lengths at least C10 but not exceeding C13)
0
Sodium azide
0
Sodium hydroxide
1,000
Sulphur in diesel intended for use in Singapore as a fuel for motor vehicles or industrial plants
0
Sulphur tetrafluoride
0
Sulphur trioxide
50
Sulphuric acid
1,000
Sulphuryl chloride
0
Sulphuryl fluoride
0
Tetraethyl lead, tetramethyl lead and similar lead containing compounds
0
Thiodiglycol: Bis(2-hydroxyethyl)sulfide
50
Thionyl chloride
50
Titanium tetrachloride
1,000
Triethanolamine
50
Tris (2,3-dibromopropyl) phosphate
0
Tungsten hexafluoride
0
UV-328
0
[S 82/2023 wef 21/08/2023]
[S 435/2022 wef 01/03/2023]
[S 537/2020 wef 01/10/2020]
[S 492/2019 wef 12/02/2020]
[S 782/2017 wef 30/06/2018]
[S 675/2014 wef 01/11/2014]
[S 440/2011 wef 01/09/2011]
[S 59/2009 wef 01/07/2009]
[G.N. Nos. S 159/99; S128/2000; S 603/2000; S 77/2005; S 713/2006; S 295/2007; S 41/2008]
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Last updated 18 Apr 2024
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