Appendix 4: Section 200 - List of Regulated Substances (Alphabetical Order)
| # | Substance (English) | CAS number | UN number | Concentration | Threshold quantity (tonnes) |
|---|---|---|---|---|---|
| 1 | acetaldehyde | 75-07-0 | 1089 | 1% | 4.50 |
| 2 | acetylene | 74-86-2 | 1001 | 1% | 4.50 |
| 3 | ammonium perchlorate | 7790-98-9 | 1442 | 1% | 3.40 |
| 4 | benzene | 71-43-2 | 1114 | 1% | 10.00 |
| 5 | bromotrifluoroethylene | 598-73-2 | 2419 | 1% | 4.50 |
| 6 | 1,3-butadiene | 106-99-0 | 1010 | 1% | 4.50 |
| 7 | butane | 106-97-8 | 1011 | 1% | 4.50 |
| 8 | 1-buten-3-yne (vinyl acetylene) | 689-97-4 | no number | 1% | 4.50 |
| 9 | cis-2-butene (2-butene-cis) | 590-18-1 | 1055 | 1% | 4.50 |
| 10 | trans-2-butene (2-butene-trans) | 624-64-6 | 1055 | 1% | 4.50 |
| 11 | 1-butene | 106-98-9 | 1012 | 1% | 4.50 |
| 12 | 2-butene | 107-01-7 | 1055 | 1% | 4.50 |
| 13 | tert-butylamine (2-amino-2-methylpropane) | 75-64-9 | 1125 | 1% | 150.00 |
| 14 | butylene (butene) | 25167-67-3 | 1012 | 1% | 4.50 |
| 15 | carbonyl sulphide (carbon oxysulfide) | 463-58-1 | 2204 | 1% | 4.50 |
| 16 | chlorine monoxide (dichlorine oxide) | 7791-21-1 | no number | 1% | 4.50 |
| 17 | 2-chloropropane (isopropyl chloride) | 75-29-6 | 2356 | 1% | 4.50 |
| 18 | 1-chloropropene (1-chloropropylene) | 590-21-6 | no number | 1% | 4.50 |
| 19 | 2-chloropropene (2-chloropropylene) | 557-98-2 | 2456 | 1% | 4.50 |
| 20 | cyanogen | 460-19-5 | 1026 | 1% | 4.50 |
| 21 | cyclohexane | 110-82-7 | 1145 | 1% | 550.00 |
| 22 | cyclopropane | 75-19-4 | 1027 | 1% | 4.50 |
| 23 | dichlorosilane | 4109-96-0 | 2189 | 1% | 4.50 |
| 24 | difluoroethane (1,1-difluoroethane) | 75-37-6 | 1030 | 1% | 4.50 |
| 25 | 1,1-difluoroethylene (vinylidene fluoride) | 75-38-7 | 1959 | 1% | 4.50 |
| 26 | dimethyl ether (methyl ether) | 115-10-6 | 1033 | 1% | 4.50 |
| 27 | dimethyl sulphide | 75-18-3 | 1164 | 1% | 150.00 |
| 28 | dimethylamine | 124-40-3 | 1032 & 1160 | 1% | 4.50 |
| 29 | 2,2-dimethylpropane | 463-82-1 | 2044 | 1% | 4.50 |
| 30 | ethane | 74-84-0 | 1035 & 1961 | 1% | 4.50 |
| 31 | ethyl chloride | 75-00-3 | 1037 | 1% | 4.50 |
| 32 | ethyl ether (diethyl ether) | 60-29-7 | 1155 | 1% | 4.50 |
| 33 | ethyl mercaptan | 75-08-1 | 2363 | 1% | 4.50 |
| 34 | ethyl nitrite | 109-95-5 | 1194 | 1% | 4.50 |
| 35 | ethylacetylene | 107-00-6 | 2452 | 1% | 4.50 |
| 36 | ethylamine | 75-04-7 | 1036 & 2270 | 1% | 4.50 |
| 37 | ethylbenzene | 100-41-4 | 1175 | 1% | 7000.00 |
| 38 | ethylene | 74-85-1 | 1038 & 1962 | 1% | 4.50 |
| 39 | gasoline (motor fuel) | 86290-81-5 | 1203 | 1% | 150.00 |
| 40 | hydrogen | 1333-74-0 | 1049 | 1% | 4.50 |
| 41 | hydrogen peroxide | 7722-84-1 | 2015 | 52% | 3.40 |
| 42 | isobutane | 75-28-5 | 1969 | 1% | 4.50 |
| 43 | isobutylene (2-methylpropene) | 115-11-7 | 1055 | 1% | 4.50 |
| 44 | isopentane (2-methylbutane) | 78-78-4 | 1265 | 1% | 4.50 |
| 45 | isoprene | 78-79-5 | 1218 | 1% | 4.50 |
| 46 | isopropylamine | 75-31-0 | 1221 | 1% | 4.50 |
| 47 | liquefied natural gas | 8006-14-2 | 1972 | 1% | 4.50 |
| 48 | methane | 74-82-8 | 1971 & 1972 | 1% | 4.50 |
| 49 | methyl formate | 107-31-3 | 1243 | 1% | 4.50 |
| 50 | 2-methyl-1-butene | 563-46-2 | 2459 | 1% | 4.50 |
| 51 | 3-methyl-1-butene | 563-45-1 | 2561 | 1% | 4.50 |
| 52 | methylacetylene (propyne) | 74-99-7 | 1060 | 1% | 4.50 |
| 53 | methylamine | 74-89-5 | 1061 | 1% | 4.50 |
| 54 | naphtha | 8030-30-6 | 1268 | 1% | 50.00 |
| 55 | 1,3-pentadiene | 504-60-9 | no number | 1% | 4.50 |
| 56 | n-pentane (pentane) | 109-66-0 | 1265 | 1% | 4.50 |
| 57 | cis-2-pentene (beta-cis-amylene) | 627-20-3 | no number | 1% | 4.50 |
| 58 | trans-2-pentene (trans-beta-amylene) | 646-04-8 | no number | 1% | 4.50 |
| 59 | 1-pentene | 109-67-1 | 1108 | 1% | 4.50 |
| 60 | propadiene | 463-49-0 | 2200 | 1% | 4.50 |
| 61 | propane | 74-98-6 | 1978 | 1% | 4.50 |
| 62 | propylene | 115-07-1 | 1077 | 1% | 4.50 |
| 63 | silane | 7803-62-5 | 2203 | 1% | 4.50 |
| 64 | sodium chlorate | 7775-09-9 | 1495 | 10% | 10.00 |
| 65 | tetrafluoroethylene | 116-14-3 | 1081 | 1% | 4.50 |
| 66 | tetramethylsilane | 75-76-3 | 2749 | 1% | 4.50 |
| 67 | toluene | 108-88-3 | 1294 | 1% | 2500.00 |
| 68 | trichlorosilane | 10025-78-2 | 1295 | 1% | 4.50 |
| 69 | trifluorochloroethylene (chlorotrifluoroethylene) | 79-38-9 | 1082 | 1% | 4.50 |
| 70 | trimethylamine | 75-50-3 | 1083 & 1297 | 1% | 4.50 |
| 71 | vinyl chloride | 75-01-4 | 1086 | 1% | 4.50 |
| 72 | vinyl ethyl ether (ethyl vinyl ether) | 109-92-2 | 1302 | 1% | 4.50 |
| 73 | vinyl fluoride | 75-02-5 | 1860 | 1% | 4.50 |
| 74 | vinyl methyl ether | 107-25-5 | 1087 | 1% | 4.50 |
| 75 | vinylidene chloride | 75-35-4 | 1303 | 1% | 4.50 |
| 76 | xylenes | 1330-20-7 | 1307 | 1% | 8000.00 |
| # | Substance (English) | CAS number | UN number | Concentration | Threshold quantity (tonnes) |
|---|---|---|---|---|---|
| 1 | acrolein | 107-02-8 | 1092 | 10% | 2.27 |
| 2 | acrylonitrile | 107-13-1 | 1093 | 10% | 9.10 |
| 3 | acryloyl chloride (acrylyl chloride) | 814-68-6 | no number | 10% | 2.27 |
| 4 | allyl alcohol | 107-18-6 | 1098 | 10% | 6.80 |
| 5 | allyl chloride | 107-05-1 | 1100 | 10% | 9.10 |
| 6 | allylamine | 107-11-9 | 2334 | 10% | 4.50 |
| 7 | ammonia, anhydrous | 7664-41-7 | 1005 | 10% | 4.50 |
| 8 | ammonia solution | 7664-41-7 | 2073 & 2672 | 20% | 9.10 |
| 9 | arsenic trichloride (arsenous trichloride) | 7784-34-1 | 1560 | 10% | 6.80 |
| 10 | arsine | 7784-42-1 | 2188 | 1% | 0.45 |
| 11 | bis(chloromethyl) ether [dichlorodimethyl ether] | 542-88-1 | 2249 | 1% | 0.45 |
| 12 | boron trichloride | 10294-34-5 | 1741 | 10% | 2.27 |
| 13 | boron trifluoride | 7637-07-2 | 1008 | 10% | 2.27 |
| 14 | boron trifluoride dimethyl etherate | 353-42-4 | 2965 | 10% | 6.80 |
| 15 | bromine | 7726-95-6 | 1744 | 10% | 4.50 |
| 16 | carbon disulphide | 75-15-0 | 1131 | 10% | 9.10 |
| 17 | carbon monoxide | 630-08-0 | 1016 | 10% | 6.80 |
| 18 | chlorine | 7782-50-5 | 1017 | 10% | 1.13 |
| 19 | chlorine dioxide | 10049-04-4 | no number | 1% | 0.45 |
| 20 | chloroform (trichloromethane) | 67-66-3 | 1888 | 10% | 9.10 |
| 21 | chloromethyl methyl ether (methyl chloromethyl ether) | 107-30-2 | 1239 | 10% | 2.27 |
| 22 | chloropicrin (trichloronitromethane) | 76-06-2 | 1580 | 10% | 2.27 |
| 23 | chlorosulphonic acid | 7790-94-5 | 1754 | 10% | 2.27 |
| 24 | crotonaldehyde | 4170-30-3 | 1143 | 10% | 9.10 |
| 25 | cyanogen bromide | 506-68-3 | 1889 | 10% | 4.50 |
| 26 | cyanogen chloride | 506-77-4 | 1589 | 10% | 4.50 |
| 27 | cyclohexylamine | 108-91-8 | 2357 | 10% | 6.80 |
| 28 | diborane | 19287-45-7 | 1911 | 10% | 1.13 |
| 29 | 1,2-dichloroethane (ethylene dichloride) | 107-06-2 | 1184 | 10% | 6.80 |
| 30 | dimethyldichlorosilane (dichlorodimethylsilane) | 75-78-5 | 1162 | 10% | 2.27 |
| 31 | 1,1-dimethylhydrazine | 57-14-7 | 1163 | 10% | 6.80 |
| 32 | epichlorohydrin | 106-89-8 | 2023 | 10% | 9.10 |
| 33 | ethylene chlorohydrin (2-chloroethanol) | 107-07-3 | 1135 | 10% | 4.50 |
| 34 | ethylene oxide | 75-21-8 | 1040 | 10% | 4.50 |
| 35 | ethylenediamine | 107-15-3 | 1604 | 10% | 9.10 |
| 36 | ethyleneimine | 151-56-4 | 1185 | 10% | 4.50 |
| 37 | fluorine | 7782-41-4 | 1045 | 1% | 0.45 |
| 38 | formaldehyde, solution | 50-00-0 | 1198 & 2209 | 10% | 6.80 |
| 39 | furan | 110-00-9 | 2389 | 10% | 2.27 |
| 40 | hydrazine | 302-01-2 | 2029 | 10% | 6.80 |
| 41 | hydrochloric acid | 7647-01-0 | 1789 | 30% | 6.80 |
| 42 | hydrofluoric acid | 7664-39-3 | 1790 | 50% | 0.45 |
| 43 | hydrogen bromide (hydrobromic acid) | 10035-10-6 | 1048 & 1788 | 10% | 1.13 |
| 44 | hydrogen chloride, anhydrous | 7647-01-0 | 2186 & 1050 | 10% | 2.27 |
| 45 | hydrogen cyanide (hydrocyanic acid) | 74-90-8 | 1051 & 1613 & 1614 | 10% | 1.13 |
| 46 | hydrogen fluoride, anhydrous | 7664-39-3 | 1052 | 1% | 0.45 |
| 47 | hydrogen selenide | 7783-07-5 | 2202 | 1% | 0.22 |
| 48 | hydrogen sulphide | 7783-06-4 | 1053 | 10% | 4.50 |
| 49 | iron pentacarbonyl | 13463-40-6 | 1994 | 10% | 1.13 |
| 50 | isobutyronitrile | 78-82-0 | 2284 | 10% | 9.10 |
| 51 | isopropyl chloroformate | 108-23-6 | 2407 | 10% | 6.80 |
| 52 | ketene | 463-51-4 | no number | 1% | 0.22 |
| 53 | mercury | 7439-97-6 | 2809 | NA | 1.00 |
| 54 | methyl bromide | 74-83-9 | 1062 | 10% | 2.27 |
| 55 | methyl chloride | 74-87-3 | 1063 | 10% | 4.50 |
| 56 | methyl chloroformate | 79-22-1 | 1238 | 10% | 2.27 |
| 57 | methyl iodide | 74-88-4 | 2644 | 10% | 4.50 |
| 58 | methyl isocyanate | 624-83-9 | 2480 | 10% | 4.50 |
| 59 | methyl mercaptan | 74-93-1 | 1064 | 10% | 4.50 |
| 60 | methyl thiocyanate | 556-64-9 | no number | 10% | 9.10 |
| 61 | methylacrylonitrile | 126-98-7 | 3079 | 10% | 4.50 |
| 62 | methylhydrazine (monomethyl hydrazine) | 60-34-4 | 1244 | 10% | 6.80 |
| 63 | methyltrichlorosilane | 75-79-6 | 1250 | 10% | 2.27 |
| 64 | nickel carbonyl | 13463-39-3 | 1259 | 1% | 0.45 |
| 65 | nitric acid | 7697-37-2 | 2031 & 2032 | 80% | 6.80 |
| 66 | nitric oxide | 10102-43-9 | 1660 | 10% | 4.50 |
| 67 | nitrogen dioxide | 10102-44-0 | 1067 | 10% | 1.13 |
| 68 | osmium tetroxide | 20816-12-0 | 2471 | 1% | 0.22 |
| 69 | perchloromethyl mercaptan | 594-42-3 | 1670 | 10% | 4.50 |
| 70 | perchloryl fluoride (trioxychlorofluoride) | 7616-94-6 | 3083 | 10% | 6.80 |
| 71 | peroxyacetic acid (peracetic acid) | 79-21-0 | 3107 | 10% | 4.50 |
| 72 | phenol | 108-95-2 | 1671 & 2312 & 2821 | 10% | 9.10 |
| 73 | phosgene | 75-44-5 | 1076 | 1% | 0.22 |
| 74 | phosphine | 7803-51-2 | 2199 | 10% | 2.27 |
| 75 | phosphorus oxychloride | 10025-87-3 | 1810 | 10% | 2.27 |
| 76 | phosphorus trichloride | 7719-12-2 | 1809 | 10% | 6.80 |
| 77 | phosphorus, white | 7723-14-0 | 2447 | NA | 1.00 |
| 78 | piperidine | 110-89-4 | 2401 | 10% | 6.80 |
| 79 | propionitrile | 107-12-0 | 2404 | 10% | 4.50 |
| 80 | n-propyl chloroformate (propyl chloroformate) | 109-61-5 | 2740 | 10% | 6.80 |
| 81 | propylene oxide | 75-56-9 | 1280 | 10% | 4.50 |
| 82 | propyleneimine | 75-55-8 | 1921 | 10% | 4.50 |
| 83 | stibine | 7803-52-3 | 2676 | 10% | 2.27 |
| 84 | sulphur dioxide | 7446-09-5 | 1079 | 10% | 2.27 |
| 85 | sulphur tetrafluoride | 7783-60-0 | 2418 | 10% | 1.13 |
| 86 | sulphur trioxide | 7446-11-9 | 1829 | 10% | 4.50 |
| 87 | sulphuric acid, fuming (oleum) | 8014-95-7 | 1831 | NA | 4.50 |
| 88 | tetraethyl lead | 78-00-2 | 1649 | 10% | 2.27 |
| 89 | tetramethyl lead | 75-74-1 | no number | 10% | 4.50 |
| 90 | tetranitromethane | 509-14-8 | 1510 | 10% | 4.50 |
| 91 | thionyl chloride | 7719-09-7 | 1836 | 10% | 6.80 |
| 92 | titanium tetrachloride | 7550-45-0 | 1838 | 10% | 1.13 |
| 93 | toluene diisocyanate | 26471-62-5 | 2078 | 10% | 4.50 |
| 94 | toluene-2,4-diisocyanate | 584-84-9 | 2078 | 10% | 4.50 |
| 95 | toluene-2,6-diisocyanate | 91-08-7 | 2078 | 10% | 4.50 |
| 96 | trans-crotonaldehyde | 123-73-9 | 1143 | 10% | 9.10 |
| 97 | trimethylchlorosilane (chlorotrimethylsilane) | 75-77-4 | 1298 | 10% | 4.50 |
| 98 | vinyl acetate | 108-05-4 | 1301 | 10% | 6.80 |
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