| CHEMICAL NAME | 
CAS No. | 
RTECS No. | 
| ã-Hexachlorocyclohexane | 58-89-9 | GV4900000 | 
| α-Hydroxyisobutyronitrile | 75-86-5 | OD9275000 | 
| β-Hydroxyethyl isopropyl ether | 109-59-1 | KL5075000 | 
| β-Hydroxypropyl acrylate | 999-61-1 | AT1925000 | 
| 1,1,1,3,3,3-Hexafluoro-2-propanone | 684-16-2 | UC2450000 | 
| 1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-endo-1,4-exo-5,8-dimethanonaphthalene | 309-00-2 | IO2100000 | 
| 1,2,3,4,10,10-Hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-1,4-endo,endo-5,8-dimethanonaphthalene | 72-20-8 | IO1575000 | 
| 1,2,3,4,10,10-Hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-1,4-endo,exo-5,8-dimethanonaphthalene | 60-57-1 | IO1750000 | 
| 1,2,3,4,5,5-Hexachloro-1,3-cyclopentadiene | 77-47-4 | GY1225000 | 
| 1,3-Hexachlorobutadiene | 87-68-3 | EJ0700000 | 
| 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene | 76-44-8 | PC0700000 | 
| 1,6-Hexamethylene diisocyanate | 822-06-0 | MO1740000 | 
| 1-Heptanethiol * | 1639-09-4 | MJ1400000 | 
| 1-Hexadecanethiol * | 2917-26-2 |  | 
| 1-Hexanethiol | 111-31-9 | MO4550000 | 
| 1-Hydroxy-2-methylbenzene | 95-48-7 | GO6300000 | 
| 1-Hydroxy-3-methylbenzene | 108-39-4 | GO6125000 | 
| 1-Hydroxy-4-methylbenzene | 106-44-5 | GO6475000 | 
| 1-Hydroxybutane | 71-36-3 | EO1400000 | 
| 2,2-bis(Hydroxymethyl)-1,3-propanediol | 115-77-5 | RZ2490000 | 
| 2-Heptanone | 110-43-0 | MJ5075000 | 
| 2-Hexanone * | 591-78-6 | MP1400000 | 
| 2-Hydroxy-2-methyl-propionitrile | 75-86-5 | OD9275000 | 
| 2-Hydroxybutane | 78-92-2 | EO1750000 | 
| 2-Hydroxyethylamine | 141-43-5 | KJ5775000 | 
| 2-Hydroxymethyl oxiran | 556-52-5 | UB4375000 | 
| 2-Hydroxymethylfuran | 98-00-0 | LU9100000 | 
| 2-Hydroxyphenol | 120-80-9 | UX1050000 | 
| 2-Hydroxypropyl acrylate * | 999-61-1 | AT1925000 | 
| 2-Hydroxytoluene | 95-48-7 | GO6300000 | 
| 2-Hydroxytriethylamine | 100-37-8 | KK5075000 | 
| 3-Heptanone | 106-35-4 | MJ5250000 | 
| 3-Hydroxy-β-lactone | 57-57-8 | RQ7350000 | 
| 3-Hydroxy-1-propanesulphonic acid sultone | 1120-71-4 | RP5425000 | 
| 3-Hydroxy-N-methylcrotonamide dimethylphosphate | 6923-22-4 | TC4375000 | 
| 3-Hydroxyphenol | 108-46-3 | VG9625000 | 
| 3-Hydroxy-propionic acid | 57-57-8 | RQ7350000 | 
| 3-Hydroxypropylene oxide | 556-52-5 | UB4375000 | 
| 3-Hydroxytoluene | 108-39-4 | GO6125000 | 
| 4-Heptanone | 123-19-3 | MJ5600000 | 
| 4-Hydroxy-3-(3-oxo-1-phenyl butyl)-2H-1-benzopyran-2-one | 81-81-2 | GN4550000 | 
| 4-Hydroxy-4-methyl-2-pentanone | 123-42-2 | SA9100000 | 
| 4-Hydroxytoluene | 106-44-5 | GO6475000 | 
| 6,7,8,9,10-Hexachloro-1,5,5a,6,9,9a-hexachloro-6,9-methano-2,4,3-benzo-dioxathiepin-3-oxide | 115-29-7 | RB9275000 | 
| bis(2-Hydroxyethyl)amine | 111-42-2 | KL2975000 | 
| gamma isomer of 1,2,3,4,5,6-Hexachlorocyclohexane | 58-89-9 | GV4900000 | 
| Hafnium * | 7440-58-6 | MG4600000 | 
| Hafnium metal | 7440-58-6 | MG4600000 | 
| Halane | 118-52-5 | MU0700000 | 
| Halocarbon 112 | 76-12-0 | KI1420000 | 
| Halocarbon 112a | 76-11-9 | KI1425000 | 
| Halocarbon 113 | 76-13-1 | KJ4000000 | 
| Halocarbon 1132A | 75-38-7 | KW0560000 | 
| Halocarbon 115 | 76-15-3 | KH7877500 | 
| Halocarbon 13B1 | 75-63-8 | PA5425000 | 
| Halon® 1011 | 74-97-5 | PA5250000 | 
| Halon® 104 | 56-23-5 | FG4900000 | 
| Halon® 112 | 75-43-4 | PA8400000 | 
| Halon® 1202 | 75-61-6 | PA7525000 | 
| Halon® 122 | 75-71-8 | PA8200000 | 
| Halon® 1301 | 75-63-8 | PA5425000 | 
| Halon® 242 | 76-14-2 | KI1101000 | 
| Halothane * | 151-67-7 | KH6550000 | 
| Halowax® [Tetrachloronaphthalene] | 1335-88-2 | QK3700000 | 
| Halowax® [Trichloronaphthalene] | 1321-65-9 | QK4025000 | 
| Halowax® 1013 | 1321-64-8 | QK0300000 | 
| Halowax® 1014 | 1335-87-1 | QJ7350000 | 
| Halowax® 1051 | 2234-13-1 | QK0250000 | 
| Hard metal | 1: 11107-01-0 2: 12718-69-3 3: 37329-49-0 | 1: YO7350000,2: YO7525000,3: YO7700000 | 
| Hard wood dust |  | ZC9850000 | 
| HCBD | 87-68-3 | EJ0700000 | 
| HCCPD | 77-47-4 | GY1225000 | 
| HCH | 58-89-9 | GV4900000 | 
| HDI | 822-06-0 | MO1740000 | 
| Heavy mineral oil mist | 8012-95-1 | PY8030000 | 
| Hemellitol | 526-73-8 | DC3300000 | 
| Hemihydrate gypsum | 26499-65-0 | TP0700000 | 
| Hemimellitene [1,2,3-Trimethylbenzene] | 526-73-8 | DC3300000 | 
| Hemimellitene [1,2,4-Trimethylbenzene] | 95-63-6 | DC3325000 | 
| HEOD | 60-57-1 | IO1750000 | 
| Heptachlor * | 76-44-8 | PC0700000 | 
| Heptan-4-one | 123-19-3 | MJ5600000 | 
| Heptane | 142-82-5 | MI7700000 | 
| Heptyl mercaptan | 1639-09-4 | MJ1400000 | 
| Hexachloro-1,3-butadiene | 87-68-3 | EJ0700000 | 
| Hexachloro-1,3-cyclopentadiene | 77-47-4 | GY1225000 | 
| Hexachlorobutadiene * | 87-68-3 | EJ0700000 | 
| Hexachlorocyclopentadiene * | 77-47-4 | GY1225000 | 
| Hexachloroethane * | 67-72-1 | KI4025000 | 
| Hexachloronaphthalene * | 1335-87-1 | QJ7350000 | 
| Hexadecanethiol-1 | 2917-26-2 |  | 
| Hexadecyl mercaptan | 2917-26-2 |  | 
| Hexadrin® | 72-20-8 | IO1575000 | 
| Hexafluoro-2-propanone | 684-16-2 | UC2450000 | 
| Hexafluoroacetone * | 684-16-2 | UC2450000 | 
| Hexahydro-1,3,5-trinitro-s-triazine | 121-82-4 | XY9450000 | 
| Hexahydro-2H-azepin-2-one | 105-60-2 | CM3675000 | 
| Hexahydroaniline | 108-91-8 | GX0700000 | 
| Hexahydrobenzenamine | 108-91-8 | GX0700000 | 
| Hexahydrobenzene | 110-82-7 | GU6300000 | 
| Hexahydrocresol | 25639-42-3 | GW0175000 | 
| Hexahydromethylphenol | 25639-42-3 | GW0175000 | 
| Hexahydrophenol | 108-93-0 | GV7875000 | 
| Hexahydrotoluene | 108-87-2 | GV6125000 | 
| Hexalin | 108-93-0 | GV7875000 | 
| Hexamethyl phosphoramide * | 680-31-9 | TD0875000 | 
| Hexamethylene | 110-82-7 | GU6300000 | 
| Hexamethylene diisocyanate * | 822-06-0 | MO1740000 | 
| Hexamethylene-1,6-diisocyanate | 822-06-0 | MO1740000 | 
| Hexamethylphosphoric triamide | 680-31-9 | TD0875000 | 
| Hexamethylphosphorotriamide | 680-31-9 | TD0875000 | 
| Hexanaphthene | 110-82-7 | GU6300000 | 
| Hexane | 110-54-3 | MN9275000 | 
| Hexane isomers (excluding n-Hexane) * |  |  | 
| Hexanedinitrile | 111-69-3 | AV2625000 | 
| Hexone * | 108-10-1 | SA9275000 | 
| Hexyl hydride | 110-54-3 | MN9275000 | 
| Hexyl mercaptan | 111-31-9 | MO4550000 | 
| Hexylene glycol * | 107-41-5 | SA0810000 | 
| HFA | 684-16-2 | UC2450000 | 
| HF-A | 7664-39-3 | MW7875000 | 
| HHDN | 309-00-2 | IO2100000 | 
| High solvent naphtha | 8030-30-6 | DE3030000 | 
| High-strength hydrogen peroxide | 7722-84-1 | MX0900000 | 
| HMDI | 822-06-0 | MO1740000 | 
| HMDI | 5124-30-1 | NQ9250000 | 
| HMPA | 680-31-9 | TD0875000 | 
| HPA | 999-61-1 | AT1925000 | 
| Hydralin | 108-93-0 | GV7875000 | 
| Hydrated aluminum silicate | 1332-58-7 | GF1670500 | 
| Hydrated calcium sulfate | 13397-24-5 | MG2360000 | 
| Hydrated lime | 1305-62-0 | EW2800000 | 
| Hydraulic cement | 65997-15-1 | VV8770000 | 
| Hydrazine * | 302-01-2 | MU7175000 | 
| Hydrazine (anhydrous) | 302-01-2 | MU7175000 | 
| Hydrazine base | 302-01-2 | MU7175000 | 
| Hydrazinobenzene | 100-63-0 | MV8925000 | 
| Hydrite | 1332-58-7 | GF1670500 | 
| Hydroacrylic acid, β-lactone | 57-57-8 | RQ7350000 | 
| Hydrochloric acid | 7647-01-0 | MW4025000 | 
| Hydrochloric ether | 75-00-3 | KH7525000 | 
| Hydrocobalt tetracarbonyl | 16842-03-8 | GG0900000 | 
| Hydrocyanic acid | 74-90-8 | MW6825000 | 
| Hydrofluoric acid | 7664-39-3 | MW7875000 | 
| Hydrogen antimonide | 7803-52-3 | WJ0700000 | 
| Hydrogen arsenide | 7784-42-1 | CG6475000 | 
| Hydrogen bromide * | 10035-10-6 | MW3850000 | 
| Hydrogen carboxylic acid | 64-18-6 | LQ4900000 | 
| Hydrogen chloride * | 7647-01-0 | MW4025000 | 
| Hydrogen cyanamide | 420-04-2 | GS5950000 | 
| Hydrogen cyanide * | 74-90-8 | MW6825000 | 
| Hydrogen dioxide | 7722-84-1 | MX0900000 | 
| Hydrogen fluoride * | 7664-39-3 | MW7875000 | 
| Hydrogen nitrate | 7697-37-2 | QU5775000 | 
| Hydrogen peroxide * | 7722-84-1 | MX0900000 | 
| Hydrogen peroxide (aqueous) | 7722-84-1 | MX0900000 | 
| Hydrogen phosphide | 7803-51-2 | SY7525000 | 
| Hydrogen selenide * | 7783-07-5 | MX1050000 | 
| Hydrogen sulfate | 7664-93-9 | WS5600000 | 
| Hydrogen sulfide * | 7783-06-4 | MX1225000 | 
| Hydrogenated diphenylbenzenes | 61788-32-7 | WZ6535000 | 
| Hydrogenated MDI | 5124-30-1 | NQ9250000 | 
| Hydrogenated phenylbiphenyls | 61788-32-7 | WZ6535000 | 
| Hydrogenated terphenyls * | 61788-32-7 | WZ6535000 | 
| Hydrogenated triphenyls | 61788-32-7 | WZ6535000 | 
| Hydromagnesite | 546-93-0 | OM2470000 | 
| Hydroperoxide | 7722-84-1 | MX0900000 | 
| Hydroquinone * | 123-31-9 | MX3500000 | 
| Hydroquinone monomethyl ether | 150-76-5 | SL7700000 | 
| Hydrosulfuric acid | 7783-06-4 | MX1225000 | 
| Hydrous magnesium silicate | 14807-96-6 | WW2710000 | 
| Hydroxyacetonitrile | 107-16-4 | AM0350000 | 
| Hydroxybenzene | 108-95-2 | SJ3325000 | 
| Hydroxycellulose | 9004-34-6 | FJ5691460 | 
| Hydroxycyclohexane | 108-93-0 | GV7875000 | 
| Hydroxymethyl ethylene oxide | 556-52-5 | UB4375000 | 
| Hyponitrous acid anhydride | 10024-97-2 | QX1350000 | 
| m-Hydroxyphenol | 108-46-3 | VG9625000 | 
| n-Heptane * | 142-82-5 | MI7700000 | 
| n-Heptyl mercaptan | 1639-09-4 | MJ1400000 | 
| n-Hexadecanethiol | 2917-26-2 |  | 
| n-Hexane * | 110-54-3 | MN9275000 | 
| n-Hexanethiol * | 111-31-9 | MO4550000 | 
| n-Hexyl mercaptan | 111-31-9 | MO4550000 | 
| n-Hexylthiol | 111-31-9 | MO4550000 | 
| normal-Heptane | 142-82-5 | MI7700000 | 
| normal-Hexane | 110-54-3 | MN9275000 | 
| p-Hydroxyanisole | 150-76-5 | SL7700000 | 
| sec-Hexyl acetate * | 108-84-9 | SA7525000 |