A description of the different sections of a Right to Know Hazardous Substance Fact Sheet is also available. For the Spanish translation of Description of a Hazardous Substance Fact Sheet click Spanish.
Please note: the prefixes alpha-, beta-, n-, o-, p-, and numbers (2-; 1,2-) should not be used when searching for a substance. Use the common or chemical name without its prefix. For example, to find n-Heptane, search under Heptane; for beta-Propiolactone, search under Propiolactone; and for 1,2-Butylene Oxide, search under Butylene Oxide.
For the Spanish translation of the above click Spanish.
| RTK Substance Number | CAS Number | Uploaded | Common Name |
| 2958 | 83-32-9 | December, 1998 | ACENAPHTHENE |
| 2057 | 105-57-7 | August, 2000 | ACETAL |
| 0001 | 75-07-0 | August, 1998 | ACETALDEHYDE |
| 0001sp | 75-07-0 | October, 2001 | ACETALDEHÍDO |
| 0002 | 75-39-8 | November, 1998 | ACETALDEHYDE AMMONIA |
| 0002sp | 75-39-8 | July, 2003 | ACETALDEHÍDO AMÓNICO |
| 0003 | 107-29-9 | November, 1998 | ACETALDEHYDE OXIME |
| 0003sp | 107-29-9 | January, 2004 | ACETALDEHÍDO OXIMA |
| 2890 | 60-35-5 | November, 1998 | ACETAMIDE |
| 2890sp | 60-35-5 | July, 2003 | ACETAMIDA |
| 2960 | 591-08-2 | January, 2003 | ACETAMIDE, N-(AMINOTHIOXOMETHYL)- |
| 0004 | 64-19-7 | October, 1998 | ACETIC ACID |
| 0004sp | 64-19-7 | September, 2000 | ÁCIDO ACÉTICO |
| 0005 | 108-24-7 | August, 1998 | ACETIC ANHYDRIDE |
| 0006 | 67-64-1 | August, 1998 | ACETONE |
| 0006sp | 67-64-1 | October, 2001 | ACETONA |
| 0007 | 75-86-5 | January, 2004 | ACETONE CYANOHYDRIN |
| 0007sp | 75-86-5 | January, 2001 | CIANHIDRINA DE ACETONA |
| 2059 | 1752-30-3 | August, 2000 | ACETONE THIOSEMICARBAZIDE |
| 0008 | 75-05-8 | October, 1998 | ACETONITRILE |
| 2961 | 98-86-2 | December, 1998 | ACETOPHENONE |
| 0009 | 37187-22-7 | December, 1998 | ACETYL ACETONE PEROXIDE |
| 0010 | 53-96-3 | October, 1998 | 2 ACETYLAMINOFLUORENE |
| 0011 | 644-31-5 | November, 1998 | ACETYL BENZOYL PEROXIDE |
| 0011sp | 644-31-5 | July, 2003 | PERÓXIDO DE ACETIL BENZOILO |
| 0012 | 506-96-7 | November, 1998 | ACETYL BROMIDE |
| 0012sp | 506-96-7 | May, 2003 | BROMURO DE ACETILO |
| 0013 | 75-36-5 | November, 1998 | ACETYL CHLORIDE |
| 0013sp | 75-36-5 | May, 2003 | CLORURO DE ACETILO |
| 0014 | 3179-56-4 | November, 1998 | ACETYL CYCLOHEXANE SULFONYL PEROXIDE |
| 0014sp | 3179-56-4 | July, 2003 | PERÓXIDO SULFONIL DE ACETIL CICLOHEXANO |
| 0015 | 74-86-2 | March, 2000 | ACETYLENE |
| 0016 | 79-27-6 | April, 2001 | ACETYLENE TETRABROMIDE |
| 0017 | 507-02-8 | October, 1998 | ACETYL IODIDE |
| 0018 | 513-86-0 | June, 2000 | ACETYL METHYL CARBINOL |
| 0019 | 110-22-5 | June, 2000 | ACETYL PEROXIDE |
| 0020 | 50-78-2 | October, 1998 | ACETYLSALICYLIC ACID |
| 2064 | 260-94-6 | August, 2000 | ACRIDINE |
| 0021 | 107-02-8 | August, 1998 | ACROLEIN |
| 0021sp | 107-02-8 | October, 2001 | ACROLEÍNA |
| 0022 | 79-06-1 | March, 2000 | ACRYLAMIDE |
| 0022sp | 79-06-1 | May, 2003 | ACRILAMIDA |
| 0023 | 79-10-7 | October, 1998 | ACRYLIC ACID |
| 0024 | 107-13-1 | August, 1998 | ACRYLONITRILE |
| 0024sp | 107-13-1 | October, 2001 | ACRILONITRILO |
| 2065 | 814-68-6 | June, 2000 | ACRYLYL CHLORIDE |
| 0025 | 50-76-0 | August, 1998 | ACTINOMYCIN D |
| 0025sp | 50-76-0 | January, 2001 | ACTINOMICINA D |
| 0026 | 124-04-9 | December, 1998 | ADIPIC ACID |
| 0027 | 111-69-3 | December, 1998 | ADIPONITRILE |
| 0028 | 23214-92-8 | December, 1998 | ADRIAMYCINE |
| 0029 | 1402-68-2 | November, 1998 | AFLATOXINS |
| 0029sp | 1402-68-2 | July, 2003 | AFLATOXINAS |
| 0031 | 116-06-3 | April, 2001 | ALDICARB |
| 0032 | 107-89-1 | November, 1998 | ALDOL |
| 0032sp | 107-89-1 | May, 2003 | ALDOL |
| 0033 | 309-00-2 | April, 2001 | ALDRIN |
| 0034 | 75-75-2 | January, 2003 | ALKANE SULFONIC ACID |
| 2102 | 584-79-2 | December, 1998 | ALLETHRIN |
| 0035 | 591-87-7 | December, 1998 | ALLYL ACETATE |
| 0036 | 107-18-6 | October, 1998 | ALLYL ALCOHOL |
| 0037 | 107-11-9 | June, 2000 | ALLYL AMINE |
| 0038 | 106-95-6 | December, 1998 | ALLYL BROMIDE |
| 0039 | 107-05-1 | October, 1998 | ALLYL CHLORIDE |
| 0039sp | 107-05-1 | October, 2001 | CLORURO DE ALILO |
| 0040 | 2937-50-0 | June, 2000 | ALLYL CHLOROCARBONATE |
| 0041 | 557-31-3 | November, 1998 | ALLYL ETHYL ETHER |
| 0041sp | 557-31-3 | October, 2001 | ÉTER ETIL ALÍLICO |
| 0043 | 106-92-3 | April, 2001 | ALLYL GLYCIDYL ETHER |
| 0044 | 556-56-9 | October, 1998 | ALLYL IODIDE |
| 0045 | 57-06-7 | October, 1998 | ALLYL ISOTHIOCYANATE |
| 0046 | 2179-59-1 | April, 2001 | ALLYL PROPYL DISULFIDE |
| 0047 | 107-37-9 | October, 1998 | ALLYL TRICHLOROSILANE |
| 0054 | 7429-90-5 | March, 2000 | ALUMINUM (DUST AND FUME) |
| 0055 | 7727-15-3 | August, 2000 | ALUMINUM BROMIDE |
| 0056 | 1299-86-1 | July, 2004 | ALUMINUM CARBIDE |
| 0057 | 7446-70-0 | March, 1999 | ALUMINUM CHLORIDE |
| 0057sp | 7446-70-0 | September, 2000 | CLORURO ALUMÍNICO |
| 0059 | 7784-18-1 | December, 1998 | ALUMINUM FLUORIDE |
| 0060 | 7784-21-6 | December, 1998 | ALUMINUM HYDRIDE |
| 0061 | 13473-90-0 | April, 2001 | ALUMINUM NITRATE |
| 2891 | 1344-28-1 | March, 2002 | ALUMINUM OXIDE |
| 0062 | 7784-30-7 | October, 1998 | ALUMINUM PHOSPHATE |
| 0063 | 20859-73-8 | August, 1998 | ALUMINUM PHOSPHIDE |
| 0063sp | 20859-73-8 | January, 2004 | FOSFURO ALUMÍNICO |
| 0064 | 61789-65-9 | July, 2004 | ALUMINUM RESINATE |
| 0068 | 10043-01-3 | April, 2001 | ALUMINUM SULFATE |
| 0069 | 117-79-3 | July, 2004 | 2-AMINOANTHRAQUINONE |
| 0069sp | 117-79-3 | January, 2000 | 2-AMINOANTRAQUINONA |
| 0070 | 95-85-2 | November, 1998 | 2-AMINO-4-CHLOROPHENOL |
| 0070sp | 95-85-2 | July, 2003 | 2-AMINO-4-CLOROFENOL |
| 0071 | 140-80-7 | June, 2000 | 2-AMINO-5-DIETHYL AMINOPENTANE |
| 0072 | 92-67-1 | October, 1998 | 4-AMINODIPHENYL |
| 0073 | 929-06-6 | November, 1998 | 2-(2-AMINOETHOXY)ETHANOL |
| 0073sp | 929-06-6 | July, 2003 | 2-(2-AMINOETOXI)ETANOL |
| 0074 | 111-41-1 | December, 1998 | AMINOETHYL ETHANOLAMINE |
| 0075 | 140-31-8 | March, 1999 | N-AMINOETHYLPIPERAZINE |
| 0075sp | 140-31-8 | September, 2000 | n-AMINOETILPIPERAZINA |
| 0076 | 82-28-0 | October, 2001 | 1-AMINO-2-METHYLANTHRAQUINONE |
| 0078 | 27598-85-2 | June, 2000 | AMINOPHENOLS |
| 0079 | 4985-85-7 | August, 2000 | AMINOPROPYLDIETHANOLAMINE |
| 0080 | 123-00-2 | June, 2000 | AMINOPROPYLMORPHOLINE |
| 0081 | 504-29-0 | April, 2001 | 2-AMINOPYRIDINE |
| 0082 | 462-08-8 | August, 2000 | 3-AMINOPYRIDINE |
| 2113 | 78-53-5 | May, 2003 | AMITON |
| 2114 | 3734-97-2 | August, 2000 | AMITON OXALATE |
| 0083 | 61-82-5 | October, 1998 | AMITROL |
| 0084 | 7664-41-7 | October, 1998 | AMMONIA |
| 0085 | 631-61-8 | August, 2002 | AMMONIUM ACETATE |
| 0086 | 7784-44-3 | March, 1999 | AMMONIUM ARSENATE |
| 0086sp | 7784-44-3 | September, 2000 | ARSENIATO DE AMONIO |
| 0087 | 1863-63-4 | August, 2002 | AMMONIUM BENZOATE |
| 0088 | 1066-33-7 | May, 2001 | AMMONIUM BICARBONATE |
| 0089 | 1341-49-7 | August, 2002 | AMMONIUM BIFLUORIDE |
| 0090 | 10192-30-0 | November, 1998 | AMMONIUM BISULFITE |
| 0090sp | 10192-30-0 | October, 2001 | BISULFITO AMÓNICO |
| 0091 | 1111-78-0 | August, 2002 | AMMONIUM CARBAMATE |
| 0092 | 506-87-6 | October, 2001 | AMMONIUM CARBONATE |
| 0093 | 12125-02-9 | March, 2002 | AMMONIUM CHLORIDE FUME |
| 0093sp | 12125-02-9 | October, 1999 | CLORURO AMÓNICO |
| 0094 | 16919-58-7 | December, 2004 |
AMMONIUM CHLOROPLATINATE |
| 0094sp | 16919-58-7 | March, 2000 | CLOROPLATINATO AMÓNICO |
| 0095 | 7788-98-9 | December, 2004 |
AMMONIUM CHROMATE |
| 0095sp | 7788-98-9 | October, 2001 | CROMATO AMÓNICO |
| 0097 | 7789-09-5 | August, 1998 | AMMONIUM DICHROMATE |
| 0097sp | 7789-09-5 | October, 2001 | DICROMATO AMÓNICO |
| 0098 | 2980-64-5 | June, 2000 | AMMONIUM DINITRO-o-CRESOLATE |
| 0099 | 12125-01-8 | August, 2002 | AMMONIUM FLUORIDE |
| 0100 | 13826-83-0 | August, 2000 | AMMONIUM FLUOROBORATE |
| 0101 | 16919-19-0 | August, 2000 | AMMONIUM FLUOSILICATE |
| 0102 | 7803-63-6 | July, 2004 | AMMONIUM HYDROGEN SULFATE |
| 0103 | 1336-21-6 | August, 2002 | AMMONIUM HYDROXIDE |
| 0103sp | 1336-21-6 | October, 1999 | HIDRÓXIDO AMÓNICO |
| 0104 | 7803-55-6 | November, 1998 | AMMONIUM METAVANADATE |
| 0104sp | 7803-55-6 | January, 2004 | METAVANADATO AMÓNICO |
| 0105 | 13106-76-8 | June, 2000 | AMMONIUM MOLYBDATE |
| 0106 | 6484-52-2 | October, 1998 | AMMONIUM NITRATE |
| 0108 | 1113-38-8 | August, 2000 | AMMONIUM OXALATE |
| 0109 | 7790-98-9 | June, 2000 | AMMONIUM PERCHLORATE |
| 0110 | 13446-10-1 | August, 2000 | AMMONIUM PERMANGANATE |
| 0111 | 7727-54-0 | August, 2000 | AMMONIUM PERSULFATE |
| 0112 | 131-74-8 | August, 2000 | AMMONIUM PICRATE |
| 0113 | 12259-92-6 | June, 2000 | AMMONIUM POLYSULFIDE |
| 0114 | 7773-06-0 | April, 2001 | AMMONIUM SULFAMATE |
| 0115 | 12135-76-1 | August, 2002 | AMMONIUM SULFIDE |
| 0116 | 10196-04-0 | August, 2000 | AMMONIUM SULFITE |
| 0117 | 3164-29-2 | December, 2000 | AMMONIUM TARTRATE |
| 0118 | 13820-41-2 | August, 2002 | AMMONIUM TETRACHLOROPLATINATE |
| 0119 | 1762-95-4 | August, 2002 | AMMONIUM THIOCYANATE |
| 0119sp | 1762-95-4 | October, 1999 | TIOCIANATO AMÓNICO |
| 1321 | 628-63-7 | December, 2004 |
n-AMYL ACETATE |
| 1321sp | 628-63-7 | March, 2000 | ACETATO DE n-AMILO |
| 1643 | 626-38-0 | December, 2004 |
sec-AMYL ACETATE |
| 1643sp | 626-38-0 | March, 2000 | ACETATO DE sec-AMILO |
| 3023 | 625-16-1 | August, 2000 | tert-AMYL ACETATE |
| 0124 | 71-41-0 | October, 1998 | AMYL ALCOHOL |
| 0125 | 110-58-7 | August, 2000 | AMYLAMINE |
| 0126 | 540-18-1 | August, 2000 | AMYL BUTYRATE |
| 0127 | 543-59-9 | March, 1999 | AMYL CHLORIDE |
| 0127sp | 543-59-9 | September, 2000 | CLORURO DE AMILO |
| 0128 | 25377-72-4 | March, 1999 | n-AMYLENE |
| 0128sp | 25377-72-4 | September, 2000 | n-AMILENO |
| 0123 | 12789-46-7 | May, 2003 | AMYL ACID PHOSPHATE |
| 0129 | 638-49-3 | May, 2003 | AMYL FORMATE |
| 0130 | 110-66-7 | June, 2000 | AMYL MERCAPTAN |
| 0131 | 1002-16-0 | August, 2000 | AMYL NITRATE |
| 0132 | 110-46-3 | December, 2000 | AMYL NITRITE |
| 0134 | 107-72-2 | November, 1998 | AMYL TRICHLOROSILANE |
| 0134sp | 107-72-2 | May, 2003 | AMILTRICLOROSILANO |
| 0135 | 62-53-3 | October, 1998 | ANILINE |
| 0135sp | 62-53-3 | February, 2005 |
ANILINA |
| 0136 | 142-04-1 | January, 2004 | ANILINE HYDROCHLORIDE |
| 0136sp | 142-04-1 | September, 2000 | CLOROHIDRATO DE ANILINA |
| 0137 | 100-66-3 | March, 1999 | ANISOLE |
| 0137sp | 100-66-3 | September, 2000 | ANISOL |
| 1421 | 90-04-0 | April, 2001 | o-ANISIDINE |
| 2893 | 104-94-9 | August, 1998 | p-ANISIDINE |
| 0138 | 1300-64-7 | May, 2003 | ANISOYL CHLORIDE |
| 0139 | 120-12-7 | February, 2003 | ANTHRACENE |
| 0139sp | 120-12-7 | October, 2001 | ANTRACENO |
| 0140 | 84-65-1 | March, 1999 | ANTHRAQUINONE |
| 0140sp | 84-65-1 | January, 2001 | ANTRAQUINONA |
| 0141 | 7440-36-0 | December, 2004 |
ANTIMONY |
| 0141sp | 7440-36-0 | January, 2000 | ANTIMONIO |
| 0142 | 58164-88-8 | December, 2000 | ANTIMONY LACTATE |
| 0143 | 7647-18-9 | December, 2004 |
ANTIMONY PENTACHLORIDE |
| 0143sp | 7647-18-9 | March, 2000 | PENTACLORURO DE ANTIMONIO |
| 0144 | 7783-70-2 | December, 2004 |
ANTIMONY PENTAFLUORIDE |
| 0144sp | 7783-70-2 | March, 2000 | PENTAFLUORURO DE ANTIMONIO |
| 0145 | 28300-74-5 | December, 2004 |
ANTIMONY POTASSIUM TARTRATE |
| 0145sp | 28300-74-5 | March, 2000 | TARTRATO DE ANTIMONIO POTÁSICO |
| 0146 | 7789-61-9 | March, 2001 | ANTIMONY TRIBROMIDE |
| 0147 | 10025-91-9 | January, 2004 | ANTIMONY TRICHLORIDE |
| 0147sp | 10025-91-9 | September, 2000 | TRICLORURO DE ANTIMONIO |
| 0148 | 7783-56-4 | December, 2004 |
ANTIMONY TRIFLUORIDE |
| 0148sp | 7783-56-4 | October, 2001 | TRIFLUORO DE ANTIMONIO |
| 0149 | 1309-64-4 | December, 2004 |
ANTIMONY TRIOXIDE |
| 0149sp | 1309-64-4 | January, 2001 | TRIÓXIDO DE ANTIMONIO |
| 2132 | 1397-94-0 | August, 2002 | ANTIMYCIN |
| 0150 | 140-57-8 | August, 2000 | ARAMITE |
| 0151 | 7440-37-1 | October, 2001 | ARGON |
| 0151sp | 7440-37-1 | February, 2005 |
ARGÓN |
| 0152 | 7440-38-2 | October, 1998 | ARSENIC |
| 0152sp | 7440-38-2 | September, 2000 | ARSÉNICO |
| 0153 | 7778-39-4 | August, 2002 | ARSENIC ACID |
| 0153sp | 7778-39-4 | September, 2000 | ÁCIDO ARSÉNICO |
| 0154 | 7784-33-0 | August, 2000 | ARSENIC BROMIDE |
| 0156 | 56320-22-0 | August, 2000 | ARSENIC DISULFIDE |
| 0157 | 7784-45-4 | May, 2003 | ARSENIC IODIDE |
| 0158 | 1303-28-2 | August, 2002 | ARSENIC PENTOXIDE |
| 0158sp | 1303-28-2 | September, 2000 | PENTÓXIDO DE ARSÉNICO |
| 0159 | 7784-34-1 | February, 2003 | ARSENIC TRICHLORIDE |
| 0159sp | 7784-34-1 | October, 2001 | TRICLORURO DE ARSÉNICO |
| 0161 | 1327-53-3 | March, 2002 | ARSENIC TRIOXIDE |
| 0162 | 1303-33-9 | December, 1998 | ARSENIC TRISULFIDE |
| 0163 | 7784-42-1 | October, 1998 | ARSINE |
| 0163sp | 7784-42-1 | October, 2001 | ARSINA |
| 0164 | 1332-21-4 | April, 2001 | ASBESTOS |
| 0164sp | 1332-21-4 | March, 2002 | ASBESTO |
| 0170 | 8052-42-4 | April, 2001 | ASPHALT FUMES |
| 0170sp | 8052-42-4 | February, 2005 |
HUMOS DE ASFALTO |
| 0171 | 1912-24-9 | October, 1998 | ATRAZINE |
| 2894 | 492-80-8 | July, 2004 | AURAMINE |
| 2894sp | 492-80-8 | January, 2000 | AURAMINA |
| 0172 | 504-24-5 | July, 2004 | AVITROL |
| 0172sp | 504-24-5 | January, 2000 | AVITROL |
| 0173 | 115-02-6 | June, 2000 | AZASERINE |
| 0174 | 446-86-6 | August, 2000 | AZATHIOPRINE |
| 2140 | 2642-71-9 | January, 2003 | AZINPHOS-ETHYL |
| 0175 | 545-55-1 | January, 2003 | 1-AZIRIDINYL PHOSPHINE OXIDE (TRIS) |
| 0179 | 78-67-1 | December, 1998 | AZODIISOBUTYRONITRILE |
| 2141 | 13472-08-7 | July, 2004 | 2,2'-AZODI(2-METHYLBUTYRONITRILE) |
| RTK Substance Number | CAS Number | Uploaded | Common Name |
| 2142 | 1405-87-4 | April, 1999 | BACITRACIN |
| 0180 | 7440-39-3 | December, 2000 | BARIUM |
| 0180sp | 7440-39-3 | February, 2005 |
BARIO |
| 0181 | 18810-58-7 | August, 1998 | BARIUM AZIDE |
| 0181sp | 18810-58-7 | January, 2001 | AZIDA DE BARIO |
| 0183 | 13477-00-4 | June, 2002 | BARIUM CHLORATE |
| 3074 | 10294-40-3 | August, 2000 | BARIUM CHROMATE |
| 0184 | 542-62-1 | August, 1998 | BARIUM CYANIDE |
| 0184sp | 542-62-1 | January, 2001 | CIANURO BÁRICO |
| 0185 | 13477-10-6 | June, 2002 | BARIUM HYPOCHLORITE |
| 0186 | 10022-31-8 | June, 2002 | BARIUM NITRATE |
| 0186sp | 10022-31-8 | February, 2005 |
NITRATO DE BARIO |
| 0187 | 1304-28-5 | February, 2003 | BARIUM OXIDE |
| 0187sp | 1304-28-5 | October, 2001 | ÓXIDO BÁRICO |
| 0188 | 13465-95-7 | June, 2002 | BARIUM PERCHLORATE |
| 0189 | 7787-36-2 | June, 2002 | BARIUM PERMANGANATE |
| 0190 | 1304-29-6 | June, 2002 | BARIUM PEROXIDE |
| 0191 | 22781-23-3 | July, 2004 | BENDIOCARB |
| 0191sp | 22781-23-3 | January, 2000 | BENDIOCARB |
| 0192 | 17804-35-2 | July, 2004 | BENOMYL |
| 0192sp | 17804-35-2 | January, 2000 | BENOMILO |
| 2895 | 55-21-0 | January, 2003 | BENZAMIDE |
| 0193 | 56-55-3 | November, 1998 | BENZ(a)ANTHRACENE |
| 0193sp | 56-55-3 | January, 2004 | BENZO(a)ANTRACENO |
| 0194 | 57-97-6 | April, 1999 | BENZ(a)ANTHRACENE,7,12-DIMETHYL |
| 0195 | 98-87-3 | January, 2004 | BENZAL CHLORIDE |
| 0195sp | 98-87-3 | January, 2001 | CLORURO DE BENZAL |
| 0196 | 100-52-7 | February, 2003 | BENZALDEHYDE |
| 0196sp | 100-52-7 | October, 2001 | BENZALDEHÍDO |
| 0197 | 71-43-2 | April, 2001 | BENZENE |
| 0197sp | 71-43-2 | February, 2005 |
BENCENO |
| 2155 | 98-05-5 | May, 2003 | BENZENEARSONIC ACID |
| 2156 | 100-14-1 | August, 2000 | BENZENE, 1-(CHLOROMETHYL)-4-NITRO- |
| 0200 | 644-97-3 | June, 2000 | BENZENE PHOSPHOROUS DICHLORIDE |
| 0201 | 14684-25-4 | June, 2000 | BENZENE PHOSPHOROUS THIODICHLORIDE |
| 0202 | 98-09-9 | August, 2000 | BENZENE SULFONYL CHLORIDE |
| 0203 | 108-98-5 | December, 2004 |
BENZENETHIOL |
| 0203sp | 108-98-5 | February, 2005 |
BENCENOTIOL |
| 0204 | 92-87-5 | October, 1998 | BENZIDINE |
| 2908 | 3615-21-2 | July, 2004 | BENZIMIDAZOLE, 4,5-DICHLORO-2-(TRIFLUOROMETHYL) |
| 0208 | 205-99-2 | March, 2002 | BENZO(b)FLUORANTHENE |
| 0210 | 205-82-3 | May, 2003 | BENZO(j)FLUORANTHENE |
| 2969 | 207-08-9 | May, 2003 | BENZO(k)FLUORANTHENE |
| 2970 | 206-44-0 | January, 2003 | BENZO(jk)FLUORANTHENE |
| 0207 | 50-32-8 | October, 1998 | BENZO(a)PYRENE |
| 0209 | 65-85-0 | March, 2001 | BENZOIC ACID |
| 0211 | 100-47-0 | March, 2001 | BENZONITRILE |
| 1460 | 106-51-4 | December, 2004 |
p-BENZOQUINONE |
| 1460sp | 106-51-4 | March, 2000 | p-BENZOQUINONA |
| 0212 | 98-07-7 | July, 2004 | BENZOTRICHLORIDE |
| 0212sp | 98-07-7 | March, 2000 | BENZOTRICLORURO |
| 0213 | 98-08-8 | May, 2001 | BENZOTRIFLUORIDE |
| 0214 | 98-88-4 | December, 1998 | BENZOYL CHLORIDE |
| 0215 | 94-36-0 | October, 1998 | BENZOYL PEROXIDE |
| 0216 | 100-39-0 | May, 2001 | BENZYL BROMIDE |
| 0217 | 100-44-7 | February, 2003 | BENZYL CHLORIDE |
| 0217sp | 100-44-7 | August, 1997 | CLORURO DE BENCILO |
| 0218 | 501-53-1 | August, 2000 | BENZYL CHLOROFORMATE |
| 0219 | 103-83-3 | June, 2000 | BENZYL DIMETHYLAMINE |
| 0220 | 620-05-3 | January, 2003 | BENZYL IODIDE |
| 3080 | 1302-52-9 | June, 2000 | BERYL |
| 0222 | 7440-41-7 | October, 1998 | BERYLLIUM |
| 3088 | 6104-24-3 | May, 2003 | BERYLLIUM CARBONATE |
| 0223 | 7787-47-5 | December, 2004 |
BERYLLIUM CHLORIDE |
| 0223sp | 7787-47-5 | March, 2000 | CLORURO DE BERILIO |
| 0224 | 7787-49-7 | December, 2004 |
BERYLLIUM FLUORIDE |
| 0224sp | 7787-49-7 | March, 2000 | FLUORURO DE BERILIO |
| 3083 | 13327-32-7 | January, 2003 | BERYLLIUM HYDROXIDE |
| 0225 | 13597-99-4 | August, 1998 | BERYLLIUM NITRATE |
| 0225sp | 13597-99-4 | January, 2001 | NITRATO DE BERILIO |
| 0226 | 1304-56-9 | December, 2004 |
BERYLLIUM OXIDE |
| 0226sp | 1304-56-9 | March, 2000 | ÓXIDO DE BERILIO |
| 3084 | 13510-49-1 | December, 1998 | BERYLLIUM SULFATE |
| 0230 | 56-18-8 | December, 2000 | BIS(AMINOPROPYL)AMINE |
| 0231 | 7209-38-3 | August, 1997 | BIS(AMINOPROPYL)PIPERAZINE |
| 2971 | 111-91-1 | June, 2000 | BIS (2-CHLOROETHOXY) METHANE |
| 1965 | 66-75-1 | May, 2003 | 5-(BIS(2-CHLOROETHYL)AMINO) URACIL |
| 0232 | 111-44-4 | January, 2004 | BIS(2-CHLOROETHYL)ETHER |
| 0232sp | 111-44-4 | January, 2001 | BIS (2-CLOROETILO) ÉTER |
| 0233 | 154-93-8 | August, 2000 | BISCHLOROETHYL NITROSOUREA |
| 0234 | 542-88-1 | October, 1998 | BIS (2-CHLOROMETHYL) ETHER |
| 0235 | 108-60-1 | August, 1998 | BIS(2-CHLORO-1-METHYLETHYL)ETHER |
| 2170 | 534-07-6 | June, 2000 | BIS(CHLOROMETHYL)KETONE |
| 0236 | 110-18-9 | June, 2000 | 1,2-BIS(DIMETHYLAMINO)ETHANE |
| 0237 | 103-23-1 | December, 2000 | BIS (2-ETHYLHEXYL) ADIPATE |
| 0238 | 117-81-7 | October, 1998 | BIS (2-ETHYLHEXYL) PHTHALATE |
| 0239 | 1304-82-1 | June, 2002 | BISMUTH TELLURIDE |
| 2388 | 80-05-7 | August, 1998 | BISPHENOL A |
| 2172 | 4044-65-9 | August, 2000 | BITOSCANATE |
| 0240 | 21725-46-2 | March, 2001 | BLADEX |
| 0242 | 507-70-0 | April, 1999 | BORNEOL |
| 0243 | 1303-86-2 | December, 2000 | BORON OXIDE |
| 0244 | 10294-33-4 | October, 1998 | BORON TRIBROMIDE |
| 0244sp | 10294-33-4 | October, 2001 | TRIBROMURO DE BORO |
| 0245 | 10294-34-5 | October, 2001 | BORON TRICHLORIDE |
| 0246 | 7637-07-2 | February, 2003 | BORON TRIFLUORIDE |
| 0246sp | 7637-07-2 | October, 1999 | TRIFLUORURO DE BORO |
| 0248 | 109-63-7 | June, 2000 | BORON TRIFLUORIDE DIETHYL ETHERATE |
| 0249 | 13319-75-0 | May, 2003 | BORON TRIFLUORIDE DIHYDRATE |
| 0250 | 353-42-4 | January, 2003 | BORON TRIFLUORIDE DIMETHYL ETHERATE |
| 0251 | 314-40-9 | October, 1998 | BROMACIL |
| 2179 | 28772-56-7 | August, 2000 | BROMADIOLONE |
| 0252 | 7726-95-6 | October, 1998 | BROMINE |
| 0253 | 13863-41-7 | July, 2004 | BROMINE CHLORIDE |
| 0254 | 7789-30-2 | October, 1998 | BROMINE PENTAFLUORIDE |
| 0254sp | 7789-30-2 | October, 2001 | PENTAFLUORURO DE BROMO |
| 2182 | 79-08-3 | May, 2003 | BROMOACETIC ACID |
| 0256 | 598-31-2 | January, 2003 | BROMOACETONE |
| 0257 | 598-21-0 | June, 2000 | BROMOACETYL BROMIDE |
| 0258 | 108-86-1 | March, 1999 | BROMOBENZENE |
| 0258sp | 108-86-1 | January, 2001 | BROMOBENCENO |
| 0259 | 5798-79-8 | July, 2004 | BROMOBENZYL CYANIDE |
| 0260 | 78-76-2 | March, 1999 | 2-BROMOBUTANE |
| 0260sp | 78-76-2 | January, 2001 | 2-BROMOBUTANO |
| 2966 | 101-55-3 | August, 2000 | p-BROMODIPHENYL ETHER |
| 0261 | 592-55-2 | January, 2003 | BROMOETHYL ETHYL ETHER |
| 0262 | 75-25-2 | August, 2000 | BROMOFORM |
| 0263 | 107-82-4 | December, 2000 | 1-BROMO-3-METHYLBUTANE |
| 0265 | 78-77-3 | June, 2000 | 1-BROMO-2-METHYLPROPANE |
| 0264 | 507-19-7 | June, 2000 | 2-BROMO-2-METHYLPROPANE |
| 0266 | 107-81-3 | May, 2003 | 2-BROMOPENTANE |
| 0267 | 26446-77-5 | February, 2003 | BROMOPROPANE |
| 0267sp | 26446-77-5 | May, 2003 | BROMOPROPANO |
| 0268 | 106-96-7 | June, 2000 | 3-BROMOPROPYNE |
| 0269 | 598-73-2 | July, 2004 | BROMOTRIFLUOROETHYLENE |
| 0270 | 357-57-3 | March, 1999 | BRUCINE |
| 0270sp | 357-57-3 | September, 2000 | BRUCINA |
| 0271 | 55-98-1 | March, 1999 | BUSULFAN |
| 0271sp | 55-98-1 | September, 2000 | BUSULFÁN |
| 0272 | 106-99-0 | October, 1998 | 1,3-BUTADIENE |
| 0273 | 106-97-8 | October, 1998 | BUTANE |
| 0274 | 431-03-8 | March, 2001 | BUTANEDIONE |
| 0275 | 111-76-2 | April, 2001 | 2-BUTOXY ETHANOL |
| 0275sp | 111-76-2 | February, 2005 |
2-BUTOXIETANOL |
| 0276 | 4435-53-4 | December, 2000 | BUTOXYL |
| 0298 | 110-65-6 | July, 2004 | 1,4-BUTYNEDIOL |
| 1329 | 123-86-4 | April, 2001 | n-BUTYL ACETATE |
| 1332 | 111-36-4 | July, 2004 | n-BUTYLISOCYANATE |
| 1644 | 105-46-4 | March, 2001 | sec-BUTYL ACETATE |
| 1786 | 540-88-5 | March, 2001 | tert-BUTYL ACETATE |
| 0277 | 12788-93-1 | December, 2000 | BUTYL ACID PHOSPHATE |
| 0278 | 141-32-2 | October, 1998 | BUTYL ACRYLATE |
| 1330 | 71-36-3 | December, 1998 | n-BUTYL ALCOHOL |
| 1645 | 78-92-2 | November, 1998 | sec-BUTYL ALCOHOL |
| 1787 | 75-65-0 | December, 1998 | tert-BUTYL ALCOHOL |
| 0279 | 110-69-0 | December, 1998 | BUTYL ALDEHYDE OXIME |
| 0280 | 109-73-9 | October, 1998 | BUTYLAMINE |
| 3025 | 75-64-9 | May, 2003 | tert-BUTYLAMINE |
| 0281 | 1126-78-9 | May, 2003 | BUTYLANILINE |
| 0282 | 104-51-8 | May, 2003 | BUTYL BENZENE |
| 0285 | 592-34-7 | May, 2003 | BUTYLCHLOROFORMATE |
| 2896 | 85-68-7 | August, 1998 | BUTYL BENZYL PHTHALATE |
| 0283 | 109-65-9 | February, 2003 | BUTYL BROMIDE |
| 0283sp | 117-81-7 | May, 2003 | BROMURO DE BUTILO |
| 0284 | 109-69-3 | February, 2003 | BUTYL CHLORIDE |
| 0284sp | 109-69-3 | May, 2003 | CLORURO DE BUTILO |
| 1788 | 1189-85-1 | November, 1998 | tert-BUTYL CHROMATE |
| 1788sp | 1189-85-1 | July, 2003 | CROMATO terc-BUTÍLICO |
| 2185 | 995-33-5 | May, 2003 | N-BUTYL-4,4-DI(tert-BUTYL-PEROXY) VALERATE |
| 0286 | 25167-67-3 | February, 2003 | BUTYLENE |
| 0286sp | 25167-67-3 | September, 2000 | BUTILENO |
| 0287 | 106-88-7 | January, 2004 | 1,2-BUTYLENE OXIDE |
| 0287sp | 106-88-7 | September, 2000 | ÓXIDO DE 1,2-BUTILENO |
| 0288 | 142-96-1 | March, 2001 | BUTYL ETHER |
| 0289 | 592-84-7 | May, 2003 | BUTYL FORMATE |
| 1331 | 2426-08-6 | December, 1998 | n-BUTYL GLYCIDYL ETHER |
| 1790 | 75-91-2 | August, 2000 | tert-BUTYL HYDROPEROXIDE |
| 1791 | 1609-86-5 | August, 2000 | tert-BUTYLISOCYANATE |
| 1333 | 138-22-7 | December, 2000 | n-BUTYL LACTATE |
| 2190 | 109-72-8 | May, 2003 | BUTYL LITHIUM |
| 0290 | 109-79-5 | January, 2004 | BUTYL MERCAPTAN |
| 0290sp | 109-79-5 | September, 2000 | BUTILMERCAPTANO |
| 0291 | 97-88-1 | February, 2003 | BUTYL METHACRYLATE |
| 0291sp | 97-88-1 | September, 2000 | METACRILATO DE BUTILO |
| 3104 | 628-28-4 | May, 2003 | BUTYL METHYL ETHER |
| 0292 | 544-16-1 | August, 2000 | BUTYL NITRITE |
| 1793 | 107-71-1 | May, 2003 | tert-BUTYL PEROXYACETATE |
| 1794 | 614-45-9 | August, 2000 | tert-BUTYL PEROXYBENZOATE |
| 1800 | 927-07-1 | August, 2000 | tert-BUTYL PEROXYPIVALATE |
| 1440 | 89-72-5 | June, 2002 | o-sec-BUTYLPHENOL |
| 0295 | 590-01-2 | December, 1998 | BUTYL PROPIONATE |
| 1620 | 98-51-1 | August, 2000 | p-tert-BUTYLTOLUENE |
| 0296 | 7521-80-4 | November, 1998 | BUTYL TRICHLOROSILANE |
| 0296sp | 7521-80-4 | July, 2003 | BUTILTRICLOROSILANO |
| 2198 | 81-15-2 | January, 2003 | tert-BUTYL-2,4,6-TRINITRO-m-XYLENE |
| 0297 | 111-34-2 | May, 2003 | BUTYL VINYL ETHER |
| 0299 | 123-72-8 | February, 2003 | BUTYRALDEHYDE |
| 0299sp | 123-72-8 | September, 2000 | BUTIRALDEHÍDO |
| 0300 | 107-92-6 | October, 1998 | BUTYRIC ACID |
| 0301 | 106-31-0 | August, 2000 | BUTYRIC ANHYDRIDE |
| 0302 | 109-74-0 | August, 2000 | BUTYRONITRILE |
| RTK Substance Number | CAS Number | Uploaded | Common Name |
| 0304 |