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This page last updated: July 12, 2005
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ICSC	"H"         CHEMICAL NAME	CAS NO	RTECS NO	UN NO
0847*	HAFNIUM POWDER	7440-58-6	MG4600000	2545
0635	Halon 1211	353-59-3	PA5270000	1974
0575	Halon 14	75-73-0	FG4920000	1982
0277*	HALOTHANE	151-67-7	KH6550000
0895	HCB	118-74-1	DA2975000	2729
1343	HCFC 123	306-83-2	KI1108000
1106	HCFC 21	75-43-4	PA8400000	1029
0049	HCFC 22	75-45-6	PA6390000	1018
1299	HCFC 133a	75-88-7	KH8008500	1983
0643	HCFC 142 b	75-68-3	KH7650000	2517
0053	gamma - HCH	58-89-9	GV4900000	2761
0161	HCP	70-30-4	SM0700000	2875
0418	HD	505-60-2	WQ0900000	2810
1488	HDPE	9002-88-4	TQ3325000
0928	Heazlewoodite	12035-72-2	QR9800000
0603*	HELIUM	7440-59-7	MH6520000	1963
1362	Hemimellitene	526-73-8	DC3300000	1993
0787	HEOD	60-57-1	IO1750000	2761
0743*	HEPTACHLOR	76-44-8	PC0700000	2761
0743	1, 4, 5, 6, 7, 8, 8 - Heptachloro - 3a, 4, 7, 7a - tetrahydro - 4, 7 - methanoindene	76-44-8	PC0700000	2761
0743	1, 4, 5, 6, 7, 8, 8 - Heptachloro - 3a, 4, 7, 7a - tetrahydro - 4, 7 - methano - 1H - indene	76-44-8	PC0700000	2761
0743	3, 4, 5, 6, 8, 8a - Heptachlorodicyclopentadiene	76-44-8	PC0700000	2761
0568	1 - Heptadecanecarboxylic acid	57-11-4	WI2800000
0657*	n - HEPTANE	142-82-5	MI7700000	1206
0477	3 - Heptanecarboxylic acid	149-57-5	MO7700000
1082	Heptane - 1 - ol	111-70-6	MK0350000	2810
1179*	n - HEPTANOIC ACID	111-14-8	MJ1575000	3265
1082*	1 - HEPTANOL	111-70-6	MK0350000	2810
1083*	2 - HEPTANOL	543-49-7	MJ2975000
1082	n - Heptanol	111-70-6	MK0350000	2810
0920	2 - Heptanone	110-43-0	MJ5075000	1110
0889	3 - Heptanone	106-35-4	MJ5250000	1224
1414	Heptan - 4 - one	123-19-3	MJ5600000	2710
1391	3 - Heptanone, 5 - methyl	541-85-5	MJ7350000	2271
1179	n - Heptoic acid	111-14-8	MJ1575000	3265
1083	2 - Heptyl alcohol	543-49-7	MJ2975000
1082	n - Heptyl alcohol	111-70-6	MK0350000	2810
1083	sec - Heptyl alcohol	543-49-7	MJ2975000
1030	Heptyl carbinol	111-87-5	RH6550000
1179	n - Heptylic acid	111-14-8	MJ1575000	3265
1413*	HEXABROMOCYCLODODECANE (MIXTURE OF ISOMERS)	25637-99-4
1282	Hexabutyldistannoxane	56-35-9	JN8750000	3020
0787	3, 4, 5, 6, 9, 9 - Hexachloro - 1a, 2, 2a, 3, 6, 6a, 7, 7a - octahydro -, (1aalpha, 2ß, 2aalpha, 3ß, 6ß, 6aalpha, 7ß, 7aalpha) - 2, 73, 6 - dimethanonaphth(2, 3 - b) oxirene	60-57-1	IO1750000	2761
0774	1, 2, 3, 4, 10, 10 - Hexachloro - 1, 4, 4a, 5, 8, 8a - hexahydro - exo - 1, 4 - endo - 5, 8 - dimethanonaphthalene	309-00-2	IO2100000	2761
1373	4, 5, 6, 7, 8, 8 - Hexachloro - 3a, 4, 7, 7a - tetrahydro - 4, 7 - methanoisobenzofuran - 1, 3 - dione	115-27-5	RB9080000
0895*	HEXACHLOROBENZENE	118-74-1	DA2975000	2729
0896	1, 1, 2, 3, 4, 4 - Hexachloro - 1, 3 - butadiene	87-68-3	EJ0700000	2279
0896*	HEXACHLOROBUTADIENE	87-68-3	EJ0700000	2279
0795	1 - alpha, 2 - alpha, 3 - beta, 4 - alpha, 5 - beta, 6 - beta - Hexachlorocyclohexane	319-84-6	GV3500000
0796	1 - alpha, 2 - beta, 3 - alpha, 4 - beta, 5 - alpha, 6 - beta - Hexachlorocyclohexane	319-85-7	GV4375000
0795	alpha - 1, 2, 3, 4, 5, 6 - Hexachlorocyclohexane	319-84-6	GV3500000
0795*	alpha - HEXACHLOROCYCLOHEXANE	319-84-6	GV3500000
0796	beta - 1, 2, 3, 4, 5, 6 - Hexachlorocyclohexane	319-85-7	GV4375000
0796*	beta - HEXACHLOROCYCLOHEXANE	319-85-7	GV4375000
0053	gamma - 1, 2, 3, 4, 5, 6 - Hexachlorocyclohexane	58-89-9	GV4900000	2761
0487*	HEXACHLOROCYCLOHEXANE (MIXED ISOMERS)	608-73-1	GV3150000	2761
0487	1, 2, 3, 4, 5, 6 - Hexachlorocyclohexane (mixed isomers)	608-73-1	GV3150000	2761
1373	Hexachloro - endo - methylene tetrahydrophthalic anhydride	115-27-5	RB9080000
1373	1, 4, 5, 6, 7, 7 - Hexachloro - endo - 5 - norbornene - 2, 3 - dicarboxylic anhydride	115-27-5	RB9080000
0787	1, 2, 3, 4, 10, 10 - Hexachloro - 6, 7 - epoxy - 1, 4, 4a, 5, 6, 7, 8, 8a - octahydro - endo - 1, 4 - exo - 5, 8 - dimethanonaphthalene	60-57-1	IO1750000	2761
0051*	HEXACHLOROETHANE	67-72-1	KI4025000
0997*	HEXACHLORONAPHTHALENE	1335-87-1	QJ7350000
0161*	HEXACHLOROPHENE	70-30-4	SM0700000	2875
0742	(1, 4, 5, 6, 7, 7 - Hexachloro - 8, 9, 10 - trinorborn - 5 - en - 2, 3 - ylenebismethylene) sulfite	115-29-7	RB9275000	2761
0025*	1 - HEXADECANETHIOL	2917-26-2
0025	Hexadecane - 1 - thiol	2917-26-2
0530	Hexadecanoic acid	57-10-3	RT4550000
0025	Hexadecyl mercaptan	2917-26-2
1284	Hexa - 2, 4 - dienoic acid	110-44-1	WG2100000
1266*	HEXAFLUMURON	86479-06-3	CV3800000
1057*	HEXAFLUOROACETONE	684-16-2	UC2450000	2420
1436	1, 1, 1, 3, 3, 3 - Hexafluoro - 2 - (fluoromethoxy) propane	28523-86-6	KO0737000
1057	1, 1, 1, 3, 3, 3 - Hexafluoro - 2 - propanone	684-16-2	UC2450000	2420
1233	Hexafluorosilicic acid	16961-83-4	VV8225000	1778
0892	Hexahydric alcohol	50-70-4	LZ4290000
1376*	HEXAHYDRO - 4 - METHYLPHTHALIC ANHYDRIDE	19438-60-9
0245	Hexahydroaniline	108-91-8	GX0700000	2357
0118	Hexahydro - 2H - azepin - 2 - one	105-60-2	CM3675000
0242	Hexahydrobenzene	110-82-7	GU6300000	1145
0292	Hexahydrocresol	25639-42-3	GW0175000	2617
0334	(1, 3, 4, 5, 6, 7 - Hexahydro - 1, 3 - dioxo - 2H - isoindol - 2 - yl) methyl 2, 2 - dimethyl - 3 - (2 - methyl - 1 - propenyl) cyclopropanecarboxylate	7696-12-0	GZ172 000
0335	(1, 3, 4, 5, 6, 7 - Hexahydro - 1, 3 - dioxo - 2H - isoindol - 2 - yl) methyl 2, 2 - dimethyl - 3 - (2 - methyl - 1 - propenyl) cyclopropanecarboxylate	7696-12-0	GZ1730000
1376	Hexahydro - 5 - methyl - 1, 3 - isobenzofurandione	19438-60-9
0294	2 - Hexahydromethylphenol	583-59-5	GW0220000	2617
0295	3 - Hexahydromethylphenol	591-23-1	GW0200000
0296	4 - Hexahydromethylphenol	589-91-3
0292	Hexahydromethylphenol	25639-42-3	GW0175000	2617
0295	m - Hexahydromethylphenol	591-23-1	GW0200000
0294	o - Hexahydromethylphenol	583-59-5	GW0220000	2617
0296	p - Hexahydromethylphenol	589-91-3
0243	Hexahydrophenol	108-93-0	GV7875000
1032	Hexahydropirazine	110-85-0	TK7800000	2579
0317	Hexahydropyridine	110-89-4	TM3500000	2401
0923	Hexahydrotoluene	108-87-2	GV6125000	2296
0243	Hexalin	108-93-0	GV7875000
0426	Hexalin acetate	622-45-7	AG5075000	2243
0242	Hexamethylene	110-82-7	GU6300000	1145
0659*	HEXAMETHYLENEDIAMINE	124-09-4	MO1180000	2280
0278	1, 6 - Hexamethylene diisocyanate	822-06-0	MO1740000	2281
0278*	HEXAMETHYLENE DIISOCYANATE	822-06-0	MO1740000	2281
0491	Hexamethylene glycol	629-11-8	MO2100000
1228*	HEXAMETHYLENETETRAMINE	100-97-0	MN4725000	1328
0162	Hexamethylphosphamide	680-31-9	TD0875000
0162	Hexamethylphosphoramide	680-31-9	TD0875000
0162*	HEXAMETHYLPHOSPHORIC TRIAMIDE	680-31-9	TD0875000
1228	Hexamine	100-97-0	MN4725000	1328
1443	1 - Hexanamine	111-26-2	MQ454000	2734
0242	Hexanaphthene	110-82-7	GU6300000	1145
1054	Hexanaphthylene	110-83-8	GW2500000	2256
0279*	n - HEXANE	110-54-3	MN9275000	1208
0659	1, 6 - Hexanediamine	124-09-4	MO1180000	2280
0369	Hexanedioic acid	124-04-9	AU8400000
0491*	1, 6 - HEXANEDIOL	629-11-8	MO2100000
0280*	2, 5 - HEXANEDIOL	2935-44-6	MO2275000
1523*	n - HEXANETHIOL	111-31-9	MO4550000	3336
1167*	HEXANOIC ACID	142-62-1	MO5250000	2829
1084*	1 - HEXANOL	111-27-3	MQ4025000
0488*	2 - HEXANOL	626-93-7	MO8470000	2282
1084	n - Hexanol	111-27-3	MQ4025000
0489*	2 - HEXANONE	591-78-6	MP1400000	1224
0490*	1 - HEXENE	592-41-6	MP6670000	2370
0490	Hex - 1 - ene	592-41-6	MP6670000	2370
0511	Hexone	108-10-1	SA9275000	1245
1571	n - Hexyglycol	112-25-4	KL2450000
1335*	sec - HEXYL ACETATE	108-84-9	SA7525000	1233
1288*	n - HEXYL ACRYLATE	2499-95-8	AT1450000
1084	Hexyl alcohol	111-27-3	MQ4025000
1084	n - Hexyl alcohol	111-27-3	MQ4025000
0488	sec - Hexyl alcohol	626-93-7	MO8470000	2282
1443*	HEXYLAMINE	111-26-2	MQ454000	2734
1443	n - Hexylamine	111-26-2	MQ454000	2734
1572	Hexyl carbitol	112-59-4	KL2625000
0490	Hexylene	592-41-6	MP6670000	2370
0660*	HEXYLENE GLYCOL	107-41-5	SA0810000
0279	Hexyl hydride	110-54-3	MN9275000	1208
1523	Hexyl mercaptan	111-31-9	MO4550000	3336
1170	Hexylmethylcarbinol	123-96-6	RH0795000
1571	2 - (Hexyloxy) ethanol	112-25-4	KL2450000
1572	2 - (2 - Hexyloxyethoxy) ethanol	112-59-4	KL2625000
1288	Hexyl 2 - propenoate	2499-95-8	AT1450000
1523	1 - Hexylthiol	111-31-9	MO4550000	3336
1281	HFC 134a	811-97-2	KI8842500	3159
0774	HHDN	309-00-2	IO2100000	2761
0659	HMD(A)	124-09-4	MO1180000	2280
0278	HMDI	822-06-0	MO1740000	2281
0162	HMPA	680-31-9	TD0875000
1575	HMX	2691-41-0		226 (
1144	Hydrated aluminium silicate	1332-58-7	GF1670500
0408	Hydrated lime	1305-62-0	EW2800000
1425	Hydraulic cement	65997-15-1	VV8770000
0281*	HYDRAZINE	302-01-2	MU7175000	2029
0938	Hydrazinobenzene	100-63-0	MV8925000	2572
0263	Hydrazobenzene	122-66-7	MW2625000
0282	Hydrobromic acid	10035-10-6	MW3850000	1048
0163	Hydrochloric acid, anhydrous	7647-01-0	MW4025000	1050
0492	Hydrocyanic acid	74-90-8	MW6825000	1051
0671	Hydrocyanic acid, potassium salt	151-50-8	TS8750000	1680
1118	Hydrocyanic acid, sodium salt	143-33-9	VZ7525000	1689
1040	Hydrofluoboric acid	16872-11-0	ED2685000	1775
0283	Hydrofluoric acid, anhydrous	7664-39-3	MW7875000	1052
0001*	HYDROGEN	1333-74-0	MW8900000	1049
0776	Hydrogen antimonide	7803-52-3	WJ0700000	2676
0222	Hydrogen arsenide	7784-42-1	CG6475000	2188
1249	Hydrogenated diphenylbenzenes	61788-32-7	WZ6535000
1249	Hydrogenated phenylbiphenyls	61788-32-7	WZ6535000
1249*	HYDROGENATED TERPHENYLS (40% HYDROGENATED)	61788-32-7	WZ6535000
0282*	HYDROGEN BROMIDE	10035-10-6	MW3850000	1048
0485	Hydrogen carboxylic acid	64-18-6	LQ4900000	1779
0163*	HYDROGEN CHLORIDE	7647-01-0	MW4025000	1050
0424	Hydrogen cyanamide	420-04-2	GS5950000	3276
0492*	HYDROGEN CYANIDE, LIQUEFIED	74-90-8	MW6825000	1051
0164	Hydrogen dioxide	7722-84-1	See Notes	2015
0283*	HYDROGEN FLUORIDE	7664-39-3	MW7875000	1052
1326*	HYDROGEN IODIDE	10034-85-2	MW3760000	2197
0164*	HYDROGEN PEROXIDE (>60% SOLUTION IN WATER)	7722-84-1	See Notes	2015
0694	Hydrogen phosphide	7803-51-2	SY7525000	2199
0284*	HYDROGEN SELENIDE	7783-07-5	MX1050000	2202
0165*	HYDROGEN SULFIDE	7783-06-4	MX1225000	1053
1040	Hydrogen tetrafluoroborate	16872-11-0	ED2685000	1775
1006	Hydronium perchlorate	7601-90-3	SC7500000	1873
0164	Hydroperoxide	7722-84-1	See Notes	2015
0761	Hydroperoxide, 1 - methyl - 1 - phenylethyl	80-15-9	MX2450000	3107
0842	2 - Hydroperoxy - 2 - methylpropane	75-91-2	EQ4900000	3109
0166	Hydroquinol	123-31-9	MX3500000	2662
0166*	HYDROQUINONE	123-31-9	MX3500000	2662
1297	Hydroquinone dimethyl ether	150-78-7	CZ6650000
1097	Hydroquinone monomethyl ether	150-76-5	SL7700000
1233	Hydrosilicofluoric acid	16961-83-4	VV8225000	1778
1330	4 - Hydroxyacetanilide	103-90-2	AE4200000
1537*	HYDROXYACETIC ACID	79-14-1	MC5250000	3261
1427	Hydroxyacetonitrile	107-16-4	AM0350000	3276
0824	o - Hydroxyaniline	95-55-6	SJ4950000	2512
1097	p - Hydroxyanisole	150-76-5	SL7700000
0070	Hydroxybenzene	108-95-2	SJ3325000	1671
0563	2 - Hydroxybenzoic acid	69-72-7	VO0525000
0563	o - Hydroxybenzoic acid	69-72-7	VO0525000
1505	o - Hydroxybenzoic acid, methyl ester	119-36-8	VO4725000
0669	2 - Hydroxybiphenyl	90-43-7	DV5775000
0637	1 - Hydroxy - 4 - tert - butylbenzene	98-54-4	SJ8925000	2430
0849	2 - Hydroxychlorobenzene	95-57-8	SK2625000	2021
0150	3 - Hydroxychlorobenzene	108-43-0	SK2450000	2020
0850	4 - Hydroxychlorobenzene	106-48-9	SK2800000	2020
0439	1 - Hydroxy - 2, 5 - dichlorobenzene	583-78-8	SK8600000	2020
0440	1 - Hydroxy - 3, 5 - dichlorobenzene	591-35-5	SK8820000	2020
0900	4 - Hydroxy - 3, 5 - diiodobenzonitrile	1689-83-4	DI4025000	2588
0458	1 - Hydroxy - 2.4 - dimethylbenzene	105-67-9	ZE5600000	2261
1356	1 - Hydroxy - 3, 5 - dimethylbenzene	108-68-9	ZE6475000	2261
0601	Hydroxydimethylbenzene	1300-71-6	ZE5425000	2261
0464	1 - Hydroxy - 2, 4 - dinitrobenzene	51-28-5	SL2800000	1320
1214	2 - Hydroxy - 1, 2 - diphenylethanone	119-53-9	DI1590000
0916	2 - Hydroxyethanethiol	60-24-2	KL5600000	2966
1537	Hydroxyethanoic acid	79-14-1	MC5250000	3261
0152	2 - Hydroxyethylamine	141-43-5	KJ5775000	2491
1559	2 - Hydroxyethyl cellulose	9004-62-0	FJ5958000
1559*	HYDROXYETHYLCELLULOSE	9004-62-0	FJ5958000
1336	(2 - Hydroxyethyl) methylamine	109-83-1	KL6650000
0853	(2 - Hydroxyethyl) trimethylammonium chloride	67-48-1	KH2975000
1082	1 - Hydroxyheptane	111-70-6	MK0350000	2810
1083	2 - Hydroxyheptane	543-49-7	MJ2975000
1084	1 - Hydroxyhexane	111-27-3	MQ4025000
0611	p - Hydroxyisobutyronitrile	75-86-5	OD9275000	1541
0647	4 - Hydroxy - 2 - keto - 4 - methylpentane	123-42-2	SA9100000	1148
0661*	HYDROXYLAMINE	7803-49-8	NC2975000
0709*	HYDROXYLAMINE HYDROCHLORIDE	5470-11-1	NC3675000
0709	Hydroxylaminium chloride	5470-11-1	NC3675000
0709	Hydroxylammonium chloride	5470-11-1	NC3675000
1528	bis(4 - Hydroxy - N - methylanilinium) sulfate	55-55-0	SL8650000	3077
0646	1 - Hydroxy - 3 - methylbenzene	108-39-4	GO6125000	2076
0030	2 - Hydroxy - 1 - methylbenzene	95-48-7	GO6300000	2076
0031	4 - Hydroxy - 1 - methylbenzene	106-44-5	GO6475000	2076
0794	2 - Hydroxymethylfuran	98-00-0	LU9100000	2874
1159	2 - Hydroxymethyl oxolane	97-99-4	LU2450000
0647	4 - Hydroxy - 4 - methyl - 2 - pentanone	123-42-2	SA9100000	1148
0647	4 - Hydroxy - 4 - methylpentan - 2 - one	123-42-2	SA9100000	1148
0611	2 - Hydroxy - 2 - methyl propionitrile	75-86-5	OD9275000	1541
0719	2 - Hydroxynaphthalene	135-19-3	QL2975000	3077
0066	4 - Hydroxynitrobenzene	100-02-7	SM2275000	1663
1030	1 - Hydroxyoctane	111-87-5	RH6550000
1170	2 - Hydroxy - n - octane	123-96-6	RH0795000
0821	4 - Hydroxy - 3 - (3 - oxo - 1 - phenylbutyl) - 2H - 1 - benzopyran - 2 - one	81-81-2	GN4550000	3027
1033	3 - Hydroxyphenol	108-46-3	VG9625000	2876
1214	2 - Hydroxy - 2 - phenylacetophenone	119-53-9	DI1590000
1345	1 - (p - Hydroxyphenyl) octane	1806-26-4	SM5787000	2430
1524	3 - Hydroxy - 1 - propanesulphonic acid sultone	1120-71-4	RP5425000	2811
0855	2 - Hydroxy - 1, 2, 3 - propanetricarboxylic acid	77-92-9	GE7350000
0704	2 - Hydroxy - 1, 2, 3 - propanetricarboxylic acid monohydrate	5949-29-1	GE7810000
1218	2 - Hydroxy - 1, 2, 3 - propanetricarboxylic acid, trisodium salt, anhydrous	68-04-2	GE8300000
1219	2 - Hydroxy - 1, 2, 3 - propanetricarboxylic acid, trisodium salt, dihydrate	6132-04-3
1220	2 - Hydroxy - 1, 2, 3 - propanetricarboxylic acid, trisodium salt, pentahydrate	6858-44-2
0501	2 - Hydroxypropanoic acid	50-21-5	OD2800000
0095	3 - Hydroxypropene	107-18-6	BA5075000	1098
0501	alpha - Hydroxypropionic acid	50-21-5	OD2800000
1026	3 - Hydroxypropionitrile	109-78-4	MU5250000
1348	2 - (2 - (2 - Hydroxypropoxy) propoxy) - 1 - propanol	24800-44-0	YK6825000
0899*	2 - HYDROXYPROPYL ACRYLATE	999-61-1	AT1925000	1760
0899	beta - Hydroxypropyl acrylate	999-61-1	AT1925000	1760
0159	3 - Hydroxypropylene oxide	556-52-5	UB4375000	2810
1267	4 - Hydroxy - 3 - (1, 2, 3, 4 - tetrahydro - 3 - (4 - (4 - trifluoromethylbenzyloxy) phenyl) - 1 - naphthyl) coumarin	90035-08-8	DJ3100300	3027
1267	4 - Hydroxy - 3 - (1, 2, 3, 4 - tetrahydro - 3 - (4 - ((4 - (trifluoromethyl) phenyl) methoxy) phenyl) - 1 - naphthalenyl) - 2H - 1 - benzopyran - 2 - one	90035-08-8	DJ3100300	3027
0646	3 - Hydroxytoluene	108-39-4	GO6125000	2076
0833	alpha - Hydroxytoluene	100-51-6	DN3150000
0030	ortho - Hydroxytoluene	95-48-7	GO6300000	2076
0031	para - Hydroxytoluene	106-44-5	GO6475000	2076
0855	beta - Hydroxytricarballylic acid	77-92-9	GE7350000
0589	1 - Hydroxy - 2, 3, 5 - trichlorobenzene	933-78-8		2020
0590	1 - Hydroxy - 2, 3, 6 - trichlorobenzene	933-75-5	SN1300000	2020
0879	1 - Hydroxy - 2, 4, 5 - trichlorobenzene	95-95-4	SN1400000	2020
0853	2 - Hydroxy - N, N, N - trimethylethanaminium chloride	67-48-1	KH2975000
1283	Hydroxytriphenylstannane	76-87-9	WH8575000	2786
1283	Hydroxytriphenylstannate	76-87-9	WH8575000	2786
0067	Hyponitrous acid anhydride	10024-97-2	QX1350000	1070