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