231
Pipeline and Haz. Matls. Safety Admin., DOT
ยง
172.101
Hydrofluoroboric acid, see
Fluoroboric acid
Hydrofluorosilicic acid, see
Fluorosilicic acid
Hydrogen and Methane mixtures,
compressed
2.1 UN2034
2.1
N89 306
302
302,
314,
315
Forbidden
150 kg
E
40, 57
Hydrogen bromide, anhydrous
2.3 UN1048
2.3, 8
3, B14, N86, N89 None
304
314,
315
Forbidden Forbidden D
40
Hydrogen chloride, anhydrous
2.3 UN1050
2.3, 8
3, N86, N89 None
304
None
Forbidden
Forbidden
D
40
Hydrogen chloride, refrigerated liq-
uid
2.3 UN2186
2.3, 8
3, B6 None
None
314,
315
Forbidden Forbidden B
40
Hydrogen, compressed
2.1 UN1049
2.1
N89 306
302
302,
314
Forbidden
150 kg
E
40, 57
Hydrogen cyanide, solution in alco-
hol
with not more than 45 percent
hydrogen cyanide
6.1 UN3294
I
6.1, 3
2, B9, B14, B32, T20,
TP2, TP13, TP38, TP45
None 227
244 Forbidden
Forbidden D
40
Hydrogen cyanide, stabilized
with
less than 3 percent water
6.1 UN1051
I
6.1, 3
1, 387, B35, B61, B65,
B77, B82
None 195
244 Forbidden
Forbidden D 25,
40
Hydrogen cyanide, stabilized,
with
less than 3 percent water and ab-
sorbed in a porous inert material
6.1 UN1614
I 6.1
5,
387 None
195
None
Forbidden Forbidden
D
25,
40
Hydrogen fluoride, anhydrous
8 UN1052
I
8.6.1
3, B7, B46, B77, N86,
T10, TP2
None 163
244 Forbidden
Forbidden D
40
Hydrogen in a metal hydride stor-
age system
or
Hydrogen in a
metal hydride storage system
contained in equipment
or
Hydro-
gen in a metal hydride storage
system packed with equipment
2.1 UN3468 ......
2.1
167 None
311
None
Forbidden
100
kg
D
Hydrogen iodide, anhydrous
2.3 UN2197
2.3, 8
3, B14, N86, N89 None
304
314,
315
Forbidden Forbidden D
40
Hydrogen iodide solution,
see Hy-
driodic acid
Hydrogen peroxide and peroxy-
acetic acid mixtures, stabilized
with acids, water, and not more
than 5 percent peroxyacetic acid
5.1 UN3149
II
5.1, 8
145, A2, A3, A6, B53,
IB2, IP5, T7, TP2, TP6,
TP24
None
202
243
1 L
5 L
D
25, 66,
75.
Hydrogen, peroxide, aqueous solu-
tions
with more than 40 percent
but not more than 60 percent hy-
drogen peroxide (stabilized as
necessary)
5.1 UN2014
II
5.1, 8
12, A60, B53, B80, B81,
B85, IB2, IP5, T7, TP2,
TP6, TP24, TP37
None 202
243 Forbidden
Forbidden D 25,
66,
75
Hydrogen peroxide, aqueous solu-
tions
with not less than 20 per-
cent but not more than 40 per-
cent hydrogen peroxide (sta-
bilized as necessary)
5.1 UN2014
II
5.1, 8
A2, A3, A6, B53, IB2,
IP5, T7, TP2, TP6,
TP24, TP37
None
202
243
1 L
5 L
D
25, 66,
75.
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