Metal hydrides, flammable, n.o.s

Data from the Hazardous Materials Table

Source: 49 CFR §172 (2018/07)

Packing Group II
Packing Group III

(3) Hazard Class

(7) Special Provisions (§172.102)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

A1	Single packagings are not permitted on passenger aircraft. Browse special provision A1
IB4	Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N). Browse special provision IB4
T3	see 49 CFR §172.102
TP33	The portable tank instruction assigned for this substance applies for granular and powdered solids and for solids which are filled and discharged at temperatures above their melting point which are cooled and transported as a solid mass. Solid substances transported or offered for transport above their melting point are authorized for transportation in portable tanks conforming to the provisions of portable tank instruction T4 for solid substances of packing group III or T7 for solid substances of packing group II, unless a tank with more stringent requirements for minimum shell thickness, maximum allowable working pressure, pressure-relief devices or bottom outlets are assigned in which case the more stringent tank instruction and special provisions shall apply. Filling limits must be in accordance with portable tank special provision TP3. Solids meeting the definition of an elevated temperature material must be transported in accordance with the applicable requirements of this subchapter. Browse special provision TP33
W31	see 49 CFR §172.102
W40	see 49 CFR §172.102

(8) Packing Authorizations (§173.***)

(8A) Exceptions	151	see 49 CFR §173.151
(8B) Non-bulk	212	see 49 CFR §173.212
(8C) Bulk	240	see 49 CFR §173.240

(9) Quantity Limits

(9A) Passenger aircraft/rail	15 kg
(9B) Cargo aircraft only	50 kg

(10) Vessel stowage

(10A) Location	E Stowage category “E” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length, but is prohibited from carriage on a passenger vessel in which the limiting number of passengers is exceeded. Source: 49 CFR §172.101(k)
(10B) Other	n/a

(3) Hazard Class

4.1
Flammable solids

(4) Identification number

UN 3182

(5) Packing Group

III

Comparison View of PG

(6) Labels

(7) Special Provisions (§172.102)

A1	Single packagings are not permitted on passenger aircraft. Browse special provision A1
IB4	Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N). Browse special provision IB4
T1	see 49 CFR §172.102
TP33	The portable tank instruction assigned for this substance applies for granular and powdered solids and for solids which are filled and discharged at temperatures above their melting point which are cooled and transported as a solid mass. Solid substances transported or offered for transport above their melting point are authorized for transportation in portable tanks conforming to the provisions of portable tank instruction T4 for solid substances of packing group III or T7 for solid substances of packing group II, unless a tank with more stringent requirements for minimum shell thickness, maximum allowable working pressure, pressure-relief devices or bottom outlets are assigned in which case the more stringent tank instruction and special provisions shall apply. Filling limits must be in accordance with portable tank special provision TP3. Solids meeting the definition of an elevated temperature material must be transported in accordance with the applicable requirements of this subchapter. Browse special provision TP33
W31	see 49 CFR §172.102

(8) Packing Authorizations (§173.***)

(8A) Exceptions	151	see 49 CFR §173.151
(8B) Non-bulk	213	see 49 CFR §173.213
(8C) Bulk	240	see 49 CFR §173.240

(9) Quantity Limits

(9A) Passenger aircraft/rail	25 kg
(9B) Cargo aircraft only	100 kg

(10) Vessel stowage

(10A) Location	E Stowage category “E” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length, but is prohibited from carriage on a passenger vessel in which the limiting number of passengers is exceeded. Source: 49 CFR §172.101(k)
(10B) Other	n/a

Comparison View of Different Packing Groups

More than one packing group is indicated for this entry. Criteria for assignment see 49 CFR §173 Subpart D. You can find specific details in the tabs above. Differences are highlighted.

	PG II	PG III
1
2	Metal hydrides, flammable, n.o.s	Metal hydrides, flammable, n.o.s
3	4.1	4.1
4	UN 3182	UN 3182
5	II	III
6	4.1	4.1
7	A1, IB4, T3, TP33, W31, W40	A1, IB4, T1, TP33, W31
8A	151	151
8B	212	213
8C	240	240
9A	15 kg	25 kg
9B	50 kg	100 kg
10A	E	E
10B	n/a	n/a

Segregation Chart for Load, Transport, Storage

In this table a statement is contained for each hazard class whether the loading, transport or storage with other hazard classes is allowed, is not permitted or is restricted. The table is based on U.S.-Code 49 CFR §177.848.

Hazard Class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	May not be loaded, transported, or stored together in the same transport vehicle or storage facility.
	Load, transport, storage together is not restricted.
	Load, transport, storage together is allowed under restrictions.

Substances with similar name

UN-Number	Name	Hazard Class
UN 3514	Adsorbed gas, toxic, flammable, n.o.s. Inhalation hazard zone A	2.3
UN 1950	Aerosols, flammable, (each not exceeding 1 L capacity)	2.1
UN 1950	Aerosols, non-flammable, (each not exceeding 1 L capacity)	2.2
UN 0399	Bombs with flammable liquid, with bursting charge	1.1J
UN 3504	Chemical under pressure, flammable, toxic, n.o.s	2.1
UN 1954	Compressed gas, flammable, n.o.s.	2.1
UN 2920	Corrosive liquids, flammable, n.o.s.	8
UN 2921	Corrosive solids, flammable, n.o.s.	8
UN 2623	Firelighters, solid with flammable liquid	4.1
UN 3286	Flammable liquid, toxic, corrosive, n.o.s.	3
UN 1993	Flammable liquids, n.o.s.	3
UN 1992	Flammable liquids, toxic, n.o.s.	3
UN 3180	Flammable solid, corrosive, inorganic, n.o.s.	4.1
UN 3178	Flammable solid, inorganic, n.o.s.	4.1
UN 3176	Flammable solid, organic, molten, n.o.s.	4.1
UN 2925	Flammable solids, corrosive, organic, n.o.s.	4.1
UN 3312	Gas, refrigerated liquid, flammable, n.o.s. (cryogenic liquid)	2.1
	Inflammable, see Flammable
NA 1057	Lighters, non-pressurized, containing flammable liquid,	3
UN 3089	Metal powders, flammable, n.o.s	4.1
UN 3181	Metal salts of organic compounds, flammable, n.o.s	4.1
UN 3399	Organometallic substance, liquid, water-reactive, flammable	4.3
UN 3279	Organophosphorus compound, toxic, flammable, n.o.s.	6.1
UN 2211	Polymeric beads expandable, evolving flammable vapor	9
UN 3132	Water-reactive solid, flammable, n.o.s	4.3