HazMat Tool — substance information

Sounding devices, explosive

HMT 15 June 2026

UN / ID: UN 0204
Hazard class: 1.2F
Packing group: n/a (multiple — see tabs)
ERG guide: —
Special provisions: —
Source: 49 CFR §172 (15 June 2026)

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Sounding devices, explosive

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

Packing group
Packing group
Packing group

(3) Hazard Class

1.2
Explosives

Compatibility group of explosives - Description of substances or article to be classified

Group: F

Article containing a secondary detonating explosive substance with its means of initiation, with a propelling charge (other than one containing flammable liquid or gel or hypergolic liquid) or without a propelling charge.

Source: 49 CFR §173.52

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	62	see 49 CFR §173.62

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10) Vessel stowage

(10A) Location

Stowage category “03” means the material may be stowed “on deck” in closed cargo transport units or “under deck” on a cargo vessel (up to 12 passengers) but the material is prohibited on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

(3) Hazard Class

1.2
Explosives

(4) Identification number

UN 0375

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

Compatibility group of explosives - Description of substances or article to be classified

Group: D

Secondary detonating explosive substance or black powder or article containing a secondary detonating explosive substance, in each case without means of initiation and without a propelling charge, or article containing a primary explosive substance and containing two or more effective protective features.

Source: 49 CFR §173.52

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	62	see 49 CFR §173.62

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10) Vessel stowage

(10A) Location

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

(3) Hazard Class

1.1
Explosives

(4) Identification number

UN 0374

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

Compatibility group of explosives - Description of substances or article to be classified

Group: D

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	62	see 49 CFR §173.62

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10) Vessel stowage

(10A) Location

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

(3) Hazard Class

1.1
Explosives

(4) Identification number

UN 0296

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

Compatibility group of explosives - Description of substances or article to be classified

Group: F

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	62	see 49 CFR §173.62

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10) Vessel stowage

(10A) Location

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

Packing group comparison

Multiple packing groups apply to this entry. See assignment criteria in 49 CFR §173 Subpart D. Details are in the tabs above; differences are highlighted.

	PG n/a	PG n/a	PG n/a	PG n/a
1
2	Sounding devices, explosive	Sounding devices, explosive	Sounding devices, explosive	Sounding devices, explosive
3	1.2F	1.2D	1.1D	1.1F
4	UN 0204	UN 0375	UN 0374	UN 0296
5	n/a	n/a	n/a	n/a
6	1.2F	1.2D	1.1D	1.1F
7	n/a	n/a	n/a	n/a
8A	None	None	None	None
8B	62	62	62	62
8C	62	62	62	62
9A	Forbidden	Forbidden	Forbidden	Forbidden
9B	Forbidden	Forbidden	Forbidden	Forbidden
10A	03	03	03	03
10B	25	25	25	25

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 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

	Must not be loaded, transported, or stored together in the same vehicle or facility.
	May be loaded, transported, or stored together.
	May be loaded, transported, or stored together only with restrictions.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 3375	Ammonium nitrate emulsion or Ammonium nitrate suspension or Ammonium nitrate gel, intermediate for blasting explosives	5.1
UN 2017	Ammunition, tear-producing, non-explosive, without burster or expelling charge, non-fuzed	6.1
UN 2016	Ammunition, toxic, non-explosive, without burster or expelling charge, non-fuzed	6.1
UN 2028	Bombs, smoke, non-explosive, with corrosive liquid, without initiating device	8
UN 0331	Explosive, blasting, type B or Agent blasting, Type B	1.5D
UN 0332	Explosive, blasting, type E or Agent blasting, type E	1.5D
UN 0482	Substances, explosive, very insensitive, n.o.s. or Substances, EVI, n.o.s.	1.5D
UN 0099	Fracturing devices, explosive, without detonators for oil wells	1.1D
UN 0486	Articles, explosive, extremely insensitive or Articles, EEI	1.6N
UN 0190	Samples, explosive, other than initiating explosives
UN 0445	Charges, explosive, commercial without detonator	1.4S
UN 0444	Charges, explosive, commercial without detonator	1.4D
UN 0443	Charges, explosive, commercial without detonator	1.2D
UN 0442	Charges, explosive, commercial without detonator	1.1D
UN 3379	Desensitized explosive, liquid, n.o.s.	3