HazMat Tool — substance information Reference only — not a shipping paper, placard mandate, or CVI record.

Detonators, electric, for blasting

HMT 15 June 2026

UN / ID: UN 0255
Hazard class: 1.4B
Packing group: — (multiple — see tabs)
ERG guide: —
Special provisions: SP 148
Source: 49 CFR §172 (15 June 2026)

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Detonators, electric, for blasting

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

Packing group
Packing group

(3) Hazard class

1.4
Explosives

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

Group: B

Article containing a primary explosive substance and not containing two or more effective protective features. Some articles, such as detonators for blasting, detonator assemblies for blasting and primers, cap-type, are included, even though they do not contain primary explosives.

Source: 49 CFR §173.52

Cargo Aircraft Only (Cargo Aircraft Only)

(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.

148	For domestic transportation, this entry directs to § 173.66 of this subchapter for: a. The standards for transporting a single bulk hazardous material for blasting by cargo tank motor vehicles (CTMV); and b. The standards for CTMVs capable of transporting multiple hazardous materials for blasting in bulk and non-bulk packagings (i.e., a multipurpose bulk truck). Note: “UN3375, Ammonium nitrate emulsion” and “UN0332, Explosive, blasting, type E or Agent blasting, type E” are subject to the United Nations (UN) Test Series 8(d) (UN/SCETDG/55/INF.27) (IBR, see § 171.7 of this subchapter), otherwise known as the Vented Pipe Test (VPT). Browse special provision 148

(8) Packing Authorizations (§173.***)

(8A) Exceptions	63(f), 63(g)	see 49 CFR §173.63(f), 63(g)
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	75 kg

(10) Vessel stowage

(10A) Location

Stowage category “05” means the material may be stowed “on deck” in closed cargo transport units 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

1.1
Explosives

(4) Identification number

UN 0030

(5) Packing Group

—

Comparison View of PG

(6) Labels