HazMat Tool — substance information
Reference only — not a shipping paper, placard mandate, or CVI record.
Lead azide (dry)
HMT 15 June 2026- UN / ID
- —
- Hazard class
- Forbidden
- Packing group
- —
- ERG guide
- —
- Special provisions
- —
- Source
- 49 CFR §172 (15 June 2026)
Lead azide (dry)
Lead ( ) is a chemical element with the symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal, denser than most common materials. Lead is soft, malleable, and has a relatively low melting point. When freshly cut or melted, it appears shiny silvery with a bluish tint, but tarnishes to dull gray on exposure to air Wikipedia
Hazardous Materials Table
Source: 49 CFR §172 (15 June 2026)(3) Hazard classForbidden |
(4) Identification number |
(5) Packing Group |
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(6) Labels — |
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(7) Special Provisions (§172.102)
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(8) Packing Authorizations (§173.***)
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| (8A) Exceptions | — |
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| (8B) Non-bulk | — |
| (8C) Bulk | — |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | — |
|---|---|
| (9B) Cargo aircraft only | — |
(10) Vessel stowage
| (10A) Location | — |
|---|---|
| (10B) Other | — |
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.
This Hazmat is classified as "Forbidden". This means the material may not be offered for transportation or transported in the applicable mode of transport.
Similar substances
| UN / ID | Proper shipping name | Hazard class |
|---|---|---|
| UN 0129 | Lead azide, wetted with not less than 20 percent water or mixture of alcohol and water, by mass | 1.1A |
| UN 0224 | Barium azide, dry or wetted with less than 50 percent water, by mass | 1.1A |
| UN 1571 | Barium azide, wetted with not less than 50 percent water, by mass | 4.1 |
| Hydrazine dicarbonic acid diazide | Forbidden | |
| Copper amine azide | Forbidden | |
| Cyanuric triazide | Forbidden | |
| p-Xylyl diazide | Forbidden |