☣️ UN 1446 • CLASS 5
Barium nitrate
Placard: Oxidizer. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
Advertisement
Quick details
UN 1446
Class: 5
Placard type: Oxidizer
ERG: Guide 141 (check current ERG)
Verify shipping papers and exact product details; use ERG Guide 141 for initial actions and isolation/evacuation guidance.
Chemical & Response Details
| Also known as | Nitric acid, barium saltBarium dinitrateNitrobariteBarium(II) nitrate |
| CAS Number | 10022-31-8 |
| Appearance | White to transparent crystalline solid or powder, odorless. Soluble in water. |
| Flash Point | Not applicable (oxidizer, non-combustible solid) |
| Boiling Point | Decomposes at 592C (1098F) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | Dissolves in water, no violent reaction. Solution is toxic. |
| Extinguishing | Water spray, dry chemical, CO2. Avoid organic materials that could be oxidized. |
| PPE | ⚠️ Level B minimum; SCBA and chemical protective clothing; avoid dust inhalation |
| Isolation | ERG 141: isolate spill 25-50m; for large spill isolate 100m all directions; evacuate immediate area if fire |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- These substances will accelerate burning when involved in a fire.
- May explode from heat or contamination.
- Some may burn rapidly.
- Some will react explosively with hydrocarbons (fuels).
- May ignite combustibles (wood, paper, oil, clothing, etc.).
- Containers may explode when heated.
- Runoff may create fire or explosion hazard.
- Toxic by ingestion.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
- Consider initial downwind evacuation for at least 100 meters (330 feet).
Copy / share note
MAYDAY / HAZMAT QUICK NOTE UN 1446 — Barium nitrate Class: 5 | Placard: Oxidizer ERG: Guide 141 (check current ERG) FIRST ACTIONS: use SOP/SOG + ERG; stage upwind; isolate; deny entry; request Hazmat.
Advertisement
FAQ
These substances will accelerate burning when involved in a fire. May explode from heat or contamination. Some may burn rapidly. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard. Toxic by ingestion.
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level B minimum; SCBA and chemical protective clothing; avoid dust inhalation
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 141 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles. This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.