☣️ UN 2570 • CLASS 6
Cadmium compound
Placard: Toxic. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
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⚠️ 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.
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Quick details
UN 2570
Class: 6
Placard type: Toxic
ERG: Guide 154 (check current ERG)
Isolation: ERG 154: Initial isolation 25m all directions; protective action distance 0.8km downwind (daytime large spill); greater distances if fire involves material due to toxic fume generation
Chemical & Response Details
| Also known as | Cadmium saltsCadmium compounds NOSCadmium derivativesCadmium chemicals |
| Appearance | Appearance varies by specific compound: typically white to yellow crystalline solids or powders. Most are odorless. Some compounds may be hygroscopic. |
| Flash Point | Not applicable (inorganic solid compounds) |
| Boiling Point | Varies by compound; many decompose before boiling (e.g., CdO decomposes ~900°C) |
| Vapor Density | Not applicable (solid compounds, though some may release toxic fumes when heated) |
| Water Reactivity | Generally stable in water, though some compounds are water-soluble and may hydrolyze; no violent reaction expected |
| Extinguishing | Dry chemical, soda ash, lime; avoid generating dust during suppression |
| PPE | ⚠️ Level B minimum with full respiratory protection; SCBA mandatory due to extreme inhalation toxicity; impervious suit required to prevent any skin contact; decontamination critical |
| Isolation | ERG 154: Initial isolation 25m all directions; protective action distance 0.8km downwind (daytime large spill); greater distances if fire involves material due to toxic fume generation |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury
- Contact with molten substance may cause severe burns to skin and eyes.
- Avoid any skin contact.
- Fire may produce irritating, corrosive and/or toxic gases.
- Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental
- Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive
- Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.).
- Corrosives in contact with metals may evolve flammable hydrogen gas.
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
- For highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.
- For non-highlighted materials: increase the immediate precautionary measure distance, in the downwind
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UN 2570 — Cadmium compound HAZMAT RADIO NOTE — UN 2570
Product: Cadmium compound
Class 6 / Toxic / ERG 154
PPE: Level B minimum with full respiratory protection; SCBA mandatory due to extreme inhalation toxicity; impervious suit required to prevent any skin contact; decontamination critical
ISOLATION: ERG 154: Initial isolation 25m all directions; protective action distance 0.8km downwind (daytime large spill); greater distances if fire involves material due to toxic fume generation
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 2570 — Cadmium compound
Class: 6 | Placard: Toxic | ERG Guide: 154
Appearance: Appearance varies by specific compound: typically white to yellow crystalline solids or powders. Most are odorless. Some compounds may be hygroscopic.
Water Reactivity: Generally stable in water, though some compounds are water-soluble and may hydrolyze; no violent reaction expected
Extinguishing: Dry chemical, soda ash, lime; avoid generating dust during suppression
PPE: Level B minimum with full respiratory protection; SCBA mandatory due to extreme inhalation toxicity; impervious suit required to prevent any skin contact; decontamination critical
Isolation: ERG 154: Initial isolation 25m all directions; protective action distance 0.8km downwind (daytime large spill); greater distances if fire involves material due to toxic fume generation
— Key Hazards —
• TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury
• Contact with molten substance may cause severe burns to skin and eyes.
• Avoid any skin contact.
— First Actions —
• 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.
SOURCE: allfirefighter.com/hazmat/un/2570 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2570 Cadmium compound Cls6 ERG154 | ERG 154: Initial isolation 25m all directions; protective action distance 0.8km | allfirefighter.com/hazmat/un/2570SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/2570
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FAQ
TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Corrosives in contact with metals may evolve flammable hydrogen gas.
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 with full respiratory protection; SCBA mandatory due to extreme inhalation toxicity; impervious suit required to prevent any skin contact; decontamination critical
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 154 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.