☣️ UN 1617 • CLASS 6
UN 1617 — Lead arsenates
Placard: Toxic. ERG Guide 151. 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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UN 1617 Quick Details
UN 1617
Product name: Lead arsenates
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill/leak area 25-50m in all directions; for large spills consider initial evacuation 100m downwind
Common Hazards of UN 1617
- Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
- 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
- Containers may explode when heated.
- Runoff may pollute waterways.
Chemical Identity & Physical Properties
| Also known as | lead hydrogen arsenateacid lead arsenatelead orthoarsenateplumbous arsenatestandard lead arsenate |
| Appearance | White to gray or tan crystalline powder or granular solid. Odorless. Insoluble in water. |
| Flash Point | Not applicable (non-combustible solid) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction; insoluble in water but toxic contamination of water sources is a major concern |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 1617
Extinguishing Media
Dry chemical, CO2, water spray for adjacent fires; material itself is non-combustible
PPE Requirements
⚠️ Level B minimum with full face respirator; Level A if dust concentrations are high; SCBA required; chemical-resistant suit, gloves, boots mandatory
Isolation & Evacuation
ERG 151: isolate spill/leak area 25-50m in all directions; for large spills consider initial evacuation 100m downwind
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 1617 Incident
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- 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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📋 Copy & Share Field Card
UN 1617 — Lead arsenatesHAZMAT RADIO NOTE — UN 1617
Product: Lead arsenates
Class 6 / Toxic / ERG 151
PPE: Level B minimum with full face respirator; Level A if dust concentrations are high; SCBA required; chemical-resistant suit, gloves, boots mandatory
ISOLATION: ERG 151: isolate spill/leak area 25-50m in all directions; for large spills consider initial evacuation 100m downwind
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 1617 — Lead arsenates
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: White to gray or tan crystalline powder or granular solid. Odorless. Insoluble in water.
Water Reactivity: No significant reaction; insoluble in water but toxic contamination of water sources is a major concern
Extinguishing: Dry chemical, CO2, water spray for adjacent fires; material itself is non-combustible
PPE: Level B minimum with full face respirator; Level A if dust concentrations are high; SCBA required; chemical-resistant suit, gloves, boots mandatory
Isolation: ERG 151: isolate spill/leak area 25-50m in all directions; for large spills consider initial evacuation 100m downwind
— Key Hazards —
• Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
• Avoid any skin contact.
• Fire may produce irritating, corrosive and/or toxic gases.
— 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.
• Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
SOURCE: allfirefighter.com/hazmat/un/1617 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1617 Lead arsenates Cls6 ERG151 | ERG 151: isolate spill/leak area 25-50m in all directions; for large spills cons | allfirefighter.com/hazmat/un/1617SMS / 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/1617
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Frequently Asked Questions about UN 1617
Highly toxic, may be fatal if inhaled, ingested or absorbed through skin. 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 Containers may explode when heated. Runoff may pollute waterways.
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 face respirator; Level A if dust concentrations are high; SCBA required; chemical-resistant suit, gloves, boots mandatory
Water reactivity: No significant reaction; insoluble in water but toxic contamination of water sources is a major concern. Recommended extinguishing: Dry chemical, CO2, water spray for adjacent fires; material itself is non-combustible.
ERG Guide 151 recommendation: ERG 151: isolate spill/leak area 25-50m in all directions; for large spills consider initial evacuation 100m downwind
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 151 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.