☣️ UN 3317 • CLASS 4

2-Amino-4,6-dinitrophenol, wetted with not less than 20% water

Placard: Flammable Solid. 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 3317
Class: 4
Placard type: Flammable Solid
ERG: Guide 113 (check current ERG)
Isolation: ERG 113: isolate spill area at least 25m in all directions; if material dry or fire involved, treat as explosive and increase isolation significantly
Chemical & Response Details
Also known as2-Amino-4,6-dinitrophenolPicramideADNP2-Amino-4,6-dinitroresorcinol
CAS Number96-91-3
AppearanceYellow to orange crystalline solid; odorless or slight aromatic odor when pure; shipped wetted with minimum 20% water to reduce explosion risk.
Flash PointNot applicable (wetted solid)
Boiling PointDecomposes before boiling
Vapor DensityNot applicable (solid)
Water ReactivityNo significant reaction; water used as desensitizing agent
ExtinguishingWater spray to keep containers cool; do not use dry chemicals that may cause drying
PPE⚠️ Level B minimum; full protective clothing, SCBA required; avoid friction and shock
IsolationERG 113: isolate spill area at least 25m in all directions; if material dry or fire involved, treat as explosive and increase isolation significantly
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
  • Flammable/combustible material.
  • May be ignited by heat, sparks or flames.
  • DRIED OUT material may explode if exposed to heat, flame, friction or shock; treat as an
  • Keep material wet with water or treat as an explosive (GUIDE 112).
  • Runoff to sewer may create fire or explosion hazard.
  • Some are toxic and may be fatal if inhaled, ingested or absorbed through skin. Specifically,
  • Contact may cause burns to skin and eyes.
  • Fire may produce irritating, corrosive and/or toxic gases.
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 immediately for at least 100 meters (330 feet) in all directions.
  • Consider initial evacuation for 500 meters (1/3 mile) in all directions.
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UN 3317 — 2-Amino-4,6-dinitrophenol, wetted with n
HAZMAT RADIO NOTE — UN 3317 Product: 2-Amino-4,6-dinitrophenol, wetted with not less than 20% water Class 4 / Flammable Solid / ERG 113 PPE: Level B minimum; full protective clothing, SCBA required; avoid friction and shock ISOLATION: ERG 113: isolate spill area at least 25m in all directions; if material dry or fire involved, treat as explosive and increase isolation significantly ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO

Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.

SMS WhatsApp
=== IC HAZMAT BRIEFING === UN 3317 — 2-Amino-4,6-dinitrophenol, wetted with not less than 20% water Class: 4 | Placard: Flammable Solid | ERG Guide: 113 Appearance: Yellow to orange crystalline solid; odorless or slight aromatic odor when pure; shipped wetted with minimum 20% water to reduce explosion risk. Water Reactivity: No significant reaction; water used as desensitizing agent Extinguishing: Water spray to keep containers cool; do not use dry chemicals that may cause drying PPE: Level B minimum; full protective clothing, SCBA required; avoid friction and shock Isolation: ERG 113: isolate spill area at least 25m in all directions; if material dry or fire involved, treat as explosive and increase isolation significantly — Key Hazards — • Flammable/combustible material. • May be ignited by heat, sparks or flames. • DRIED OUT material may explode if exposed to heat, flame, friction or shock; treat as an — 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/3317 | Always use current ERG + SOP/SOGIC BRIEFING

Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.

SMS (short)
UN3317 2-Amino-4,6-dinitrophenol, wetted with not less than 20% water Cls4 ERG113 | allfirefighter.com/hazmat/un/3317SMS / 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/3317
Related UN numbers (same class)
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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FAQ

Flammable/combustible material. May be ignited by heat, sparks or flames. DRIED OUT material may explode if exposed to heat, flame, friction or shock; treat as an Keep material wet with water or treat as an explosive (GUIDE 112). Runoff to sewer may create fire or explosion hazard. Some are toxic and may be fatal if inhaled, ingested or absorbed through skin. Specifically, Contact may cause burns to skin and eyes. Fire may produce irritating, corrosive and/or toxic gases.

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; full protective clothing, SCBA required; avoid friction and shock

No. This is a training/quick-reference aid only. Always consult the current ERG Guide 113 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.