☣️ UN 1827 • CLASS 8
UN 1827 — Stannic chloride, anhydrous
Placard: Corrosive. ERG Guide 137. 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.
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UN 1827 Quick Details
UN 1827
Product name: Stannic chloride, anhydrous
DOT Class: 8
Placard type: Corrosive
ERG Guide: 137 (check current ERG)
Initial isolation: ERG 137: Initial isolation 60m in all directions; protective action distance 0.1km daytime, 0.3km nighttime for small spills; larger spills increase distances significantly
Common Hazards of UN 1827
- CORROSIVE and/or TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance
- Fire will produce irritating, corrosive and/or toxic gases.
- Reaction with water may generate much heat that will increase the concentration of fumes in the air.
- Contact with molten substance may cause severe burns to skin and eyes.
- Runoff from fire control or dilution water may cause environmental contamination.
- EXCEPT FOR ACETIC ANHYDRIDE (UN1715), THAT IS FLAMMABLE, some of these materials may
- May ignite combustibles (wood, paper, oil, clothing, etc.).
- Substance will react with water (some violently), releasing corrosive and/or toxic gases and runoff.
Chemical Identity & Physical Properties
| Also known as | Tin(IV) chlorideTin tetrachlorideTetrachlorostannaneStannic chloride pentahydrate (anhydrous form) |
| CAS Number | 7646-78-8 |
| Appearance | Colorless to slightly yellow fuming liquid with a pungent, acrid odor. Fumes heavily in moist air forming dense white clouds of hydrochloric acid vapor. |
| Flash Point | Not applicable (non-flammable) |
| Boiling Point | 114C (237F) |
| Vapor Density | 9.0 (much heavier than air) |
| Water Reactivity | Reacts violently with water producing heat and corrosive hydrochloric acid fumes; exothermic reaction can be vigorous |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 1827
Extinguishing Media
Dry chemical, carbon dioxide, sand; DO NOT use water or water-based foams
PPE Requirements
⚠️ Level B minimum with full-face SCBA; acid-resistant suit, butyl rubber gloves and boots; full chemical protective clothing for spill response
Isolation & Evacuation
ERG 137: Initial isolation 60m in all directions; protective action distance 0.1km daytime, 0.3km nighttime for small spills; larger spills increase distances significantly
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 137).
First Actions for a UN 1827 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.
- 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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📋 Copy & Share Field Card
UN 1827 — Stannic chloride, anhydrousHAZMAT RADIO NOTE — UN 1827
Product: Stannic chloride, anhydrous
Class 8 / Corrosive / ERG 137
PPE: Level B minimum with full-face SCBA; acid-resistant suit, butyl rubber gloves and boots; full chemical protective clothing for spill response
ISOLATION: ERG 137: Initial isolation 60m in all directions; protective action distance 0.1km daytime, 0.3km nighttime for small spills; larger spills increase distances significantly
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 1827 — Stannic chloride, anhydrous
Class: 8 | Placard: Corrosive | ERG Guide: 137
Appearance: Colorless to slightly yellow fuming liquid with a pungent, acrid odor. Fumes heavily in moist air forming dense white clouds of hydrochloric acid vapor.
Water Reactivity: Reacts violently with water producing heat and corrosive hydrochloric acid fumes; exothermic reaction can be vigorous
Extinguishing: Dry chemical, carbon dioxide, sand; DO NOT use water or water-based foams
PPE: Level B minimum with full-face SCBA; acid-resistant suit, butyl rubber gloves and boots; full chemical protective clothing for spill response
Isolation: ERG 137: Initial isolation 60m in all directions; protective action distance 0.1km daytime, 0.3km nighttime for small spills; larger spills increase distances significantly
— Key Hazards —
• CORROSIVE and/or TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance
• Fire will produce irritating, corrosive and/or toxic gases.
• Reaction with water may generate much heat that will increase the concentration of fumes in the air.
— 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/1827 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1827 Stannic chloride, anhydrous Cls8 ERG137 | allfirefighter.com/hazmat/un/1827SMS / 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/1827
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Frequently Asked Questions about UN 1827
CORROSIVE and/or TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance Fire will produce irritating, corrosive and/or toxic gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Contact with molten substance may cause severe burns to skin and eyes. Runoff from fire control or dilution water may cause environmental contamination. EXCEPT FOR ACETIC ANHYDRIDE (UN1715), THAT IS FLAMMABLE, some of these materials may May ignite combustibles (wood, paper, oil, clothing, etc.). Substance will react with water (some violently), releasing corrosive and/or toxic gases and runoff.
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 SCBA; acid-resistant suit, butyl rubber gloves and boots; full chemical protective clothing for spill response
Water reactivity: Reacts violently with water producing heat and corrosive hydrochloric acid fumes; exothermic reaction can be vigorous. Recommended extinguishing: Dry chemical, carbon dioxide, sand; DO NOT use water or water-based foams.
ERG Guide 137 recommendation: ERG 137: Initial isolation 60m in all directions; protective action distance 0.1km daytime, 0.3km nighttime for small spills; larger spills increase distances significantly
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 137 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.