SDS Vault Safety Data Sheet Reference

Sodium Azide (Preservative/Reagent)

CAS: 26628-22-8 Category: Industrial ⚠ DANGER
Also known as: NaN3, Smite, Sodium trinitride

Quick Facts

CAS Number26628-22-8
Signal WordDANGER
GHS Hazard Classestoxic, environmental
NFPA RatingHealth: 4 / Flammability: 0 / Reactivity: 3
Common NamesNaN3, Smite, Sodium trinitride
PubChem CID33557

Hazard Summary

⚠ DANGER: Highly toxic laboratory preservative. Lethal by all routes. Reacts with copper, lead, and other metals to form highly explosive metal azides — do not drain azide solutions down copper drains. Used in airbag propellants and bacteriostatic solutions.

GHS Hazard Pictograms

☠ Acutely Toxic 🌊 Environmental

Hazard Statements (H-codes)

H290 – May be corrosive to metals (forms explosive metal azides)
H300+H310+H330 – Fatal if swallowed, skin contact, or inhaled
H400 – Very toxic to aquatic life

Precautionary Statements (P-codes)

P260 – Do not breathe dust
P264 – Wash hands thoroughly after use
P270 – Do not eat/drink/smoke when using
P301+P310 – IF SWALLOWED: Immediately call Poison Control
P304+P340 – IF INHALED: Remove to fresh air; call Poison Control

First Aid Measures (Section 4)

👁 Eye Contact
Flush with water for 15 minutes. Seek immediate emergency care.
🖐 Skin Contact
Flush with large amounts of water. Remove contaminated clothing. Seek emergency care immediately.
🫁 Inhalation
Remove to fresh air immediately. Call 911. Mechanism similar to cyanide — inhibits cytochrome oxidase.
🫦 Ingestion
Call 911 and Poison Control (1-800-222-1222) immediately. Antidote therapy must be given rapidly.

Storage & Handling

🔒 Storage & Handling: Store in sealed containers in cool, ventilated area away from acids (releases toxic HN3). Keep away from metals. Dispose through licensed hazardous waste contractor.

PPE Requirements

Chemical goggles
Nitrile gloves
Lab coat
Work only in fume hood
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