SDS Vault Safety Data Sheet Reference

Sulfur (Elemental / Flowers of Sulfur)

CAS: 7704-34-9 Category: Pesticides ⚠ WARNING
Also known as: Elemental sulfur, Brimstone, Flowers of sulfur, Garden sulfur

Quick Facts

CAS Number7704-34-9
Signal WordWARNING
GHS Hazard Classesflammable, harmful
NFPA RatingHealth: 1 / Flammability: 1 / Reactivity: 0
Common NamesElemental sulfur, Brimstone, Flowers of sulfur, Garden sulfur
PubChem CID682

Hazard Summary

⚠ WARNING: Elemental fungicide and insecticide used in agriculture. Fine dust forms explosive mixtures with air. Burns to produce sulfur dioxide (toxic respiratory irritant). Combustible dust hazard in bulk storage.

GHS Hazard Pictograms

🔥 Flammable ⚠ Harmful/Irritant

Hazard Statements (H-codes)

H315 – Causes skin irritation
H319 – Causes serious eye irritation
H335 – May cause respiratory irritation

Precautionary Statements (P-codes)

P261 – Avoid breathing dust
P305+P351+P338 – IF IN EYES: Rinse with water for 15 min
P501 – Dispose per local regulations

First Aid Measures (Section 4)

👁 Eye Contact
Flush with water for 15 minutes. Seek medical attention if irritation persists.
🖐 Skin Contact
Wash with soap and water. May cause mild irritation.
🫁 Inhalation
Move to fresh air. Sulfur dioxide from combustion is a severe respiratory hazard — evacuate burning areas.
🫦 Ingestion
Rinse mouth. Low acute toxicity. Call Poison Control if large amount ingested.

Storage & Handling

🔒 Storage & Handling: Away from ignition sources and oxidizers. Manage dust generation — combustible dust hazard. Keep in cool, dry area.

PPE Requirements

N95 mask for dusty operations
Safety glasses
Nitrile gloves
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