SDS Vault Safety Data Sheet Reference

Citric Acid

CAS: 77-92-9 Category: Cleaners ⚠ WARNING
Also known as: 2-Hydroxypropane-1,2,3-tricarboxylic acid, Citric acid monohydrate

Quick Facts

CAS Number77-92-9
Signal WordWARNING
GHS Hazard Classesharmful
NFPA RatingHealth: 2 / Flammability: 1 / Reactivity: 0
Common Names2-Hydroxypropane-1,2,3-tricarboxylic acid, Citric acid monohydrate
PubChem CID311

Hazard Summary

⚠ WARNING: Weak organic acid used as descaler and food-grade cleaner. Lower hazard than mineral acids but can cause significant eye and respiratory irritation as a dust or concentrated solution.

GHS Hazard Pictograms

⚠ 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
P312 – Call Poison Control if unwell

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. Generally mild skin irritant.
🫁 Inhalation
Move to fresh air. Dust causes respiratory irritation.
🫦 Ingestion
Rinse mouth. Dilute with water. Call Poison Control (1-800-222-1222) if large quantity ingested.

Storage & Handling

🔒 Storage & Handling: Store in cool, dry place in sealed containers. Away from strong oxidizers and bases.

PPE Requirements

Safety glasses
Nitrile gloves
Dust mask when handling powder
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