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Hydraulic Fluid (ISO VG 46)

CAS: 64742-65-0 Category: Fuels ⚠ WARNING
Also known as: Hydraulic oil, ISO 46 hydraulic oil, H-LP 46, AW hydraulic fluid

Quick Facts

CAS Number64742-65-0
Signal WordWARNING
GHS Hazard Classesharmful, environmental
NFPA RatingHealth: 1 / Flammability: 1 / Reactivity: 0
Common NamesHydraulic oil, ISO 46 hydraulic oil, H-LP 46, AW hydraulic fluid
PubChem CID347913879

Hazard Summary

⚠ WARNING: Petroleum-based hydraulic fluid. Flash point ~215 °C (420 °F). Main hazard is high-pressure injection injury — hydraulic leaks can penetrate skin at high velocity and require immediate surgery.

GHS Hazard Pictograms

⚠ Harmful/Irritant 🌊 Environmental

Hazard Statements (H-codes)

H304 – May be fatal if swallowed and enters airways
H315 – Causes skin irritation
H411 – Toxic to aquatic life with long lasting effects

Precautionary Statements (P-codes)

P273 – Avoid release to environment
P301+P310 – IF SWALLOWED: Immediately call Poison Control
P391 – Collect spillage

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. CRITICAL: High-pressure injection injuries appear minor externally but cause severe internal tissue damage — treat as medical emergency regardless of entry wound size.
🫁 Inhalation
Move to fresh air. Oil mist is respiratory irritant. Seek medical attention if symptoms persist.
🫦 Ingestion
Do NOT induce vomiting. Call Poison Control (1-800-222-1222). Seek medical care.

Storage & Handling

🔒 Storage & Handling: Store in sealed containers away from heat and oxidizers. Keep in cool, dry area. Dispose of used fluid per environmental regulations.

PPE Requirements

Safety glasses
Nitrile gloves
Face shield when working on pressurized systems
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