Description
1. Identification
Product Name: Ethanol, Absolute 99.9% (Chemically Pure, CP)
Synonyms: Absolute Ethanol, Anhydrous Ethanol, Ethyl Alcohol
CAS Number: 64‑17‑5
UN Number: 1170
Recommended Use: Laboratory solvent, reagent, dehydrating agent.
2. Hazard Identification
GHS Classification:
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Flammable Liquids — Category 2 (H225)
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Eye Irritation — Category 2 (H319)
Signal Word: Danger
Hazard Statements: -
H225: Highly flammable liquid and vapour.
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H319: Causes serious eye irritation.
3. Composition
Ingredient: Ethanol
Concentration: ≥ 99.9%
CAS: 64‑17‑5
4. First Aid Measures
Inhalation:
Move to fresh air; if symptoms persist (dizziness, headache), seek medical attention.
Skin Contact:
Wash affected area with plenty of water and mild soap; remove contaminated clothing.
Eye Contact:
Rinse cautiously with water for at least 15 minutes; remove contact lenses if easy; seek medical attention.
Ingestion:
Do not induce vomiting; rinse mouth and seek medical advice immediately.
5. Firefighting Measures
Suitable Extinguishing Media:
Use alcohol‑resistant foam, dry chemical, CO₂, or water spray.
Special Hazards:
Vapours can form explosive mixtures with air; vapours are heavier than air and can travel to ignition sources.
Protective Equipment for Firefighters:
Full protective gear and respiratory protection.
6. Accidental Release Measures
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Eliminate sources of ignition.
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Ventilate area.
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Absorb spill with inert material (sand, vermiculite) and collect for disposal.
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Prevent entry into drains
7. Handling and Storage
Handling:
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Keep away from heat, sparks, open flames, and hot surfaces.
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Ground/bond containers during transfer to prevent static discharge.
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Avoid breathing vapours.
Storage:
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Store in cool, dry, well‑ventilated area.
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Keep container tightly closed and clearly labeled.
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Use flammable storage cabinets where appropriate.
8. Exposure Controls / Personal Protection
Engineering Controls:
Use local exhaust ventilation where vapours may be present.
PPE:
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Eye/Face: Safety goggles/face shield.
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Skin: Chemical‑resistant gloves and protective clothing.
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Respiratory: If ventilation inadequate, use appropriate respirator for organic vapours.
9. Physical and Chemical Properties
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Appearance: Clear, colourless liquid.
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Odour: Alcohol‑like.
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Boiling Point: ~78 °C.
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Flash Point: ~12‑13 °C (closed cup).
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Solubility: Miscible with water.
10. Stability and Reactivity
Stability: Stable under normal conditions.
Incompatibilities: Strong oxidizers, acids, alkali metals, halogens.
Conditions to Avoid: Heat, flames, sparks, static.
Hazardous Decomposition: Carbon oxides (CO/CO₂).
11. Toxicological Information
Acute Effects:
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Inhalation may cause irritation, drowsiness.
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Contact can irritate eyes and skin.
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Ingestion can cause nausea, vomiting, CNS effects.
12. Disposal Considerations
Dispose of content/container as hazardous chemical waste according to local regulations.

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