Description

Safety Data Sheet (SDS) — Nitric Acid 55%

SECTION 1 — Identification

Product Name: Nitric Acid 55%
CAS Number: 7697‑37‑2
UN Number: 2031
Recommended Use: Laboratory reagent, chemical synthesis, metal digestion.
Supplier: Global Grade Supplies.

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SECTION 2 — Hazard(s) Identification

Signal Word: Danger
Hazard Statements:

• H272 — May intensify fire; oxidizer.

• H290 — May be corrosive to metals.

• H314 — Causes severe skin burns and eye damage.

• H315 — Causes skin irritation.

• H318 — Causes serious eye damage.

Precautionary Statements (examples):

• P210 — Keep away from heat, sparks, open flames and hot surfaces.

• P220 — Keep/Store away from clothing/combustible materials.

• P260 — Do not breathe dust/fume/gas/mist/vapors/spray.

• P280 — Wear protective gloves, protective clothing, eye protection, face protection.

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SECTION 3 — Composition / Information on Ingredients

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SECTION 4 — First Aid Measures

Inhalation:

• Move person to fresh air immediately.

• If not breathing, give artificial respiration.

• Get medical attention.

Eye Contact:

• Rinse cautiously with water for at least 15 minutes.

• Remove contact lenses if present and easy to do.

• Seek medical attention.

Skin Contact:

• Immediately remove contaminated clothing.

• Rinse skin with plenty of water for at least 15 minutes.

• Seek medical attention.

Ingestion:

• Rinse mouth.

• Do NOT induce vomiting.

• Seek medical attention immediately.

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SECTION 5 — Fire‑Fighting Measures

Suitable Extinguishing Media:

• Water spray, dry chemical, carbon dioxide.

Specific Hazards:

• Violent reaction with combustible materials and reducing agents.

• Emits toxic nitrogen oxides (NOx) upon decomposition.

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SECTION 6 — Accidental Release Measures

• Evacuate area and ventilate well.

• Wear proper PPE.

• Contain spill and neutralize with appropriate neutralizing agent (e.g., sodium carbonate solution).

• Dispose of waste according to local regulations.

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SECTION 7 — Handling and Storage

Handling:

• Avoid inhalation of vapors and contact with skin/eyes.

• Use only with adequate ventilation.

Storage:

• Store in a cool, well‑ventilated area.

• Keep container tightly closed and locked up.

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SECTION 8 — Exposure Controls / Personal Protection

• Engineering Controls: Adequate ventilation; fume hood recommended.

• Respiratory Protection: If ventilation is inadequate, wear appropriate respirator.

• Eye Protection: Chemical goggles and face shield.

• Skin Protection: Acid‑resistant gloves, lab coat or chemical apron.

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SECTION 9 — Physical and Chemical Properties

• Appearance: Colorless to light yellow liquid.

• pH: Strongly acidic.

• Odor: Pungent, acrid.

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SECTION 11 — Toxicological Information

• Inhalation: Corrosive to respiratory tract; may cause coughing, shortness of breath.

• Skin contact: Causes severe burns.

• Eye contact: Causes serious damage.

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SECTION 12 — Ecological Information

• Harmful to aquatic life with long‑lasting effects.

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SECTION 13 — Disposal Considerations

• Dispose of contents/container according to local, regional, national and international regulations.

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SECTION 14 — Transport Information

• UN Number: 2031.

• Hazard Class: 8 (Corrosive), 5.1 (Oxidizing).

• Packing Group: II.