Listing ID #7438403
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Contact SupplierNitric Acid (HNO₃) at a concentration of 68% is a common chemical reagent with various applications in industries such as manufacturing, agriculture, and laboratory research. Here are the general specifications for Nitric Acid 68%:
### Chemical Properties:
- **Concentration:** 68% ± 1%
- **Chemical Formula:** HNO₃
- **Molecular Weight:** 63.01 g/mol
- **Density:** 1.41 g/cm³ at 20°C
- **Boiling Point:** Approximately 121°C
- **Melting Point:** -42°C
- **Vapor Pressure:** 6.2 kPa at 20°C
- **pH:** < 1 (strongly acidic)
- **Appearance:** Clear, colorless to slightly yellow liquid
- **Odor:** Pungent, acrid
### Purity and Impurities:
- **Purity:** ≥ 99.0%
- **Chlorides (Cl):** ≤ 0.001%
- **Sulphates (SO₄):** ≤ 0.002%
- **Heavy Metals (as Pb):** ≤ 0.001%
- **Iron (Fe):** ≤ 0.0005%
### Physical Properties:
- **Solubility in Water:** Miscible in all proportions
- **Reactivity:** Highly reactive, especially with organic materials and metals
### Safety and Handling:
- **Hazard Classification:** Corrosive, oxidizing agent
- **Personal Protective Equipment (PPE):** Gloves, safety goggles, face shield, acid-resistant clothing
- **Storage Conditions:** Store in a cool, well-ventilated area, away from incompatible substances such as organic materials, reducing agents, and alkalis
- **First Aid Measures:** Immediate washing with plenty of water in case of skin or eye contact; seek medical attention if necessary
### Applications:
- **Industrial Use:** Production of fertilizers, explosives, and dyes
- **Laboratory Use:** Analytical chemistry, etching of metals
- **Cleaning Agent:** Removal of rust and scale from metals
Always refer to the Material Safety Data Sheet (MSDS) for detailed safety and handling information specific to the nitric acid you are using.