Nitric Acid
ELRASATM – NTA
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Nitric Acid is a highly corrosive and toxic strong acid used extensively in the production of fertilizers, explosives, and in various industrial processes. It is a key reagent in the chemical…
CAS Number
7697-37-2
HS Code
28.08.00
INCI Name
Nitric Acid
Molecular Formula
HNO3
Nitric Acid
ELRASATM – NTA
Nitric Acid is a highly corrosive and toxic strong acid used extensively in the production of fertilizers, explosives, and in various industrial processes. It is a key reagent in the chemical industry, known for its ability to nitrate organic compounds and oxidize metals.
CAS Number
7697-37-2
INCI Name
Nitric Acid
HS Code
28.08.00
Molecular Formula
HNO3
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Product Specification
Physical Properties
| Property | Specification |
|---|---|
| Appearance | Colorless to yellow liquid |
| Odor | Acrid, suffocating |
| Assay / Purity | Min 68% HNO₃ |
| Molecular Weight | 63.012 g/mol |
| Density | 1.51 g/cm³ |
| Specific Gravity | 1.405 min (@ 20°C) |
| Viscosity | 0.75 mPa·s |
| Refractive Index | 1.397 (@ 16.5 °C) |
| Ph (Aqueous Solution) | <1 |
Chemical Properties
| Property | Specification |
|---|---|
| Pka | -1.3 |
| Ionic Nature | Strong acid, fully dissociated in dilute solution. |
| Incompatibilities | Alcohols, strong bases, reducing agents, finely powdered metals, organic materials, cyanides, ammonia, acetic acid, acetone, and combustible materials. |
| Hazardous Reactions | A powerful oxidizing agent that can ignite on contact or react explosively with many organic and inorganic substances. Reacts violently with water, releasing heat. Contact with metals can form flammable and explosive hydrogen gas. |
| Hazardous Decomposition Products | Thermal decomposition releases toxic and corrosive nitrogen oxides (NOx). |
Thermal Properties
| Property | Specification |
|---|---|
| Melting Point | -42 °C |
| Boiling Point | 83 °C |
| Flash Point | Not flammable. |
| Decomposition Temperature | 83 °C |
| Thermal Stability | Decomposes upon exposure to heat or light, forming nitrogen dioxide, which can cause a yellow or brown color. |
Dosing Guidelines
A. Dosing by Application
| Application | Recommended / Max Dosage |
|---|---|
| Water Treatment (pH control) | Add slowly until target pH is reached. |
| Cleaning / Descaling | 5-15% solutions are typically used. |
About Nitric Acid
Nitric Acid, also known as aqua fortis, is a highly corrosive mineral acid with significant industrial importance. As a strong oxidizing agent, it is extensively used in the production of fertilizers, particularly ammonium nitrate, which is crucial for agricultural productivity. Nitric Acid manufacturers and suppliers focus on producing high-purity grades to meet the stringent demands of various industries. In the explosives industry, it is a key component in the synthesis of nitroglycerin and TNT, where it provides the necessary nitrogen content for explosive reactions. Additionally, Nitric Acid is employed in metal processing for pickling and passivation, helping to clean and protect metal surfaces by removing impurities and preventing corrosion. Its role in water treatment involves pH adjustment and equipment cleaning, ensuring the removal of mineral deposits and other contaminants. The pharmaceutical industry utilizes Nitric Acid in the synthesis of various compounds, where it acts as a nitrating agent to introduce nitro groups into organic molecules, enhancing their activity. As a versatile chemical, Nitric Acid is indispensable in modern industry, with manufacturers continually optimizing production processes to ensure safety and efficiency.
- Strong Oxidizing Agent: Essential for nitration reactions in chemical manufacturing.
- Function: Primarily acts as a strong oxidizing agent and a nitrating agent.
- Key in Fertilizer Production: Used to produce ammonium nitrate, a vital agricultural input.
- Features: Highly corrosive, strong mineral acid, high reactivity with metals and organic compounds, and effective in dissolving metal oxides and impurities.
- Critical for Explosives: Provides nitrogen content for explosives like TNT and nitroglycerin.
- Benefits: Essential for producing nitrogen-based fertilizers, a key precursor for many explosives, effective for metal cleaning and passivation, and a versatile reagent in chemical synthesis.
- Metal Processing Aid: Used for pickling and passivation to clean and protect metals.
- Versatile Industrial Use: Employed in water treatment, pharmaceuticals, and more.
About Nitric Acid
Nitric Acid, also known as aqua fortis, is a highly corrosive mineral acid with significant industrial importance. As a strong oxidizing agent, it is extensively used in the production of fertilizers, particularly ammonium nitrate, which is crucial for agricultural productivity. Nitric Acid manufacturers and suppliers focus on producing high-purity grades to meet the stringent demands of various industries. In the explosives industry, it is a key component in the synthesis of nitroglycerin and TNT, where it provides the necessary nitrogen content for explosive reactions. Additionally, Nitric Acid is employed in metal processing for pickling and passivation, helping to clean and protect metal surfaces by removing impurities and preventing corrosion. Its role in water treatment involves pH adjustment and equipment cleaning, ensuring the removal of mineral deposits and other contaminants. The pharmaceutical industry utilizes Nitric Acid in the synthesis of various compounds, where it acts as a nitrating agent to introduce nitro groups into organic molecules, enhancing their activity. As a versatile chemical, Nitric Acid is indispensable in modern industry, with manufacturers continually optimizing production processes to ensure safety and efficiency.
- Strong Oxidizing Agent: Essential for nitration reactions in chemical manufacturing.
- Function: Primarily acts as a strong oxidizing agent and a nitrating agent.
- Key in Fertilizer Production: Used to produce ammonium nitrate, a vital agricultural input.
- Features: Highly corrosive, strong mineral acid, high reactivity with metals and organic compounds, and effective in dissolving metal oxides and impurities.
- Critical for Explosives: Provides nitrogen content for explosives like TNT and nitroglycerin.
- Benefits: Essential for producing nitrogen-based fertilizers, a key precursor for many explosives, effective for metal cleaning and passivation, and a versatile reagent in chemical synthesis.
- Metal Processing Aid: Used for pickling and passivation to clean and protect metals.
- Versatile Industrial Use: Employed in water treatment, pharmaceuticals, and more.
Regulatory Compliance
| Region | Max Allowed Level | Notes | Certification Body |
|---|---|---|---|
| India | - | Regulated under HSN Code 28080010 for taxation and trade. | - |
| United States | - | Listed on the TSCA (Toxic Substances Control Act) inventory. Regulated as a hazardous substance. | TSCA |
| European Union | 3% | Registered under REACH. Self-classified for acute toxicity by inhalation (Category 3 for concentrations >26%). Subject to Seveso Directive storage rules based on concentration and quantity. | REACH |
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