Description

Nitric Acid CAS NO 78989-43-2 is a highly corrosive and powerful oxidizing mineral acid essential for a wide range of industrial chemical processes. Its strong acidic nature and potent oxidizing properties make it a critical reagent for synthesis, metal treatment, and purification. This product is indispensable for manufacturers and laboratories in sectors such as chemical synthesis, electronics, metallurgy, and fertilizer production, where precise and reliable chemical performance is paramount.

Application

• Chemical Synthesis & Nitration: A key reagent for producing nitro compounds, explosives (e.g., TNT), and various organic intermediates.
• Metal Processing & Etching: Used for pickling, passivating, and etching stainless steel, as well as in metal refining and purification processes.
• Electronics Manufacturing: Essential for wafer cleaning and etching in semiconductor and microelectronics fabrication.
• Fertilizer Production: A primary raw material in the manufacture of ammonium nitrate and other nitrogen-based fertilizers.
• Analytical Chemistry & Laboratory: Employed as a digesting acid for sample preparation in trace metal analysis (ICP-MS, AAS) and other analytical procedures.
• Rocket Propellant: Serves as an oxidizer in certain liquid-fuel rocket propellant formulations.
• Dye & Pigment Industry: Used in the nitration processes required for synthesizing various dyes and colorants.

Basic Information

Product Name	Nitric Acid
CAS No.	78989-43-2
Molecular Formula	HNO₃
Molecular Weight	63.01 g/mol
Synonyms	Aqua fortis; Azotic acid; Hydrogen nitrate; Nitryl hydroxide; Engraver's acid; RFNA (Red Fuming Nitric Acid); WFNA (White Fuming Nitric Acid); Spirit of niter
EINECS	Contact for details

Quality Control

Our Nitric Acid is manufactured under strict quality management protocols to ensure batch-to-batch consistency and reliability. We offer various grades, including technical and high-purity analytical grades, with specifications tailored to meet the demands of specific applications. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profiles, and trace metal content are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area, away from direct sunlight and heat sources. Maintain storage temperature between 15°C and 25°C. Due to its nature as a strong acid and oxidizer, it must be kept separate from incompatible materials such as organic compounds, strong reducing agents, and bases. Use corrosion-resistant storage containers and ensure proper secondary containment to manage potential spills.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HNO₃)	≥ 65.0% - 70.0% (or as specified)
Chloride (Cl)	≤ 0.5 ppm
Sulfate (SO₄)	≤ 2.0 ppm
Heavy Metals (as Pb)	≤ 1.0 ppm
Iron (Fe)	≤ 0.2 ppm
Residue after Ignition	≤ 5 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.