Dark mode
Ask a question
Commercial Fulfillment Snapshot
Buy Nitric Acid 25% with faster decisions and fewer back-and-forth emails.
Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.
Who Buys This
- Electronics & PCB manufacturers
- Water treatment facilities
- Chemical processing companies
- Fertilizer production plants
- Analytical testing laboratories
Purity / Grade Guide
- Industrial & lab applications
- 24-26% assay range verified
- COA included with specs
- Suitable for commercial processes
Pack Sizes
- 1 Liter: lab & bench scale
- 2.5 Liter: bench & pilot work
- 55 Gallon: bulk drum
SDS / COA / TDS
- UN 2031 Class 8 shipping
- SDS included with order
- COA with purity specs
- Packing Group II compliance
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.
Product Overview
Nitric Acid 25% is a aqueous solution of nitric acid (HNO3), historically known as Aqua Fortis. This formulation provides the strong oxidizing capabilities required for industrial applications while offering improved handling characteristics compared to fuming concentrations. It is widely used in metal finishing, chemical synthesis, and industrial water treatment processes.
Alliance Chemical supplies Nitric Acid 25% with tight specification bands to ensure reliable titratable acidity and predictable performance in process streams. It serves as a critical agent for etching steel and brass, passivating stainless steel, and adjusting pH in wastewater systems. The solution is strictly manufactured to minimize impurities, supporting consistent results in manufacturing and laboratory environments.
Key Properties
- Assay (HNO3): 24–26% (Typical 25%)
- Appearance: Clear, colorless to slightly yellow liquid
- Specific Gravity (20°C): 1.10–1.12
- Molecular Weight: 63.01 g/mol
- Chloride (ppm): Max 20
- Heavy Metals (as Pb): Max 0.5 ppm
- Iron (Fe): Max 0.2 ppm
Common Applications
- Metal Finishing & Etching: Used extensively for etching metals (copper, brass, bronze) and passivating stainless steel to prevent corrosion.
- Industrial pH Control: Effective agent for neutralizing alkaline streams in wastewater treatment and process water.
- Chemical Manufacturing: Acts as a precursor in nitrate synthesis and fertilizer production.
- Cleaning Agent: Removes mineral deposits and impurities from industrial equipment and masonry.
- Laboratory Reagent: Utilized in analytical chemistry for elemental analysis and digestion procedures.
Safety & Handling
Hazmat Classification: UN 2031, Nitric Acid, Class 8, Packing Group II.
Nitric Acid 25% is a corrosive liquid and a strong oxidizer. It must be handled with full Personal Protective Equipment (PPE), including acid-resistant gloves, chemical splash goggles, and a face shield. Store in a cool, well-ventilated area away from incompatible materials such as organic compounds, bases, and reducing agents. Ensure storage containers (HDPE or glass) are tightly sealed to prevent vapor escape. Refer to the Safety Data Sheet (SDS) for detailed emergency and disposal protocols.
Benefits
High-Purity Quality: Low impurity profile for consistent industrial processing.
Versatile Oxidizer: Effective for both surface preparation and chemical synthesis.
Scalable Packaging: Available in sizes ranging from 1 Liter bottles to 55 Gallon drums.
Related Products
| Property | Value |
|---|---|
| Molecular Weight | 63.01 g/mol |
| Formula | HNO3 |
| Assay | 25% |
| Grade | Reagent |
| Form | Liquid |
| Solubility | Soluble in water, alcohol, and other polar solvents |
| Appearance | Colorless to slightly yellow, fuming liquid |
| Melting Point | -42 °C |
| Boiling Point | 83 °C |
| Specific Gravity | 1.2 |
| Industry | Industrial, Environmental, Wastewater |
Frequently Asked Questions About Nitric Acid 25%
What is Nitric Acid 25% and what is its chemical formula?
Nitric Acid 25% is a chemical compound with the molecular formula HNO3, registered under CAS Number 7697-37-2 by the Chemical Abstracts Service (PubChem), with a molecular weight of 63.01 g/mol. Alliance Chemical supplies Nitric Acid 25% in Reagent grade for laboratory, industrial, and commercial applications.
What are the physical properties of Nitric Acid 25%?
According to the NIOSH Pocket Guide to Chemical Hazards, Nitric Acid 25% is supplied as a colorless to slightly yellow, fuming liquid. It has a melting point of -42°C, a boiling point of 83°C. The specific gravity is 1.2 relative to water. Solubility: Soluble in water, alcohol, and other polar solvents.
What grade and purity of Nitric Acid 25% does Alliance Chemical offer?
Alliance Chemical offers Nitric Acid 25% in Reagent grade with a purity assay of 25%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Nitric Acid 25%?
Nitric Acid 25% serves a wide range of sectors, including Industrial, Environmental, and Wastewater.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Nitric Acid 25%?
OSHA-mandated PPE per 29 CFR 1910.132-138:Chemical-resistant gloves (20+ mil neoprene or PVC), full face shield over safety goggles (ANSI Z87.1), acid-resistant apron or chemical suit, closed-toe chemical-resistant footwear. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for Nitric Acid 25%?
Store perOSHA 29 CFR 1910.1450: Dedicated corrosives cabinet with secondary containment (110% volume per EPA 40 CFR 264.175). Temperature range:15-25°C. Segregate from:bases, reactive metals, organic materials. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Nitric Acid 25%?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 50 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Carefully neutralize with sodium bicarbonate (5-10% solution), monitor exothermic reaction. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Nitric Acid 25%?
DOT Classification per 49 CFR 172.101:See SDS Section 14 for specific UN number, Hazard Class8 (Corrosive), Packing GroupII/III. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Nitric Acid 25% waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D002 (Corrosive, pH ≤2 or ≥12.5). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for Nitric Acid 25%?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Nitric Acid 25%. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.
Learn More About This Product
Understanding Metal Pickling: Acid Selection Fundamentals
Hydrochloric Acid vs Sulfuric Acid for Metal Pickling:...
Why Proper Stainless Steel Passivation Matters
Understanding the chemistry, process, and regulatory requirements that...
KF5-DDG-MWR
$20.25
Unit price
Compare Products
| Price |
|---|
| SKU |
| Rating |
| Discount |
| Vendor |
| Tags |
| Weight |
| Stock |
| Short Description |