Alliance Chemical Resource Library

Safety & HandlingAug 6, 202614 min read

Where to Buy Nitric Acid: Grades, Concentrations, Licensing and Shipping Explained

Nitric acid (HNO₃, CAS 7697-37-2) can be bought in the United States without any federal purchase licence — it is not a DEA-listed chemical. What gates...

Chemical & Product GuidesJun 3, 202614 min read

Hydrochloric Acid 37%: ACS Reagent vs Technical Grade — Which Purity Do You Actually Need?

Hydrochloric acid 37% (HCl, CAS 7647-01-0) is concentrated, fuming hydrochloric acid — about 12 molar and the strongest standard grade sold. The two grades that matter...

Safety & HandlingOct 13, 202511 min read

Ammonium Hydroxide 29% ACS Grade: Why Your Chemical Supplier Matters as Much as the Chemical

After 20+ years supplying Ammonium Hydroxide to research labs, government facilities, and manufacturers, we've learned one critical lesson: the product is only as reliable as the...

Emerging TechnologyJul 8, 202514 min read

Distilled vs. Deionized Water: Which High-Purity Water is Right for Your Application?

Distilled water is water purified by boiling and condensation, while deionized water is water that has had almost all mineral ions removed through ion exchange. Both...

Safety & HandlingApr 29, 202511 min read

Safe Storage Tips for Acids, Bases, and Solvents: What You Must Know

Safe storage of acids, bases, and solvents is the practice of organizing and maintaining these chemicals to prevent dangerous reactions, toxic fumes, spills, fires, injuries, and...

Safety & HandlingMar 25, 202516 min read

Chemical Storage Guidelines: Safely Handling Acids, Bases, and Solvent

Chemical storage guidelines are documented protocols for safely handling and storing acids, bases, solvents, and other hazardous chemicals in industrial settings. Proper storage prevents fires, explosions,...

Safety & HandlingJan 3, 202513 min read

The Complete Hydrogen Peroxide Concentration Guide: 3% to 30%

Hydrogen peroxide is a clear, colorless liquid chemical compound with the formula H2O2 and CAS number 7722-84-1. It has a molecular weight of 34.015 g/mol and...

Industrial ApplicationsNov 13, 202323 min read

How to Make 70% Isopropyl Alcohol from 99% Isopropyl Alcohol

70% isopropyl alcohol is a solution made by diluting 99% isopropyl alcohol with water to achieve a final concentration of 70% by volume. Isopropyl alcohol (C₃H₈O)...

Safety & HandlingAug 30, 202315 min read

Denatured Alcohol vs Isopropyl Alcohol: SDA 3A vs 3C, Grades, and Which Solvent You Actually Need

Denatured alcohol is ethanol (ethyl alcohol, CAS 64-17-5) blended with a small amount of an added denaturant that makes it unfit to drink. Isopropyl alcohol is...

Industrial ApplicationsApr 26, 202315 min read

The Importance of ACS Grade Chemicals in Research and Industry

ACS grade chemicals are substances that meet or exceed the purity standards established by the American Chemical Society’s Committee on Analytical Reagents, as published in official...

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