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 GuidesJul 30, 202615 min read

Caustic Soda (Sodium Hydroxide): Grades, Concentrations, and Why Its Price Follows Chlorine

Caustic soda is sodium hydroxide, a strong alkali with the formula NaOH and CAS number 1310-73-2. Produced by electrolysis of salt water, it is always generated...

Emerging TechnologyJun 9, 202615 min read

Isopropyl Alcohol in Semiconductor Manufacturing: Wafer Cleaning, Marangoni Drying & Grade Selection

Isopropyl alcohol (IPA, C3H8O, CAS 67-63-0) is the highest-volume cleaning and drying solvent in semiconductor manufacturing. It is used as the final-rinse solvent and the drying...

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...

Industrial ApplicationsMay 12, 202615 min read

Methyl Isobutyl Ketone (MIBK): The Solvent Behind Every Copper Penny, Mining Frother & Industrial Coatings Guide

Methyl Isobutyl Ketone (MIBK) is the frother behind 60%+ of US copper, moly, and gold mining. Complete guide to chemistry, uses, grades, and safety.

Industrial ApplicationsOct 1, 202514 min read

The Chemist's Guide to Sodium Hydroxide for Precision Optical Cleaning

Behind every flawless laser lens and semiconductor wafer is a journey through a precisely controlled chemical bath. This definitive guide for engineers and lab managers explains...

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