Alliance Chemical Resource Library

Safety & HandlingAug 18, 202613 min read

Does Bleach Expire? The Decay Chemistry of Sodium Hypochlorite, and How to Store It

Yes, bleach expires. Bleach is sodium hypochlorite (NaOCl, CAS 7681-52-9) dissolved in water, and it decomposes continuously from the day it is made - mainly into...

Water & EnvironmentalAug 14, 202615 min read

Who Discovered Chlorine? The 1774 Green Gas That Became Sodium Hypochlorite

Sodium hypochlorite is the sodium salt of hypochlorous acid, with the chemical formula NaOCl and CAS number 7681-52-9. It was first produced in 1820 by Antoine...

Chemical & Product GuidesAug 6, 20265 min read

What Bleach Actually Is: Sodium Hypochlorite From 1% to 12.5%

Bleach is a water solution of sodium hypochlorite (NaOCl), typically at 5–6% concentration for household use, with the remainder being water and a small amount of...

Chemical & Product GuidesDec 18, 202423 min read

Vinegar, Boric Acid and Sodium Hypochlorite: A Household Chemistry Guide

Vinegar, boric acid, and sodium hypochlorite are three simple chemicals with long histories of household use for cleaning and maintenance. Vinegar is a solution of acetic...

Safety & HandlingAug 30, 202412 min read

Sodium Hypochlorite in Cannabis Facilities: Chemistry, Handling and Limits

Sodium hypochlorite is a broad-spectrum oxidizer with the chemical formula NaOCl, commonly used in cannabis cultivation facilities for surface and equipment protocols. At a 12.5% concentration,...

Industrial ApplicationsJul 30, 20237 min read

The Top Applications of Sodium Hypochlorite 12.5% in Everyday Industries

Sodium hypochlorite 12.5% is a pale yellow liquid chemical (formula NaOCl, CAS 7681-52-9, molecular weight 74.44 g/mol) used in industrial and commercial applications such as municipal...

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