Alliance Chemical / Resource Library
Technical chemical guides, safety references, product comparisons and industry insights from the Alliance Chemical team.
290 articles · updated September 2026
Denatured alcohol is ethanol (C₂H₆O, CAS 64-17-5) to which a small amount of a toxic or foul-tasting additive has been blended, under a federally published recipe, so that it cannot be sold or used as a beverage. The reason is...
Read articleMethyl ethyl ketone (MEK, butan-2-one, C4H8O, CAS 78-93-3) is the fast-evaporating ketone solvent used to make magnetic recording tape: iron oxide particles and a vinyl binder...
The Alkali Act 1863 was the United Kingdom statute that forced alkali works to condensenot less than 95 per cent of the muriatic acid gas (gaseous...
Deionized water (DI water, H₂O, CAS 7732-18-5) is water whose dissolved mineral ions have been exchanged out over ion-exchange resin, leaving essentially H₂O plus any non-ionic...
Elixir Sulfanilamide was a raspberry-flavored liquid antibiotic sold by the S.E. Massengill Company of Bristol, Tennessee, in September 1937. Its solvent was diethylene glycol (DEG, CAS...
Most data center glycol loop problems are not degraded glycol. The twelve failure modes that account for nearly all of them are: make-up water ingress, inhibitor...
Isopropyl alcohol (propan-2-ol, C3H8O, CAS 67-63-0, PubChem CID 3776) forms a minimum-boiling azeotrope with water at 87.7% by weight — about 91% by volume — boiling...
Potash is the family name for water-soluble potassium salts, originally potassium carbonate (K₂CO₃) leached from wood ash in iron pots — the origin of both the...
Ignaz Semmelweis (1818–1865) was the Hungarian obstetrician who introduced antiseptic handwashing in 1847 at the Vienna General Hospital, requiring doctors to scrub in chlorinated lime solution...
Ethylene glycol (C₂H₆O₂, CAS 107-21-1, also called MEG or 1,2-ethanediol) is a colorless, odorless, sweet-tasting liquid best known as the working ingredient in engine antifreeze and...
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...
Ammonia is a nitrogen-hydrogen compound with the formula NH3 and CAS number 7664-41-7. It was first isolated as a gas by Joseph Priestley in 1774, named...
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