Alliance Chemical / Resource Library
Technical chemical guides, safety references, product comparisons and industry insights from the Alliance Chemical team.
265 articles · updated July 2026
Polyethylene glycol (PEG) and propylene glycol (PG) are different chemicals that are constantly confused. PEG (CAS 25322-68-3) is a polymer — a chain of repeating ethylene-oxide units, H(OCH₂CH₂)ₙOH, whose average molecular weight is written after the name (PEG 200, PEG...
Read articleOn June 26, 2026 the US Commerce Department set preliminary countervailing duties on citric acid from Canada (16.50%) and India (63.88%). A separate antidumping ruling with...
n-Butanol (n-butyl alcohol, 1-butanol, CAS 71-36-3, C₄H₁₀O) is a straight-chain, four-carbon primary alcohol — a colorless liquid with a characteristic banana-like odor, a boiling point of...
Hydrochloric acid (HCl, CAS 7647-01-0) is the acid nuclear vessels and their support facilities rely on to regenerate the cation ion-exchange resins inside water demineralizers —...
The best glycol for a brewery chiller is propylene glycol (C₃H₈O₂, CAS 57-55-6) mixed with deionized or distilled water at 30–35% by volume. Propylene glycol is...
Vanadium redox flow batteries (VRFBs) store grid-scale electricity in two tanks of vanadium ions dissolved in aqueous sulfuric acid (H₂SO₄). The sulfuric acid is the supporting...
Sulfuric acid (H2SO4, CAS 7664-93-9) is the most-produced chemical in the world and a barometer of industrial activity. In 2026 its supply tightened sharply because sulfur...
Photonics manufacturing — the fabrication of optical waveguides, silicon-photonic chips, and augmented-reality (AR) optics — relies on the same wet-chemistry backbone as semiconductor fabs: Piranha solution...
High pool pH is one of the most common water chemistry problems pool owners and commercial facility managers face. When pH climbs above 7.6, chlorine effectiveness...
Tert-butyl acetate (TBAc, CAS 540-88-5) is the ester of acetic acid and tert-butanol — a colorless, fast-drying organic solvent with the formula C6H12O2 and a faint...
Castor oil (CAS 8001-79-1) is a pale-yellow vegetable oil pressed from the seeds of the castor bean plant (Ricinus communis). It is chemically unique: roughly 85-90%...
One of the most common questions our team fields: "I found a bottle of hydrogen peroxide in the supply room — is it still good?" The...
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