Resource library
Older guides and references from the Alliance Chemical resource library.
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 for buyers are ACS Reagent Grade...
Hydrofluorosilicic acid (HFS, H2SiF6, CAS 16961-83-4) is a corrosive, ~23% aqueous fluorine acid recovered as a byproduct of phosphate-fertilizer manufacturing. About 63% of U.S. supply goes to municipal water fluoridation, but it...
Concentrated vinegar is a water solution of acetic acid (CH₃COOH, CAS 64-19-7) at a strength higher than the 5% you buy in a grocery store. "X% vinegar" simply means X% acetic acid...
The best rust remover depends on the job. Oxalic acid (a strong, iron-selective chelator) and phosphoric acid (which converts rust into a paint-ready protective coating) outperform the household vinegar hack on real...
Toluene (methylbenzene, C₇H₈, CAS 108-88-3) is an aromatic hydrocarbon solvent with a research octane number of 121 and a Kauri-Butanol value of 105. It is the highest-impact octane booster permitted in unrestricted...
Ammonium bifluoride is the solid acid salt NH₄HF₂ (CAS 1341-49-7), a white crystalline flake material that releases hydrofluoric acid in situ when dissolved in water. It is the workhorse fluoride source for...
Compliance update. The WCPP dates in this guide have moved: EPA extends the PCE and carbon tetrachloride compliance dates to 2027 — published July 28, 2026, effective immediately.
How metal fabrication and machine shops use Aluminum Sulfate 50% (alum) to break coolant emulsions, neutralize the charge on suspended metal fines, and cut wastewater disposal volume to 5-15% of raw effluent...
Car dipping is a 3-tank chemical immersion process that strips paint and kills rust on whole car bodies. The body is dunked sequentially in (1) a hot sodium hydroxide (NaOH) caustic bath...
Sulfuric acid 96% ACS Grade is concentrated H2SO4 (CAS 7664-93-9) certified to the American Chemical Society analytical reagent specification — assay 96.0–98.0%, residue on ignition ≤0.0005%, iron ≤0.0001%, chloride ≤0.0001%. It is...
Soda ash is sodium carbonate, a white, odorless powder with the chemical formula Na₂CO₃ and CAS number 497-19-8. It has a strongly alkaline pH of about 11.4 in a 1% solution (11.37...
Hydrogen peroxide (H2O2, CAS 7722-84-1) is an oxidising agent sold in a ladder of concentrations, not a single product. Alliance Chemical stocks eight strengths — 3%, 5%, 6%, 10%, 12%, 15%, 25%...
Shocking a pool without chlorine involves using hydrogen peroxide (H₂O₂), a chlorine-free oxidizer that breaks down into water and oxygen without forming chloramines or trihalomethanes. For pool treatment, the industry-standard concentration is...
Nitric acid (HNO3, CAS 7697-37-2) is a strong mineral acid responsible for roughly 80% of the world's synthetic nitrogen fertilizer via ammonium nitrate — chemistry that underwrites about half of the calories...
🔧 Cleaning electronics? See Isopropyl Alcohol for Electronics — the right concentration for PCBs, flux, and thermal paste (and why 70% is the wrong call).
Inhibited Ethylene Glycol 30/70 with OAT-908 is a pre-blended industrial heat-transfer fluid containing 30% ethylene glycol in deionized water with a hybrid Organic Acid Technology corrosion-inhibitor package (carboxylates + sodium nitrite +...
Methyl Isobutyl Ketone (MIBK) is the frother behind 60%+ of US copper, moly, and gold mining. Complete guide to chemistry, uses, grades, and safety.
Ammonium hydroxide (formula NH₄OH, also written NH₃(aq) or NH₃·H₂O; CAS 1336-21-6) is ammonia gas dissolved in water, also sold as aqueous ammonia, aqua ammonia or ammonia water. It is a weak base...
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