Corrosion Inhibitors & Coatings

Lactic acid 88%, food grade. Colorless to light yellow liquid, 88% active. High-purity product obtained by carbohydrate fermentation, hygroscopic, odorless, and fully biodegradable. Functions as a pH regulator, preservative, and flavor enhancer. Applications: processed foods, beverages, bakery, dairy, meat products, sauces, and dressings. Also known as E270. Properties: pH 1.0–2.0 (1% solution), density 1.20–1.22 g/mL at 20 °C, purity 87.5–88.5%, max. impurity content (arsenic 1 mg/kg, heavy metals 5 mg/kg, lead 0.5 mg/kg, chlorides and sulfates 10 mg/kg, iron and mercury max. 5 and 1 mg/kg respectively, sulfated ash max. 0.05% w/w, color ≤ 50 APHA). CAS 50-21-5. Kosher certification available. Available in Monterrey, with shipping throughout Mexico.

Propionic acid USP grade, food grade. Translucent liquid, minimum 99% active. Soluble in water, ethanol, and ether, with antimicrobial properties that inhibit mold growth and some bacteria. Applications: preservative in foods such as cheeses, sliced bread, pastries, cakes, and meat products. Also known as E280. Properties: pH (1% solution) 2.0–3.0, translucent liquid appearance, Kosher certified, max. aldehydes content 0.05%, max. APHA color 10 ppm, heavy metals such as lead max. 10 ppm, arsenic max. 3 ppm, max. non-volatile residue 0.01%, max. water content 0.15%. CAS 79-09-4. Available in Monterrey, with shipping throughout Mexico.

​PBTC (2-phosphonobutane-1,2,4-tricarboxylic acid), technical grade. Slightly yellow liquid, minimum 50% active. Excellent dispersant and corrosion inhibitor, effective at low concentrations, compatible with high-hardness water and any water ratio. Improves dispersibility through adsorption of suspended inorganic particles. Highly stable against chlorine and bleaches, ideal for industrial and household cleaning formulations and water treatment. Properties: pH (1% solution) 2.0–3.0, density at 20 °C of 1.28–1.38 g/cm³. CAS 37971-36-1. Available in Monterrey, with shipping throughout Mexico.

Sodium gluconate, technical grade. Fine crystalline white powder, ≥ 98% purity. Highly soluble in water, non-corrosive, and non-toxic, with excellent resistance to oxidation and reduction even at high temperatures. Functions as a set retarder, plasticizer, and water reducer in cementitious systems. Applications: concrete, mortars, plasters, and other construction formulations. Properties: assay ≥ 98.0%, whiteness 55.5–85.0%, reducing substances ≤ 0.50%, chlorides ≤ 0.05%, sulfates ≤ 0.05%, heavy metals (Pb) ≤ 5.0 mg/kg, arsenic ≤ 1.0 mg/kg, pH (5% solution) 6.0–8.0, CAS 527-07-1. Also known as: sodium gluconate. Available in Monterrey, with shipping throughout Mexico.

Potassium iodide USP, pharmaceutical grade. White crystalline powder, high purity (99.0–99.9%) and highly soluble in water and alcohol. Stable inorganic compound that serves as a source of iodine, an essential nutrient, with excellent chemical stability against oxidation and reduction, even at high temperatures. Applications: additive in pharmaceutical products, food, animal feed, industrial processes, formulation of biocides, and surface disinfectants. Properties: iodine content 75.74–76.89%, iodate max. 4.0 ppm, sulfate max. 150 ppm, iron max. 20 ppm, heavy metals max. 10 ppm, CAS 7681-11-0. Available in Monterrey, with shipping throughout Mexico.