CAS Registry Number

CAS 37971-36-1 — 2-Phosophonobutane-1,2,4-tricarboxylic acid

2-Phosphonobutane-1,2,4-tricarboxylic acid (PBTC) is a high-performance organophosphonic acid widely used as a scale and corrosion inhibitor in water treatment systems, particularly in cooling towers, boilers, and industrial processes. It effectively prevents scale formation by chelating metal ions like calcium and magnesium while offering excellent thermal stability. This chemical has a CAS number of 37971-36-1, with a molecular formula of C7H11O9P and a molecular weight of 270.1306. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies 2-Phosphonobutane-1,2,4-tricarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.