Ethylene Diamine Tetra (Methylene Phosphonic Aci

Ethylene Diamine Tetra (Methylene Phosphonic Acid) supplied by Zaozhuang Dongtao Chemical Technology Co., Ltd. appears as a clear yellow to umber transparent liquid and carries CAS No 1429‑50‑1. The molecular weight is reported as 612.13 g mol‑1 and the formulation contains at least 30 % active component (as EDTMPS), a minimum of 10 % organic phosphonic acid (as PO4³‑), at least 5 % phosphorous acid (as PO3³‑) and a minimum of 1 % phosphoric acid (as PO4³‑). The product exhibits a pH of 9.5‑10.5 in a 1 % water solution, a density of 1.25 g cm‑3 at 20 °C and chloride content not exceeding 3 % by weight.

These figures place the material in the typical industrial grade used for corrosion inhibition in high‑temperature water systems. In the sector, similar liquid phosphonic acids are valued for their ability to remain stable up to 200 °C and to provide scale‑control at dosages of 2‑10 mg L‑1. Standard storage practice calls for keeping the liquid in a cool, dry, shaded area for up to ten months, which matches the supplier’s ten‑month shelf‑life statement. Packaging is commonly supplied in 25 kg plastic drums, a format the listing confirms as available.

The reagent is employed as a cathodic corrosion inhibitor in circulating cooling‑water loops, boiler water treatment, non‑cyanide electroplating baths and in the printing and dyeing industry as a water‑softening agent. End users include power‑plant operators, metal‑finishing facilities and textile manufacturers. The listing does not disclose minimum order quantities, lead‑time estimates or incoterm preferences, so buyers should request these specifics from the supplier. Prospective purchasers are also encouraged to ask for a recent Certificate of Analysis and to verify that the product meets any local environmental regulations.

Zaozhuang Dongtao Chemical Technology Co., Ltd. is situated in the Shizhong District of Zaozhuang, Shandong Province, China, postal code 277122. The supplier is listed as an imported tier with a harbour‑level trust rating, and the current response rate shown in the data is 0 %. No further corporate history, production capacity or certification information is supplied in the source profile.

The company markets the liquid form of Ethylene Diamine Tetra (Methylene Phosphonic Acid) primarily for corrosion inhibition and water‑softening applications. Packaging is offered as a 25 kg plastic drum, and the supplier states that the product can be stored for ten months in a shady, dry environment. Apart from these details, the listing does not provide additional commercial or technical claims.