EDTMPS

EDTMPS (Ethylene Diamine Tetra‑Methylene Phosphonic Acid Sodium) is marketed as an environmentally benign corrosion inhibitor for industrial water systems. The product is identified by CAS No. 1429‑50‑1, carries the molecular formula C6H12O12N2P4Na8 and has a molecular weight of 612.13 g·mol⁻¹. It is supplied as a clear yellow‑to‑umber transparent liquid that meets a minimum density of 1.25 g cm⁻³ at 20 °C. Supplier information highlights a minimum active‑component concentration of 30 % by weight.

The formulation also contains at least 10 % organic phosphonic acid (as PO₄³⁻) while limiting phosphorous acid (as PO₃³⁻) to a maximum of 5 % and phosphoric acid (as PO₄³⁻) to a maximum of 1 %. In a 1 % aqueous solution the pH lies between 9.5 and 10.5, a range that supports stable scale‑inhibition performance. Industry practice regards EDTMPS as delivering corrosion protection three to five times greater than conventional inorganic polyphosphates, a typical benchmark for evaluating efficiency. Typical storage recommendations advise keeping the product in a dry, shaded area at temperatures between 5 °C and 25 °C.

The chemical finds use in circulating cooling‑water loops, low‑pressure boiler feedwater, non‑cyanogen electro‑plating baths and as a water‑softening agent in textile dyeing processes. Recommended dosing when applied alone is 2 mg L⁻¹ to 10 mg L⁻¹, with the possibility of blending with agents such as HPMA, BTA or zinc salts for tailored performance. Supplies are normally dispatched in 250 kg steel drums, and the exact minimum order quantity, lead‑time and payment conditions should be confirmed directly with the supplier.

Zao Zhuang Xin Tai Water Treatment Technology Co., Ltd. operates from Zhongtai Industry Zone, Xiwangzhuang Village, Shizhong District, Zaozhuang, Shandong Province, China (postal code 277100). The supplier is classified as an imported tier with a harbor trust tier, and the platform records a zero‑percent response rate, indicating that communication may require persistent follow‑up.

The company’s current catalogue lists EDTMPS for use in water‑treatment, oil‑and‑gas, construction and manufacturing sectors. While the listing mentions compliance with international safety and environmental standards, no specific certificates are provided, so buyers should request up‑to‑date ISO, GHS or other relevant documentation before committing to a purchase.