Detailed Product Description

(HEDP) Scale Inhibitor

(HEDP) Scale Inhibitor  is a low arsenic aqueous solution of 1-Hydroxyethylidene -1, 1-diphosphonic acid, (HEDP), and is noted for excellent CaCO₃ scale inhibition and chlorine stability. (HEDP) Scale Inhibitor is widely used in industries as a sequestering agent and calcium carbonate scale inhibitor for applications in food processing, cosmetics and personal care products.

Abbreviation	HEDP
Molecular Formula	C2H8O7P2
Molecular Weight	206
Chemical Name	1-Hydroxyethylidene -1, 1-diphosphonic acid
CAS Number	2809-21-4

Typical Properties

Appearance	Water white to pale yellow liquid
Active acid, %	58.0 62.0
pH, 1% solution @ 25	2.0 max.
Specific gravity @ 20 , g/cm3	1.42 1.47
Arsenic, ppm	2 max.
Iron, as Fe, ppm	20 max.
Phosphorous acid, %	4.0 max.
Color APHA (Hazen)	150 max.
Chlorides (as Cl, ppm)	100 max.

Packing
HDPE drum: 250 kg net; Isotank:20 ton; IBC:1250 kg.
For safe handling, please refer to the SDS available upon request.