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BHMT

DTPMP

Na7DTPMP

DPSC

EDTMP

TETHMP

1-Hydroxyethylidene-1,1- Diphosphonic Acid (HEDP)

Identification

Synonyms: HEDP. HEDPA, 1-Hydroxyethylidene diphosphonic Acid; Etidronic acid; 1-Hydroxyethane-1,1-diphosphonic acid

CAS No.: 2809-21-4

Molecular Weight: 206.03

Molecular Formula: C2H8O7P2

Structural Formula:

Application

Used as scale inhibitor, deflocculant, sequestrant, water stabilizer in water treatment, pipeline, detergent under high temperature and high pH value

Specification

Item

Specification

Appearance
pale yellow transparent liquid

Active Content
60±2%

Phosphorous Acid (as PO3) 2.0% max

Iron (as Fe)

20ppm max

pH Value (1% aqueous)
2.0 max

Color, APHA 80 max

Density( 20°C), g/cm³
1.44~1.47

Acetic Acid
1.0% max

Standard Packing

290kgs net/200L poly drums

Safety Information

Corrosive Liquid, Organic, N.O.S. Hazard Class 8; UN3265; PG III