1-Hydroxyethylidene-1,1-Diphosphonic acid [HEDP]

porducts list

Acid Dyes [2]
Bath Mirrors [1]
Borate [1]
Couplings [1]
Dyestuff Intermediates [2]
Fluoride [1]
Inorganic Acid [1]
Machine Tools [1]
Optical Filters [1]
Other Chemicals [1]
Other Inorganic Salts [3]
Rubber Coatings [1]
Shoemaking Machinery Parts [1]
Silicon Dioxide [1]
Water Color [1]

contact datails

Jiangsu Jianghai Chemical Group

Jiaoxi Wucheng Industrial Park, Wujin District, Changzhou, Jiangsu PC 213116

86-519-88902294 88902295

Larger photo of 1-Hydroxyethylidene-1,1-Diphosphonic acid [HEDP]

1-Hydroxyethylidene-1,1-Diphosphonic acid [HEDP]


company	Jiangsu Jianghai Chemical Group
Categories	Fluoride
Update	2011-04-01
Original Region	China
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1-Hydroxyethylidene-1,1-Diphosphonic acid [HEDP]

Abbreviation: HEDP
CAS NO.:2809-21-4
MOLECULAR WEIGHT: 206.02
Molecular FormulaC₂H₈O₇P₂
Structural Formula:

SPECIFICATIONS:

Appearance	Clear, Colorless to pale yellow aqueous solution
Active Content	58.0 - 62.0 %
Phosphorous acid (as PO33- )	2.0% max
Phosphoric acid (as PO43- )	0.8% max
pH (1% Solution)	2.0 max
Density (20°C) g/cm3	1.430 - 1.460
Iron（as Fe）	10ppm max
Chlorides (as CL-)	100 ppm max
Color (APHA)	30 max.
Ca sequestration mg CaCO3/g	480 min
Acetic Acid	1.0% max

APPLICATIONS:
It is mainly used as a Scale & Corrosion Inhibitor, chelating (Sequestrating), deflocculating agent in Cooling and Boiler water treatment, Textile Dying, Detergents etc.

PACKAGE AND STORAGE:
Normally In 250kg net Plastic Drum, IBC drum can also be used as required.
Storage for ten months in a cool, dry, well ventilated area , away from incompatible substances . Handle with care .Keep containers tightly closed.

HEDP is available with lower Chloride level, lower Iron level, lower Arsenic level
HEDP is also available with its Sodium Salt solution or kalium salt solution

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Polyamino Polyether Methylene Phosphonic Acid[PAPEMP]

Homopolymer of Maleic Acid[HPMA]

Disodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid[HEDPS(Na-2)](solid)

Maleic Anhydride/Acrylic Acid Copolymer[MA/AA]