1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)(Cas no:2809-21-4) By ShandongXintai Water Treatment Technology Co., LTD,

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)(Cas no:2809-21-4)

FOB Price

Get Latest Price

600 ~ 710 / Metric Ton

1 Metric Ton Minimum Order

Country:

China

Model No:

2809-21-4

FOB Price:

600 ~ 710 / Metric Ton (Negotiable) Get Latest Price

Place of Origin:

Price for Minimum Order:

600 per Metric Ton

Minimum Order Quantity:

1 Metric Ton

Packaging Detail:

Normally In 250kg net Plastic Drum, IBC drum or as your request

Delivery Time:

7 to 14 Days

Supplying Ability:

2000 Metric Ton per Month

Payment Type:

T/T, L/C, D/P, Western Union

Product Group :

Polycarboxylic Antiscale and Dispersant

Product Specification

Other Names: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
MF: C2H8O7P2
Purity (%): 50%-60%
Type: organophosphoric acid
Usage: Surfactants

Appearance:Colorless or light yellow transparent liquid
Active content (HEDP) % :58.0-62.0

Product Description

Properties:
HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature **0℃. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.
The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals.
Specification:

items	index
Appearance	Colorless or light yellow transparent liquid	White crystal powder
Active content (HEDP) %	8.**2.0	*0 min
Phosphorous acid (as PO₃^*-)%	2.0 max	0.8 max
Phosphoric acid (asPO₄^*- ) %	0.8 max	0.5 max
Chloride (as Cl^-)%	0.*1 max	0.*1 max
pH (1% solution)	2 max	2 max
Density (*0℃) g/cm³	1.*0	—
Fe ion ppm	*0 max	5 max
Colour APHA (Hazen)	*0 max	—

Usage and Dosage:
HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of ***0mg/L is preferred as scale inhibitor, ****0mg/L as corrosion inhibitor, and ********0mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.
Packing and Storage:
HEDP liquid: Normally **0kg net in drum, IBC, or per customers. HEDP solid: *5kg in inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Storage for ten months in room shady and dry place.
Safety Protection:
Acidity, Avoid contact with eye and skin, once contacted, flush with water immediately.　

Country:	China
Model No:	2809-21-4
FOB Price:	600 ~ 710 / Metric Ton (Negotiable) Get Latest Price
Place of Origin:	-
Price for Minimum Order:	600 per Metric Ton
Minimum Order Quantity:	1 Metric Ton
Packaging Detail:	Normally In 250kg net Plastic Drum, IBC drum or as your request
Delivery Time:	7 to 14 Days
Supplying Ability:	2000 Metric Ton per Month
Payment Type:	T/T, L/C, D/P, Western Union
Product Group :	Polycarboxylic Antiscale and Dispersant