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Hedp Na4

Posted at: Offers to Sell and Export | Posted on: Tue 13 Jul, 2010 3:53 am |
 
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Products Photos CatalogHedp Na4 Photos Catalog




Product Name HEDP.Na4

Chemical name Tetra sodium of 1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid



CAS

No. 29329-71-3(x-Na), 3794-83-0(4-Na)

MolecularFormr C2H4O7P2Na4

MolecularWeight 294

CommonName: Dequest 2016

Chemical

Structure

Specifications

items index

Appearance Clear, Colorless to paleyellowAqueousSolution White powder ColorlessToLightyellow TransparentLiquid

Active component (HEDP)% 56.0 min 20.3-21.7

Active component (HEDP•Na4)% 22.0-24.0% as acid 79.9 min 29.0-31.0

32.0-34.0% as salt

Total phosphoric acid (asPO43-) % 52.0-54.0 18.4-20.4

Fe ppm 20max 35.0 max 20 max

Dry weight loss % 15 max --

density (20℃)g/cm3 1.31min. -- 1.26-1.36

PH(1%WaterSolutionn) 10.0-12.0 11.0-12.0 10.0-12.0 (as it)

Color (APHA) 80max.

Properties :Dequest 2016 is the sodium salt of Dequest 2010, HEDP.Na4 is an good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.

The solid HEDP.Na4 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts. It is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250C.

HEDP.Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP.Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP.Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP.Na4 is used as chelating agent.

APPLICATIONS:HEDPS(Na-4) 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:

For liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. For solid: inner liner polyethylene(PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place.

Note:Also available dry powder form



Company Contact:

No member photo
Contact Name: Sandy
Company Name: Shanghai Kima Chemical
Email: Email
Tel: 0086-21-52661975
Fax: 0086-21-52661949
Street Address: Rm 2219, 22f,
Zhongyi Mansion, No. 2, Lane 1040,
Caoyang Road, Shanghai, China 200063
Website: http://www.kimachem.com
Member name: Kimachem2010
Country: China-CN China
Member Since: 22 April 2010
Total Leads: 50 Kimachem2010 Import Export Business Leads
Business focus: Agrochemicals, Water Treatment Chemicals, Silicone Sealants, Thickeners
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