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Tetra Sodium Of 1 Hydroxy Ethylidene Diphosphonic Acid Hedp Na4 - China

price: contact company for price

Tetra sodium of 1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid(HEDP•Na4)

CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms: Tetrasodium

etidronate

Molecular Formula: C2H4O7P2Na4 Molecular weight: 294

Structural Formula:

Properties:

HEDP•Na4 is the sodium salt of HEDP, 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.

Specification:

items index

Appearance White powder Colorless to yellowish transparent liquid

Active content (HEDP)% 56.0 min 20.3-21.7

Active content (HEDP•Na4)% 79.9 min 29.0-31.0

Total phosphoric acid (as PO43-) % 52.0 min 18.4-20.4

Fe,mg/L 35.0 max 20.0 max

Moisture,% 15 max --

Density (20C)g/cm3 -- 1.26-1.36

PH 11.0-12.0 (1% water solution) 10.0-12.0 (as it)

Phosphorous Acid % 1.0 max

Colour APHA 50.0 max

Package and Storage:

Liquid: 200L plastic drum, IBC(1000L), customers’ requirement.

Solid: 25kg/bag, customers’ requirement. Storage for ten months in shady room and dry place.

Safety Protection:

Weak acidity, Avoid contact with eye and skin, once contacted, flush with water.

Tetra Sodium Of 1 Hydroxy Ethylidene Diphosphonic Acid Hedp Na4

For any questions and needs please contact us below


Company Contact:


  • Phone: 86-632-5796776

  • Address: Zhongtian Road, Shizhong district, Zaozhuang city,, Zaozhuang, China

  • Email: Email


Published date: September 10, 2012 -

  • Business Description: Youbang Chemicals Co., Ltd. ( YBC), founded in 1999, is one of the largest Chinese manufacturers of polymers, biocides, phosphonates and other water treatment chemicals.

    YBC has acquired its Certification for ISO9001 Quality Management System (QMS), Certification for ISO9001 14001 Environmental Management System (EMS) and Certification for OHSAS 18001 Occupational Health and Safety Assessment Series.

    YBC has also been granted network access license for water treatment chemicals for electric power systems and SINOPEC.

    YBC boasts of stable product quality, reliable product performance, complete product line of water treatment chemicals, customized products, rapid response, timely delivery and perfect post sales service. With a total staff number of 300, an annual capacity of 50,000 MT and an annual turnover of $65 Million, YBC provides its products through reliable agencies and distributors worldwide.

    YBC is dedicated to manufacture of high quality water treatment chemicals for extensive applications in numerous fields of industrial water treatment, including but not limited to: oilfields, boilers, cooling towers, geothermal power plants, and reverse osmosis systems, etc.

    YBC is always committed to R&D and innovation. YBC s pilot and bench test facilities allow for various performance evaluation tests on a basis of customized formulations.

    YBC, your professional supplier and partner of water treatment chemicals in China.

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