Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP?Na4)

Min.Order / FOB Price:Get Latest Price

100 Gram	Negotiable

100 Gram

Negotiable

Min.Order :100 Gram
Purity: 99%
Payment Terms : L/C,T/T,,MoneyGram,Other

Keywords

Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP?Na4) 29329-71-3 (x-Na), 3794-83-0 (4-Na) C2H4O7P2Na4

Quick Details

Appearance:Colorless to yellowish transparent liquid and White powder
Application: Used for research and industrial manufacture
PackAge:As customer request
ProductionCapacity:100|Kilogram|Month
Storage: Storage for ten months in shady room and dry place.
Transportation:Common Product:Sea/Air/Courier Dangerous Chem：sea and air

Superiority:

Details:

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 250℃.

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	Colorless to yellowish transparent liquid	White powder
Active content (HEDP)%	20.3-21.7	60.0 min
Active content (HEDP•Na₄)%	29.0-31.0	85.0 min
Total phosphoric acid (as PO₄^3-)%	18.4-20.4	55.0 min
Fe, mg/L	20.0 max	35.0 max
Moisture，%	--	9.0 max
Density (20℃)g/cm³	1.26-1.36	--
PH (1% water solution)	10.0-12.0	11.0-12.0

Safety Protection:

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

Synonyms:

Tetrasodium (1-hydroxyethylidene)bisphosphonate

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