1.HEDP 90%min solid 2.High quality at best price 3.Factory provide directly 4.Fast delivery 5.Free sample 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid----HEDP

         Shanghai Sungo is the leading group with ourself manufacturer factory base in Jiangsu and Anhui province. We committed ourselves to be the biggest and top supplier for Water treatment chemicals, fluoride Chemicals, oil field chemicals, basic and fine chemical raw materials, textile printing and dyeing chemicals, paper chemical and Polyurethane material series etc. Such as HEDP, PAC, POP, TDI and so on. 

 

HEDP     Specifications:

items	index
Appearance	Colorless or light yellow transparent liquid	White crystal powder
Active content(HEDP)%	58.0-62.0	90.0 min
Phosphorous acid (as PO33-)%	2.0 max	0.5 max
Phosphoric acid (asPO43- )%	0.8 max	0.5 max
Chloride (as Cl-)%	0.01 max	0.01 max
pH(1% solution)	2 max	2 max
Density (20°C)g/cm3	1.40	—
Feion ppm	10 max	20 max
Colour APHA (Hazen)	40 max	—

Usage:

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 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.

 

Safety Protection:

 Avoid contacting with eye and skin, once contacted, flush with water