1-Hydroxyethylidene-1,1-Diphosphonic Acid

1-Hydroxyethylidene-1,1-Diphosphonic Acid

Henan GP Chemicals Co.,Ltd is one of the leading 1-hydroxyethylidene-1,1-diphosphonic acid suppliers and also a professional such manufacturer in China, welcome to buy bulk 1-hydroxyethylidene-1,1-diphosphonic acid from our factory. Email : ramon@gpcchem.com

Description

Henan GP Chemicals Co.,Ltd is one of the leading 1-hydroxyethylidene-1,1-diphosphonic acid suppliers and also a professional such manufacturer in China, welcome to buy bulk 1-hydroxyethylidene-1,1-diphosphonic acid from our factory.

Email : ramon@gpcchem.com

1-Hydroxy Ethylidene-1
Product name1-Hydroxy Ethylidene-1;1-Diphosphonic Acid;HEDP
CAS No.2809-21-4
UN No.3265 8/PG 2
ENS No.220-552-8
SpecificationsAppearanceColorless or light yellow transparent liquid
Active content (HEDP) %60.0 min
Phosphorous acid (as PO33-)%2.0 max
Phosphoric acid (as PO43-)%0.8 max
Chloride (as Cl-) %0.01 max
pH (1% solution)2 max
Density (20℃) g/cm31.44
Iron (as Fe) ppm35 max
Colour APHA (Hazen)40 max

Use / ApplicationHEDP 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.
PackingIn 250kg drum,20FCL=20mt


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