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HEDP 98%
SINOBIO
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
(HEDP)
CAS No. 2809-21-4
Molecular Formula: C2H8O7P2
Molecular weight: 206.02
Hazard class/UN No./Packaging: UN 3265 8/PG III
Structural Formula:
Properties:
Specification:
Item | Standard |
Appearance | white crystalline powder |
Active content (as HEDP. H2O) (%) | 98.0 min |
Phosphorous acid as PO33- % | 0.8 max |
Phosphoric acid as PO43 % | 0.5 max |
Chloride as Cl ppm | 100 max |
PH (1% solution) @20 °C | 2.0 max |
Iron content (Fe ppm) | 20.0 max |
Application:
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.
Package and Storage:
HEDP 98% : 25kg, 25 MT with pallet, 27 MT without pallet
Storage for one year in shady room and dry place.
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
(HEDP)
CAS No. 2809-21-4
Molecular Formula: C2H8O7P2
Molecular weight: 206.02
Hazard class/UN No./Packaging: UN 3265 8/PG III
Structural Formula:
Properties:
Specification:
Item | Standard |
Appearance | white crystalline powder |
Active content (as HEDP. H2O) (%) | 98.0 min |
Phosphorous acid as PO33- % | 0.8 max |
Phosphoric acid as PO43 % | 0.5 max |
Chloride as Cl ppm | 100 max |
PH (1% solution) @20 °C | 2.0 max |
Iron content (Fe ppm) | 20.0 max |
Application:
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.
Package and Storage:
HEDP 98% : 25kg, 25 MT with pallet, 27 MT without pallet
Storage for one year in shady room and dry place.