Organic Chemicals
HEDP 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
Description
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS No. 2809-21-4 Dequest:2010
Molecular Formula: C2H8O7P2 Molecular weight: 206.02
Specification:
items index
Appearance Colorless or light yellow transparent liquid White crystal powder
Active content (HEDP)% 58.0-62.0 89.0 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閿?solution) 2 max 2 max
Density (20閳?g/cm3 1.40 -
Fe ion ppm 10 max 20 max
Colour APHA (Hazen) 40 max -
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