1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) [ 2809-21-4 ]

Cas Number: 2809-21-4
Product Code
119267
Product Name
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
Cas Number
2809-21-4
Appearance
light beige powder
Boiling Point
303.8 ( ℃ )
Quality index comply with employed by HG/T 3537-1999
Item mesh refers to the standard
Employed by HG/T 3537-1999
Outside view colorless transparent liquid or yellowish white powder solid
Active component (HEDP plan) % 89.0 60.0 50.0 p
Phosphite with PO33 - plan) (more than 2.0 2.0 0.80 %
Phosphoric acid (in PO43 - plan) more than 0.8 0.8 0.50 %
Chloride (with Cl - plan) % acuities 1.0 1.0 0.10
PH value (1%) more than 2 2 solution 2.0
Density (20 ℃) g/cm3 p 1.34 1.40 --
Iron (in Fe3 + plan) content more than 10 10 PPM 5.0
Active components (in HEDP, H2O plan) % p - 98.0