Product Description

 

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
(HEDP)

Molecular Formula:   C2H8O7P2               

Molecular weight: 206.02

CAS No.  2809-21-4

 

Technical Data Sheet:

(1) Liquid

Appearance: Clear, Colorless to pale yellow aqueous solution

Active content (HEDP): 58.0-62.0%

Phosphorous acid (as PO33-): 2.0% max

Phosphoric acid  (as PO43- ): 0.8% max

Chloride (as Cl-): 0.02% max

pH (1% water solution): 2.0 max

Density  (20℃) g/cm3: 1.40 min

Fe (mg/L): 20.0 max

Ca sequestration (mg CaCO3/g): 500.0 min

 

(2) Powder

Appearance: White crystal powder

Active content (HEDP): 90.0% min

Active content (HEDP·H2O): 98.0% min

Phosphorous acid (as PO33-): 0.8% max

Phosphoric acid  (as PO43- ): 0.5% max

Chloride (as Cl-): 0.01% max

pH (1% water solution): 2.0 max

Fe, mg/L: 10.0 max

 

Packing:

HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

HEDP solid: 25kg/bag,customers’ requirement.

Payment Terms︰ TT/LC

specifications︰  
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
(HEDP)
Molecular Formula:   C2H8O7P2               
Molecular weight: 206.02
CAS No.  2809-21-4

Technical Data Sheet:
(1) Liquid
Appearance: Clear, Colorless to pale yellow aqueous solution
Active content (HEDP): 58.0-62.0%
Phosphorous acid (as PO33-): 2.0% max
Phosphoric acid  (as PO43- ): 0.8% max
Chloride (as Cl-): 0.02% max
pH (1% water solution): 2.0 max
Density  (20℃) g/cm3: 1.40 min
Fe (mg/L): 20.0 max
Ca sequestration (mg CaCO3/g): 500.0 min

(2) Powder
Appearance: White crystal powder
Active content (HEDP): 90.0% min
Active content (HEDP·H2O): 98.0% min
Phosphorous acid (as PO33-): 0.8% max
Phosphoric acid  (as PO43- ): 0.5% max
Chloride (as Cl-): 0.01% max
pH (1% water solution): 2.0 max
Fe, mg/L: 10.0 max

Packing:
HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.
HEDP solid: 25kg/bag,customers’ requirement.

Advantages︰ Quality Product
Fast Shipment

Pricing︰ Get lastest price

Payment Details︰ TT/LC

Min Order︰ 1000KGS

Ship Date︰ Within 10 days when order confirmed