CAS 2809-21-4 1-Hydroxyethylidene-1 HEDP
Model NO.
HEDP
Stability
Stable
Melting Point
198~199
Molecular Weight
206.03
Transport Package
250kg in a Plastic Drum
Trademark
ChemFine
Origin
China
Reference Price
$ 8.89 - 11.59
Description
Product Description
Structure formula of HEDP:
Specification of HEDP:
Please see the following form.
Usage of HEDP:
Specification of HEDP:
Please see the following form.
Usage of HEDP:
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. 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.
Package and Storage of HEDP:
HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Factory of HEDP:
Our factory has a rigorous quality-control in the whole manufacturing process and a
discreet quality-inspection after production so as to ensure a good and satisfactory
quality of products before they flow into the market.
Some photos of our factory are showed as follows
| 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 PO 3 3-) % | 2.0 max | 0.5 max |
| Phosphoric acid (asPO 4 3- )% | 0.8 max | 0.5 max |
| Chloride (as Cl - )% | 0.01 max | 0.01 max |
| pH (1 solution) | 2 max | 2 max |
| Density (20)g/cm 3 | 1.40 | - |
| Fe ion ppm | 10 max | 20 max |
| Colour APHA (Hazen) | 40 max | - |
Package and Storage of HEDP:
HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Factory of HEDP:
Our factory has a rigorous quality-control in the whole manufacturing process and a
discreet quality-inspection after production so as to ensure a good and satisfactory
quality of products before they flow into the market.
Some photos of our factory are showed as follows
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