Negotiable
The date of payment from buyers deliver within days
Shandong
Long-term effective
2023-07-20 16:28
322
Company Profile
Shandong Keyu Water Treatment Co., LtdBy certification [File Integrity]
Contact:yingxin(Mr.)
Email:
Telephone:
Phone:
Area:Shandong
Address:Shandong
Website:http://www.yingxinwater.com/ http://yingxin.cninsole.com/
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP)
Â
Â
HEDP;HEDP(A);HEDPA;
Etidronic Acid;
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid;
Hydroxyethylidene-1,1-diphosphonicacid(HEDP);
1-Hydroxyethylidenediphosphonic Acid;
Hydroxyethylidene Diphosphonic acid(HEDP);
1-Hydroxy-1,1-Ethanediyl ester;
Oxyethylidenediphosphonic Acid(OEDP)
Â
CAS No. 2809-21-4
Molecular Formula: C2H8O7P2 Molecular weight: 206.02
Structural Formula:
Â
Â
HEDP is a widely used organic phosphonic acid compound in water treatment applications.HEDP has good chemical stability under high pH value and is hard to be hydrolyzed.It is a highly effective scale ,HEDP is a popular EDTA substitute,HEDP is commonly utilized in industrial water systems, boilers, cooling towers, and other water treatment processes.
Â
Â
Items | Index | |
Appearance | Clear, Colorless to pale yellow aqueous solution | White crystal powder |
Active content (HEDP), % | 58-62 | 90.0 min |
Active content (HEDP·H2O), % | - | 98.0 min |
Phosphorous acid (as PO33-), % | 2.0 max | 0.8 max |
Phosphoric acid (as PO43-), % | 0.8 max | 0.5 max |
Chloride (as Cl-), ppm | 100.0 max | 100.0max |
pH (1% water solution) | 2.0 max | 2.0 max |
Density (20℃), g/cm3 | 1.43-1.47 | - |
Fe, mg/L | 20.0 max | 10.0 max |
Color APHA (Hazen) | 40.0 max | - |
Ca Sequestration (mg CaCO3/g) | 500.0 min | Â |
Â
Â
HEDP is used together with polycarboxylic acid.The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts.
Â
Â
HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.
HEDP solid: 25kg/bag,customers’ requirement.
Storage for twelve months in room shady and dry place.
Â
Â
Acidity, Avoid contact with eye and skin, once contacted, flush with water. 
Â
http://www.yingxinwater.com/
ADORE 3500 Puffs Rechargable E Cigarette
price:Negotiable
NEO 9 Smart Phone 6.82" Android 13 6GB RAM+128GB ROM
price:Negotiable
5D9553 Cat Style 72 Grader Cutting Edge 6 ft Grader Blade
price:Negotiable
Wire Nails
price:Negotiable
Modern Design Nightstand
price:Negotiable
Brass Stamped Metal Parts
price:Negotiable