Potassium salt of 1-Hydroxy Ethylidene-1,1- Diphosphonic Acid (HEDP·K2)

Contact Us

CAS No. 21089-06-5
Synonym: 1-Hydroxyethane-1,1-diphosphonic acid potassium salt; (1-hydroxyethylidene)bisphosphonic acid;potassium salt
Molecular Formula: C2H6O7P2K2
Structural formula:

1. Performance and usage
HEDP·K2 is the potassium salt of HEDP. Compared with the sodium salt of HEDP, HEDP·K2 has higher solubility under neutral conditions and is an excellent inhibitor of calcium carbonate scale. HEDP·K2 is mainly used for metal corrosion inhibition and swimming pool antifouling, metal cleaning, container cleaning, iron scale control, metal pretreatment, low pressure boiler water treatment, circulating water treatment.

2.Technical indicators

Items	Index
Appearance	Colorless to yellowish transparent liquid
Active content(HEDP), %	26.0-30.0
Total phosphoric acid (PO43-), %	24.7-26.7
Fe, mg/L	≤ 20
pH (1% water solution)	6.0-8.0
Density (20℃), g/cm3	1.30-1.40

3.Package and Storage:
30 kg or 250kg plastic barrel; can also be determined according to clients’ demand. 
Store in a cool and ventilated place indoors, storage period is 1 year.

4. Safety protection
HEDP K2, pay attention to labor protection during operation, avoid contact with the skin, eyes, etc., and rinse with a lot of water after contact.

If need TDS, MSDS, COA, please leave message to us.