Main Products
- Phosphonates Antiscalants, Corrosion
Inhibitors and Chelating Agents - Salts of Phosphonates
- Polycarboxylic Antiscalant and Dispersant
- Biocide and Algicide
- Corrosion Inhibitor
- Oxygen Scavenger
- Other
Falizan Tasfyeh Water Treatment Technologies Co., Ltd.
TEL: +98-21-22266035
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Tetra sodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.Na4)
CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms: Tetrasodium etidronate
Molecular Formula: C2H4O7P2Na4 Molecular weight: 294
Structural Formula:
Properties and Usage:
HEDP.Na4 is the sodium salt of HEDP, HEDP.Na4 is a good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.
HEDP.Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.
Specification:
Item |
Index |
Appearance |
Colorless to yellowish transparent liquid |
Active content (HEDP.Na4)% |
29.0-31.0 |
Active content (HEDP)% |
20-22 |
Total phosphoric acid (as PO43-) % |
18.4-20.4 |
Density (20℃)g/cm3 |
1.26-1.36 |
pH |
10.0-12.0 |
Package and Storage:
200L plastic drum, IBC (1000L), customers' requirement.
Safety Protection:
Weak acidity, avoid contact with eye and skin, once contacted, flush with water.
Synonyms:
Tetrasodium (1-hydroxyethylidene)bisphosphonate)