HEDP.Na4 CAS 3794-83-0
Sinochem is a major HEDP.Na4 & Tetrasodium etidronate supplier. Meanwhile, our firm staffs a group of experts devoted to your development of China HEDP.Na4 & Tetrasodium etidronate.
HEDP.Na4 granule is the tera sodium salt of HEDP. HEDP.Na4 has excellent scale inhibition for calcium carbonate (CaCO3) and chlorine stability.
HEDP.Na4 granular form has excellent free flowing and handling properties. Very low dust content(dust-free solid). Finds use in Household detergents, I&I cleaners, etc. Can be easily tableted. HEDP.Na4 granular form is ideal for solid grade formulations.
- Cooling water systems/ industrial water treatment
- Industrial detergents
- Metal surface treatment as corrosion inhibitor for steel
HEDP.Na4 Description
NAME: HEDP.Na4 & Tetrasodium etidronate
Synonyms: HEDP Tetrasodium Salt / Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid / Tetrasodium (1-hydroxyethylidene)bisphosphonate / Hydroxy Ethylidene Diphosphonic Tetrasodium
Molecular Formula: C2H4O7P2Na4
Molecular Weight: 294
CAS NO.: 3794-83-0
Density: N/A
Boiling point: 578.8ºC at 760mmHg
Melting point: 198-199ºC
Flashing point: 303.8ºC
Appearance: Brown viscous liquid
Solubility: Soluble in water and ethanol
Properties:
1. HEDP•Na4 is the sodium salt of HEDP, HEDP•Na4 is an 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.
2. The solid HEDP•Na4 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts. It is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250℃.
3. 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.. In light woven industry, HEDP•Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na4 is used as chelating agent.
Package:
Liquid: 200L plastic drum, IBC(1000L), customers’ requirement.
Solid: 25kg/bag, customers’ requirement.
Storage: Store at room temperature and keep dry
Safety Protection: Weak acidity, Avoid contact with eye and skin, once contacted, flush with water.
About Us: With over many years as a certified HEDP.Na4 & Tetrasodium etidronate manufacturer, we combine innovation with stringent production standards to deliver high-performance product.
Hot tags: DEQUEST 2016; Turpinal 4NL; Tarpinel 4NL; Sequion 10Na4
Tetrasodium etidronate Technical
| Item | Index | |
| Appearance | Colorless to yellowish transparent liquid | White powder |
| Active content (HEDP)% | 20.3-21.7 | 60.0 min |
| Active content (HEDP•Na4)% | 29.0-31.0 | 85.0 min |
| Phosphoric acid (as PO43-)% | 18.4-20.4 | 55.0 min |
| Fe, mg/L | 20.0 max | 35.0 max |
| Moisture，% | – | 10.0 max |
| Density (20℃)g/cm3 | 1.26-1.36 | – |
| PH (1% water solution) | 10.0-12.0 | 11.0-12.0 |
As a certified HEDP.Na4 & Tetrasodium etidronate factory, we adhere to strict quality protocols, with every batch undergoing rigorous testing to ensure consistent efficacy and safety.
HEDP Tetrasodium Salt Applications
Can be complexed with a variety of metal ions. Used as scale inhibitor in cooling water and boiler water treatment. Good heat resistance. 200℃ still has a good effect. Can also be used as corrosion inhibitor, cyanide-free plating additive.
We offer competitive HEDP.Na4 & Tetrasodium etidronate price, and exclusive discounts for large quantities, helping you effectively reduce procurement costs.
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