Author : Vinipul Inorganics Pvt. Ltd. | Published on : 08 Nov 2021
HEDP 2Na
High-purity HEDP 2Na (Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid) | CAS No. 7414-83-7 – speciality phosphonate-based chelating and scale-inhibiting agent from Vinipul Inorganics Pvt. Ltd., a trusted manufacturer, supplier, and exporter in India known for high-quality water treatment chemicals.
Our HEDP 2Na offers excellent metal ion sequestration, scale inhibition, and corrosion prevention, suitable for both acidic and alkaline conditions.
| Chemical Name | HEDP 2Na (Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid)  |
| CAS No | 7414-83-7 |
| EC Number | 230-975-6 |
| Molecular Formula | C₂H₆Na₂O₇P₂ |
| Molecular Weight | 250.02 g/mol |
| Appearance | Clear, colorless to light yellow transparent liquid |
| Active Content (as HEDP 2Na) | 20% ± 1% |
| pH (1% Solution) | 4.0 – 6.0 |
| Specific Gravity (25°C) | 1.20 – 1.30 g/cm³ |
| Solubility | Fully soluble in water |
| Chelation Value (as CaCO₃) | ≥ 400 mg/g |
| Packaging Details | 30 kg / 50 kg / 250 kg HDPE drums / IBC tanks / as per client’s requirement |
HEDP 2Na manufacturer, supplier and exporter in India
Table of Contents
HEDP 2Na Description
HEDP 2Na (Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid) is a phosphonate-based organic compound used primarily as a corrosion and scale inhibitor in water treatment systems. It is the sodium-neutralized form of HEDP Acid, making it less acidic and easier to handle in liquid formulations.
At Vinipul Inorganics Pvt. Ltd., we produce HEDP 2Na using high-purity HEDP Acid neutralized with sodium hydroxide under strict quality control, resulting in a clear, stable liquid that performs effectively in circulating cooling water, boiler feedwater, RO plants, and industrial cleaning formulations.
HEDP 2Na exhibits excellent stability under alkaline conditions and high temperatures, preventing the formation of scale by forming soluble complexes with calcium, magnesium, and iron ions. It also works synergistically with zinc salts, polycarboxylates, and azoles for superior corrosion control.
Scientific Note: Compared to HEDP Acid, HEDP 2Na offers improved handling safety, neutral pH stability, and enhanced compatibility with alkaline water treatment systems.
Vinipul Inorganics Pvt. Ltd. is one of the leading manufacturers, suppliers, and exporters of HEDP 2Na in India, serving water treatment, detergent, textile, and industrial chemical sectors across India, Asia, and the Middle East.
We ensure high active content, batch consistency, and export-grade packaging.
HEDP 2Na Latest Price
HEDP 2Na Latest Price : __________ INR *
Prices shown above are provisional and may vary with purity, active content, and packaging. For current rates please contact +91-9022030847 or send an enquiry through the form. Vinipul Inorganics Pvt. Ltd. guarantees competitive pricing and quick delivery for bulk and export orders.
Specifications / Technical Parameters of HEDP 2Na
For detailed technical specifications or COA, please contact us.
Available grades include:
- HEDP 2Na (20%) Standard Grade
- HEDP 2Na (30%) Concentrated Grade (on request)
- Water Treatment Grade
- Industrial & Detergent Grade
Custom formulations are available for closed cooling circuits, oilfield, textile bleaching, and RO membrane cleaning.
For additional information about compatibility and formulation stability, contact Vinipul Inorganics Pvt. Ltd. at +91-9022030847 or use the enquiry form.
Industrial Applications / Uses of HEDP 2Na
- Used as scale and corrosion inhibitor in cooling towers, boilers, and closed water systems.
- Used as a chelating agent for metal ions in industrial water treatment.
- Used in textile dyeing and bleaching processes for peroxide stabilization.
- Used in detergent formulations to prevent precipitation of metallic impurities.
- Used in reverse osmosis (RO) membrane cleaning chemicals.
- Used in industrial cleaners and acid pickling baths to minimize scale deposition.
- Used as a stabilizer in hydrogen peroxide and bleaching solutions.
- Used in oilfield water injection systems for scale control.
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