Industrial Grade Hedp 1 Diphosphonic Acid Scale And Corrosion Inhibitor - China

Product Name:

1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid

Common Names: HEDP, HEDPA, Hydroxyethylidene Diphosphonic Acid, (1-Hydroxyethylidene)-1, 1-Diphosphonic Acid

CAS No:

2809-21-4

EC No: 220-552-8

Molecular Formula:

C₂H₈O₇P₂

Molecular Weight:

206.03 g/mol

Chemical Structure:

A central carbon atom connected to a methyl group (CH₃), a hydroxyl group (OH), and two phosphonic acid groups (PO₃H₂).

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Specifications

Item

Liquid (GB/T26324-2010)

Liquid (HG/T3537-2010)

Solid (HG/T3537-2010) Appearance

Colorless or pale yellow transparent liquid

—

White crystalline powder Active Content (HEDP), %

≥50.0

≥60.0

≥90.0 Active Content (HEDP·H₂O), %

—

—

≥97.0 Phosphorous Acid (PO₃³⁻), %

≤2.00

≤2.00

≤0.80 Phosphoric Acid (PO₄³⁻), %

≤0.80

≤0.80

≤0.50 Chloride (Cl⁻), μg/g

≤200

≤100

≤100 Iron (Fe²⁺), mg/L

≤20.0

≤10.0

≤10.0 Density (20℃), g/cm³

≥1.36

≥1.40

— Calcium Chelation Value, mg/g

≥450

≥500

— Grade

Technical Grade

Technical Grade

Technical Grade ---

Packaging

• Liquid: 25kg or 250kg plastic drum (customized packaging available)

• Solid: 25kg plastic woven bag with polyethylene liner (customized packaging available)

• Other options: 1000kg IBC available upon request

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Applications

HEDP is a highly effective organophosphonic acid scale inhibitor and corrosion inhibitor, widely used in:

• Circulating cooling water systems in power, chemical, metallurgy, and fertilizer industries

• Medium/low-pressure boilers, oilfield water injection and pipeline scale/corrosion control

• Metal and non-metal cleaning agents in textile industry

• Peroxide stabilizer and fixing agent in dyeing processes

• Complexing agent in non-cyanide electroplating

• Cleaning agent in electronics industry, additive in daily chemicals

• Carrier for radioactive elements in pharmaceuticals

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Certifications & Compliance

• Standards: Complies with GB/T26324-2010 or HG/T3537-2010

• Food/Pharma Grade: Not food or pharmaceutical grade unless otherwise specified

• Kosher/Halal: Available upon request for certain grades

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Supply Capacity, Lead Time, MOQ & Shipping

• Production Capacity: 1600 MT/month

• Lead Time: 7–14 days after order confirmation

• Minimum Order Quantity (MOQ): 1 MT • Shipping Ports: Qingdao, Shanghai, Tianjin (others upon request)

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Typical Usage

• Scale Inhibitor: 1–10 mg/L

• Corrosion Inhibitor: 10–50 mg/L

• Cleaning Agent: 1000–2000 mg/L Recommended to blend with polycarboxylate dispersants for enhanced effect.

Specific dosage should be determined by testing for your process.

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Storage & Safety

• Store in a cool, dry, and well-ventilated area, away from moisture.

• Shelf life: 12 months.

• HEDP is acidic; wear protective gear during handling.

In case of skin or eye contact, rinse immediately with plenty of water.

Company Contact:

• Posted By: LAIZHOU JINXING CHEMICAL CO., LTD.

• Phone: +86 18953884105

• Address: No. 185, Haimiaohou Industrial District, Laizhou Yantai,Shandong China, Laizhou , Shandong , China

• Email:

• Website: https://www.lzjxchem.com/

• Business Description: Currently,we focus on the production of 99.5% Sulfamic Acid(CAS: 5329-14-6),we are now one of the largest manufacturers of Sulfamic Acid in north China with good quality and large volume.
  
  Our product capacity is more than 1600 tons/month ;At present, we have approved the new factory.
  
  It is estimated that the new factory will be put into operation in 2-3 years, and the production capacity will be doubled compared with the current one.
  
  Our company has more than 47 years history of chemical manufacturing,we have top-class foundation and chemical manufacturing technology, strong techincal strength and advanced manufacturing technology.
  
  Based on years of accumulated experience,we have established a complete quality controlling system and market network system.
  
  Especially in the production of 99.5%Sulfamic Acid,our factory has developed a unique system of quality control and inspection in the production process of sulfamic acid,to ensure that each batch of goods we send to customers are qualified and stable quality.
  
  In terms of product packaging and delivery,we will provide you with professional loading,
  
  we have one team supervise uploading the materials,to check the container, the packages to make sure the goods are well packed when they reach the customer.