Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809 -21-4

Model NO.
HEDP 2809-21-4
EINECS
220-552-8
Classification
Etidronic Acid
Appearance
Powder
Grade Standard
Industrial Grade
Acid Strength
Strong Acid
Kind
Inorganic Acid
Quality
Tech Grade
Packaging
Fiber Drum
Stability
Stabilized Acid
Molecular Weight
206.03
Melting Point
198~199ºC
Boiling Point
578.8±60.0 °c
Density
1.45
pH
1.3-1.8
Transport Package
Drum
Specification
99%
Trademark
FENGJIA
Origin
China
HS Code
29319090
Production Capacity
5000kg/Week
Reference Price
$ 9.00 - 13.50
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Product Description

Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809-21-4 
 
Product Description
Product name: HEDP
Chemical name: 1-Hydroxyethylidene-1,1-diphosphonic acid
Synonyms: Etidronic acid; Acetodiphosphonic acid; Hydroxyethanediphosphonic acid
CAS No.: 2809-21-4
Formula: C12H14N2
EINECS No.: 220-552-8
Molecular Weight: 206.03
Appearance: Colorless to pale yellow liquid or crystalline powder
Solubility: Soluble in water
Product Specification
Item
Specification
Appearance
WHITE CRYSTAL POWDER
  PH
≤2.0
  Active Content (%)
≥90.0%
   ACTIVE CONTENT (as HEDP.H2O) % ≥98.0%
   Iron (As Fe), ppm
10ppm max
   Chloride (Aa Cl-),%
0.05 max
  Chloride
≤100 ppm
  Fe
≤10 ppm
Product Application
HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..
In light woven industry, HEDP is used as detergent for metal and nonmetal.
In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;
In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid
Detailed Photos
Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809-21-4
Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809-21-4
 
Packaging & Shipping

Packaging for Solid:
Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809-21-4
Packaging for Liquid:
Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809-21-4
Shipping:

Water Treatment Chemical HEDP Powder Etidronic Acid CAS 2809-21-4

Company Profile

Hebei Fengjia New Material Co.,Ltd is a leading chemical company headquartered in Shiajiazhuang, China. specializing in the production and supply of a diverse range of chemical products. Established in 2025, we have built a strong reputation for our commitment to quality, customer service, and sustainability. Our extensive portfolio includes industrial chemicals, food ingredients, and cosmetic raw materials, serving various sectors such as manufacturing, cosmetic, food and beverage, and pharmaceuticals.

With a robust network of trusted suppliers and a strategic geographic footprint across Europe, Asia, and North America, Hebei Fengjia New Material Co.,Ltd is dedicated to providing reliable, high-quality solutions tailored to meet the specific needs of our clients. We prioritize sustainable practices in our operations, ensuring that we contribute positively to both our customers and the environment. Our experienced team of professionals is committed to fostering long-term partnerships, guiding clients through every step of the chemical trading process.

At Fengjia New Material, we are not just suppliers; we are your strategic partners in achieving success.

FAQ

Q1. Can I have a sample order for your product?
A: Yes, we welcome sample order to test and check quality.

Q2. What about the lead time?
A: Usually need 3-5 days, mass production time usually needs 1-2 weeks. The exact lead time need to be confirmed according to exact product and quantity.

Q3. How do you ship the goods?
A: For small quantity, we can ship by DHL, UPS, FedEx or TNT to make it fastest to arrive. For big quantity, we can ship by air, sea, train according to exact situation. We also support DDP shipping.

Q4. How to start orders or make payments?
A:   Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T

Q5: How to deal with the faulty?
A: Firstly, we have strict quality control system and will take care of the quality for you.
Secondly, we will help you to solve the problems in case there's a problem.

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