HEDP Liquid Water Treatment Chemicals

• Customization: Available
• CAS No.: 2809-21-4
• Formula: C2h8o7p2
• Model NO.: ZH111ZS
• EINECS: 229-146-5
• Environmental Protection: Yes
• Color: Yellow
• Appearance: Liquid
• Type: Water Treatment
• Usage: Petroleum, Metallurgy
• Transport Package: 30 Kg Plastic Drum
• Origin: Shandong
• HS Code: 2931399090
• Production Capacity: 10000 Tons Per Year

Product Description

Product Introduction
Hydroxyethylene diphosphonic acid, also known as hydroxy ethylidene diphosphonic acid, abbreviated as HEDP, its standard code is ZH111ZS. In addition to good scale inhibition performance, it also has a certain corrosion inhibition effect. It is widely used as scale and corrosion inhibitionin for industrial circulating water in electric power, chemical industry, metallurgy and other industries, oilfield oil injection water and winter heating circulating water systems. It can be used alone or in combination with other scale and corrosion inhibitors. It is a water treatment agent with excellent performance.

Quality Index

Item	Standard
Appearance	Colorless to light yellow liquid
Density (20ºC)	≥1.34g/cm^3
PH Value (1.0% aqueous solution)	≤2.0
Active Ingredient Content (HEDPA)	≥50.0%
Phosphoric Acid Content (PO4^3-)	≤1.0%
Phosphorous Acid Content (PO3^3-)	≤3.0%
Calcium Chelating Capacity	≥ 450 mg/g

Note:The specification can be made as as requirement.

Application Method
Our technical engineers will provide detailed dosing plans and monitoring indicators according to the specific water circulation system technology, water quality and material conditions.

Safety & Protection
Hydroxyethylene diphosphonic acid is a weak organic acid and corrosive. If  touch the skin, please wash with water in time.

Packaging & Storage
This product is packed in 30 kg plastic drums, and can be also packed according to user's requirements.
Avoid exposure to the sun light during storage, store in a ventilated and dry warehouse, the temperature should be higher than 0ºC, and the storage period is 12 months.

Factory Equipment
FAQ

 1. Delivery time 

a) For the stock items, we can arrange the shippment within 5~7days after received your payment.
b) For the customized items, we will indicate the delivery time in the quotation list. 

2. MOQ&Shipping

a) Full containers by sea 

b) Small quantity by air or by LCL or by Express as your requirement

3. Payment term

a) Small quantity recommend West Union

b) Full containers  recommend T/T or  L/C

4.How is the charge for sample?

Free samples could be offered and pls kindly pay the express charge.

5. Can you give warranty of your products?

Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with our quality and service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.

6.Can I visit your factory?

Sure, warm welcome. If you have visiting plan, please contact us to make an appointment in advance.