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Current Position: Home > Product >Organic Raw Material >Etidronic Acid HEDP 60% Liquid 90% Powder CAS 2809-21-4
Product
Etidronic Acid HEDP 60% Liquid 90% Powder CAS 2809-21-4
  • Brand:hebei qujie
  • Model:25kg/Bag
  • Purity:99%
  • Cas:2809-21-4
  • Createtime: 2026-06-09
  • Updatetime: 2026-06-09
Product Details
useage Scale inhibitor, chelating agent
deliveryInfo
appearance white powder
aliasen
supplyCapacity 50T/Month
harbor tianjin qingdao shanghai
minorder 1KG
Product Description

Product Name: powder HEDP 90%
Other Names: 1-Hydroxyethylidene-1,1-diphosphonic acid
1.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..
2.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;

3.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.
4.
Usually, HEDP is used together with polycarboxylic acid.

Detailed Photos


Product Description

Items
HEDP 60%
HEDP 90%
Appearance
Clear, Colorless to pale yellow aqueous solution
White crystal powder
Active content (HEDP)%
60.0 min
90.0 min
Active content (HEDP·H2O)%
-
98.0 min
Phosphoro acid (as PO33-)%
1.0 max
0.8 max
Phospho acid (as PO43- )%
0.6 max
0.5 max
Chloride (as Cl-)%
0.01 max
0.01 max
pH (1% water solution)
2.0 max
2.0 max
Density (20oC)g/cm3
1.40 min
-
Fe, mg/L
10.0 max
5.0 max
Colour APHA (Hazen)
10.0 max
-
Ca sequestration (mg CaCO3/g)
500.0 min
-

Packaging & Shipping

 




FAQ

Q1: Sample request

Could I get a sample before placing an order?

For high-value items, you only need to cover the sample cost and shipping fee. After long-term cooperation or once you become our VIP client, we can provide free samples upon your request.

Q2: Payment terms

We accept T/T, L/C and trade insurance. You may pick the option that suits you best.

Q3: Delivery & lead time after payment

Small orders will be sent via international couriers (DHL, FedEx, TNT) or air freight. You will receive the goods within 3 to 5 working days after shipment.

For bulk orders, sea shipping is the most cost-effective choice. Transit time ranges from several days to weeks, depending on your destination port.

Q4: Custom packaging & labels

Yes, we support customized labels and packaging as per your requirements.

Q5: Quality assurance

All our products are fully qualified. We conduct strict testing and will provide the Certificate of Analysis (COA) prior to delivery.

 

After-sales Service

1. All products are manufactured and inspected in compliance with national standards. Defective goods are never delivered. We strictly abide by quality commitments and after-sales regulations.

2. If you have any quality complaints, we will respond within 24 hours. Should our products fail to meet quality standards, we offer a full refund.