1-Hydroxyethylidene-1,1-diphosphonic acid in bulk supply
24 Inquiries
2809-21-4
Industrial Grade
QINGDAO
25kg/0.12kg Bag
2017-07-31
water treatment
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Product Description
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Seller Information
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Inquiry History
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Description
Properties: HEDP is colorless or light yellow transparent liquid. It has good chemical stability, and shows excellent scale and corrosion inhibition effects under temperature 200. HEDP has good oxygen resistance, low toxicity and no pollution. It can form stable complex with many kinds of metal ions.
Usage: Widely used for water treatment scale and corrosion in all kinds of industries, and is used as a metal cleaning agent and complexing agent in the industry.
Method of Use: In industrial chilled water system, the general dosage is 5-10ppm.
Packing and Storage: Plastic barrel packing, 30kg or 250kg per barrel. It should be stored in a shady place indoors, and the storage period is one year.
Basic Info-
Product Name:
(1-Hydroxyethylidene)-1,1-diphosphonic acid
Other Name:Phosphonic acid,P,P′-(1-hydroxyethylidene)bis-;Phosphonic acid,(1-hydroxyethylidene)di-;Phosphonic acid,(1-hydroxyethylidene)bis-;P,P′-(1-Hydroxyethylidene)bis[phosphonic acid];1-Hydroxyethane-1,1-diphosphonic acid;Etidronic acid;Ethane-1-hydroxy-1,1-diphosphonic acid;(1-Hydroxyethylidene)diphosphonic acid;Dequest Z 010;(1-Hydroxyethylidene)-1,1-diphosphonic acid;1000SL;Oxyethylidenediphosphonic acid;Hydroxyethanediphosphonic acid;1-Hydroxyethanediphosphonic acid;EHDP;Dequest 2010;1-Hydroxy-1,1-diphosphonoethane;Dequest 2015;HEDP;(1-Hydroxyethylidene)bisphosphonic acid;Turpinal SL;1-Hydroxyethane-1,1-bisphosphonic acid;Ferrofos 510;(1-Hydroxyethylidene)-1,1-bis(phosphonic acid);Feliox 115;Wayplex;Xydiphone;Lonza 106;Tecquest 360;OEDF;OEDP;Xidiphone;Ksidifon;Defloc EH 06;Mayoquest 1500;HDEPA;Turpinal SLR;Masquol P 210;Terpil SL;RP 61;Cublen K 60;Dequest 2010CS;1-Hydroxyethane-1,1-diyldiphosphonic acid;Sone 16;Dequest 16;Briquest ADPA 60A;Acetodiphosphonic acid;Unihib 106;Anti Cal 5;Sequion 10H;1-Hydroxyethylidene-1,1′-diphosphonic acid;Mascol P 210;NSC 227995;Belclene 660;Feliox CY 115;Chelate 101;OEDFK;1-Hydroxyethylidene-1,1-diphosphoric acid;Briquest ADPA-A;Acidum etidronicum;Ethydronate;Ethidronate;Etidronate;Dequest 2010LA;Feliox 115A;Xidifon;Kochtreat 75;Chelest PH 210L;Dequest D 2010;Dequest 2010R;1-Hydroxyethylidene-1,1-diphoshonic acid;Aquacid 105EX;Aquacid 105CG;51888-66-5;66216-98-6;83047-25-0;85188-80-3;85985-26-8;86159-18-4;100511-44-2;103736-66-9;106908-76-3;129130-42-3;138360-84-6;192526-55-9;303177-33-5;853028-38-3
CAS No.:2809-21-4
UN No.:3265
Molecular Formula:C2H8O7P2
InChIKeys:InChIKey=DBVJJBKOTRCVKF-UHFFFAOYSA-N
Molecular Weight:206.02800
Exact Mass:206.03
EC Number:220-552-8
UNII:M2F465ROXU
NSC Number:227995
DSSTox ID:DTXSID6023028
NCI Thesaurus Code:C1332
ATC Code:M - Musculo-skeletal system
HScode:2931900090
Categories:
Characteristics-
PSA:
154.91000
XLogP3:-3.7
Appearance:Liquid
Density:1.45 (60% aq.)
Melting Point:155 °C (decomp)
Boiling Point:578.8ºC at 760 mmHg
Flash Point:303.8ºC
Refractive Index:1.586
Water Solubility:Soluble in water.
Vapor Pressure:8.34E-16mmHg at 25°C
Toxicity:LD50 oral in mouse: 1800mg/kg
Hazard IdentificationClassification of the substance or mixture
Corrosive to metals, Category 1
Acute toxicity - Category 4, Oral
Serious eye damage, Category 1
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H290 May be corrosive to metals
H302 Harmful if swallowed
H318 Causes serious eye damage
Precautionary statement(s) Prevention P234 Keep only in original packaging.
P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P390 Absorb spillage to prevent material damage.
P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P317 Get medical help.
Storage P406 Store in a corrosion resistant/...container with a resistant inner liner.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
water treatment
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Location:
zouping county binzhou city shandong province
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Payment Terms:
TT against copy of documents
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
51-100
Zouping Yinghao Environmental Protection Technology Co., Ltd is an enterprise collecting of scientific research and development, production and sales and technical services. It has strong technical force, advanced production equipment, completed testing means. Products involved water treatment agents, water treatment equipments, sewage treatment agents, waterproof tarpaulins, textile auxiliaries and papermaking additives in six major areas of dozens of kinds of products. The annual production capacity achieved 20000 tons. And the products are widely used in environmental protection, petroleum, chemical industry, metallurgy, casting, electric power, cement, textile, papermaking, medicine, food, tourism and other industries.
The company adheres to “customer first, service first” purpose and adhere to the management idea with development of science and technology. Using excellent product quality and perfect service to win customer’s satisfaction, and enhance the company’s competitive ability. Our company has full set of technical services of recycling water and experience of monitoring management. So it can undertake a full set of circulating water software and hardware design, on-site technical guidance, pharmaceutical sales and other one-stop services. Our company developed a variety of environmentally friendly water treatment agents and sewage treatment agents, through many years of market validation, has won the customers’ fully recognition and widely praised.
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Inquiry History24 Inquiries
Country Product Purchase Quantity Date Posted 
Egypt
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
1 20' Fcl Nov 15, 2025 
Russia
Etidronic acid( HEDP)
1 20' Fcl Feb 10, 2025 
Uzbekistan
HEDP
100 KG Jun 13, 2025 
United Arab Emirates
Hydroxyethylidene Diphosphonic Acid - HEDP 60%
20.00 MT Jun 8, 2026
Egypt
Hydroxyethylidene Diphosphonic Acid
1.00 KG Apr 27, 2026 
India
HEDP 60%
1 KG Apr 14, 2026
Egypt
1-Hydroxyethylidene-1,1-diphosphonic acid
1.00 KG Mar 25, 2026
Uzbekistan
1-Hydroxyethane-1,1-diphosphonic Acid
60 MT Feb 26, 2026 
Turkey
HEDP 60%
1 20' Fcl Feb 9, 2026
Egypt
Hydroxyethylidene diphosphonic acid
1.00 20' Fcl Nov 24, 2025
Egypt
HEDP Phosphonic Acid 1-Hydroxyethylidene-1, 1-Diphosphonic Acid
1 20' Fcl Oct 11, 2025
Egypt
Hydroxyethylidene Diphosphonic Acid
1.00 L Oct 9, 2025
India
HEDP60
3 MT Sep 15, 2025
India
1-Hydroxyethylidene-1, 1-Diphosphonic Acid (HEDP)
1000 TON Aug 4, 2025
India
Etidronic acid (HEDP)
65.00 KG Aug 1, 2025 
Indonesia
Dequest 2010 LC
1 MT Jul 31, 2025 
Brazil
PHOSPHONATE - HEDP UN3265 CLAS 8
176000.00 KG Jun 13, 2025
India
Hydroxyethylidene Diphosphonic Acid 60%
10.00 MT Apr 23, 2025
India
1-Hydroxyethylidene-1,1-diphosphonic acid
1.00 20' Fcl Dec 9, 2024 
Vietnam
BELCLENE 660 (HEDP)
100.00 KG Feb 27, 2024 Post an enquiry for this product
