1-Hydroxyethylidene-1,1-diphosphonic acid Water Treatment Level
24 Inquiries
2809-21-4
Industrial Grade
SHANGHAI
250kg/9kg Blue HDPE Drum (Used For PG)
2017-04-25
1-Hydroxyethylidene-1,1-diphosphonic acid,Acrylic acid maleic acid copolymer
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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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:
1-Hydroxyethylidene-1,1-diphosphonic acid,Acrylic acid maleic acid copolymer
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Location:
Zhicheng Town, Jiyuan City, Henan Province, China 454650
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Payment Terms:
D/P,L/C
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Average lead Time:
60
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Total Annual Revenue:
Less than $1 million
Founded in 1995, Henan Qingshuiyuan Technology Co., Ltd. is headquartered in Huling High-tech Industrial Development Zone, Jiyuan City, Henan Province. It was listed on the Growth Enterprise Market of Shenzhen Stock Exchange on April 23, 2015 under the stock code 300437. Qingshuiyuan has participated in the formulation and revision of 22 national standards and 43 industry standards, with more than 60 patents and products exported to more than 50 countries and regions.
Qingshuiyuan adheres to the core concept of “being a century-old enterprise that benefits the society and serves the world”, focusing on the innovative development of the environmental protection industry chain with water as the core, focusing on creating water treatment chemicals R&D and production, industrial water system terminal services and operations, and industrial complex wastewater Five major business segments include treatment and resource utilization, municipal and village sewage treatment, comprehensive environmental management and ecological restoration.
The group owns Jiyuan Qingyuan Water Treatment Co., Ltd., Qingshuiyuan (Shanghai) Environmental Protection Technology Co., Ltd., Henan Tongsheng Environmental Engineering Co., Ltd., Shaanxi Ande Technology Industrial Co., Ltd., Anhui Zhongxu Environmental Construction Co., Ltd., and Hainan Free Trade Zone Qingshuiyuan Environmental Technology Co., Ltd., Qingshuiyuan (Beijing) Investment Co., Ltd., Aichi Environmental Protection Co., Ltd. (United States), Jiyuan Siweida Environmental Protection Technology Co., Ltd., Henan Shuiyun Zuozhi Control Technology Co., Ltd. Holding subsidiary; owns municipal public engineering construction general contracting level one, construction engineering construction general contracting level one, environmental engineering professional contracting level one, environmental engineering (solid waste treatment and disposal project, atmospheric pollution prevention project, water pollution prevention project) design special project Class B and other qualifications.
Qingshuiyuan, as a technology-leading enterprise, has a complete R&D, design, production, and engineering supporting system. It is a water treatment agent engineering technology research center in Henan Province. Center", focusing on building a national scientific research platform. With top research institutes in the United States, Israel and China (Research Center for Ecological Environment of the Chinese Academy of Sciences, Institute of Process Engineering of the Chinese Academy of Sciences, Tsinghua University, Tongji University, China University of Petroleum, Zhengzhou University, etc.) in water treatment chemicals, industrial complex wastewater treatment, industrial zero Carry out industry-university-research cooperation in technical fields such as discharge, integration of sewage treatment in villages and towns, and soil pollution remediation.
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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
