What is (1-Hydroxyethylidene)-1,1-diphosphonic Acid?

(1-Hydroxyethylidene)-1,1-diphosphonic Acid is a chemical product listing on XCHEMI (https://www.xchemi.com), offered by QINGDAO EAST CHEMSOURCES TRADE CO.,LTD for international B2B procurement. The CAS Registry Number shown on this listing is 2809-21-4. Specifications on this page are provided by the supplier; confirm critical attributes before purchase.

What is the CAS number for this listing?

This XCHEMI product page lists CAS 2809-21-4 for (1-Hydroxyethylidene)-1,1-diphosphonic Acid. CAS numbers help align chemical identity across suppliers and regions. Always verify identity, grade, and impurity profile with supplier documentation (e.g., COA) before use in regulated processes.

How can I request a quotation or buy (1-Hydroxyethylidene)-1,1-diphosphonic Acid?

Use the XCHEMI marketplace actions on this listing (https://www.xchemi.com/product/808287445443734874.html) to contact QINGDAO EAST CHEMSOURCES TRADE CO.,LTD and request a quotation (RFQ). Offer price and currency—when shown—come from the supplier listing and may vary by quantity and shipping terms.

What purity, grade, and packaging are listed?

Purity: 90%. Grade: Industrial Grade. Appearance: white 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID.

How should chemicals be stored and handled?

Follow supplier SDS / label instructions, local regulations, and your site safety program. XCHEMI is a B2B marketplace; obtain current SDS and handling guidance from QINGDAO EAST CHEMSOURCES TRADE CO.,LTD before receipt, storage, or use.

What are typical applications for (1-Hydroxyethylidene)-1,1-diphosphonic Acid?

Applications depend on industry segment and process requirements. Use this listing as a sourcing lead and validate fitness-for-purpose with QINGDAO EAST CHEMSOURCES TRADE CO.,LTD for your intended use (e.g., synthesis, formulation, manufacturing).

Is a safety data sheet (SDS / MSDS) available?

Request SDS/MSDS and regulatory documents from QINGDAO EAST CHEMSOURCES TRADE CO.,LTD through XCHEMI quotation or supplier contact. Marketplace summaries do not replace official safety documentation.

Who is the seller for this product on XCHEMI?

QINGDAO EAST CHEMSOURCES TRADE CO.,LTD is identified as the seller on this listing. You can open the supplier storefront from this page when available to review company profile and other listed chemicals.

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

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QINGDAO EAST CHEMSOURCES TRADE CO.,LTD

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Room 501, Unit 6, No. 40, hushan road,Licang,Qingdao

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Product Details & Description

Product Info

Product Name (1-Hydroxyethylidene)-1,1-diphosphonic Acid

CAS No. 2809-21-4

Catalog No. HH808286331223834873

Brand EAST CHEMSOURCES LIMITED

Purity 90%

Packing -

Package -

Lead Time -

Origin -

Loading Port Any port in China

Chemical Identifiers

Melting Point 198~199℃

Boiling Point 578.8±60.0 °C(Predicted)

Water Solubility Soluble in water.

Density 1.45 (60% aq.)

Storage Temp Sealed in dry,Room Temperature

Flash Point 303.8ºC

Stability Stable. Incompatible with strong oxidizing agents.

Appearance white 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID

Refractive Index -

Product Info

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

CAS No.

2809-21-4

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Other Supplier Reference

Product name

Purity

Packing

Lead Time

Country

Company Name

Details

(1-Hydroxyethylidene)-1,1-diphosphonic Acid

90%

25kg per bag

China

Green Mountain Chemical

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

99%

25kg/bag

China

SHANDONG LOOK CHEMICAL CO.,LTD

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

25kg, 250kg Plastic Drum or IBC Tank

China

Zhanjiu (Shanghai) Industrial Co., Ltd

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

90%

200L plastic drum,IBC(1000L)/25kg/bag

China

ASIA CHEMICAL

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

99%

1kg/bag,25kg/drum,25kg/bag

China

Shanghai Lonwin Chemical Co.,Ltd

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

99%

China

NANTONG REFORM PETRO-CHEMICAL CO.,LTD

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

99%

25kg/ Bag

Turkey

Sanart Yay|nclllk Ltd.

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

99%

25kg/Cardboard Drum

China

Shandong Airuike Chemical Co., Ltd.

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

100g; 1kg; 25g

China

Shandong Zhishang Chemical Co.,Ltd

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(1-Hydroxyethylidene)-1,1-diphosphonic Acid

25kg/0.2kg Bag

China

Zouping Yinghao Environmental Protection Technology Co., LTD

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