1-Hydroxyethylidene-1,1-Diphosphonic Acid(CAS 2809-21-4)
UN No.:
UN 3265
| Purity | Grade | Package | Stock | Price | Quantity |
| 60% in Water | RG | 25G | In Stock | 4 USD
|
|
| 60% in Water | RG | 100G | In Stock | 7 USD
|
|
| 60% in Water | RG | 500G | In Stock | 23 USD
|
|
| 60% in Water | RG | 2.5KG | In Stock | 37 USD
|
|
| 60% in Water | RG | 25KG | In Stock | 358 USD
|
|
| 98% | RG | 25G | In Stock | 7 USD
|
|
| 98% | RG | 100G | In Stock | 8 USD
|
|
| 98% | RG | 500G | In Stock | 28 USD
|
|
| 98% | RG | 2.5KG | In Stock | 130 USD
|
|
| 98% | RG | 25KG | In Stock | 1250 USD
|
|
|
|||||
Your region is eligible for ordering. Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 2809-21-4
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Scale Inhibitor, Corrosion Inhibitor | Used in industrial recirculating cooling water systems to suppress scale formation from calcium, magnesium, and other metal ions, while protecting metal piping against corrosion |
| Textiles | Hydrogen Peroxide Bleaching Stabilizer | Stabilizes hydrogen peroxide during peroxide bleaching processes to prevent premature decomposition and improve bleaching efficiency |
| Papermaking | Peroxide Stabilizer | Acts as a stabilizer for hydrogen peroxide in pulp bleaching, enhancing bleaching performance and minimizing fiber damage |
| Personal Care & Cosmetics | Chelating Agent | Chelates metal ions in personal care formulations to improve product stability and shelf life |
| Agriculture | Micronutrient Chelating Agent | Functions as a chelating component in foliar fertilizers or soil conditioners to enhance plant uptake of micronutrients such as iron and zinc |
| Cleaning Agents | Multi-functional Cleaning Aid | Prevents interference from hard water ions in industrial cleaning formulations, boosting soil removal efficacy and inhibiting equipment scaling |
| Oilfield Chemicals | Scale Inhibitor for Water Injection | Applied in oilfield water injection systems to prevent deposition of calcium sulfate, calcium carbonate, and other scales in reservoirs and pipelines |
Physical and chemical properties of 2809-21-4
Acidity coefficient |
1.35, 2.87, 7.03, 11.3(at 25℃) |
|---|---|
Boiling Point |
578.8±60.0 °C at 760 mmHg |
BRN |
1789291 |
Density |
2.1±0.1 g/cm3 |
Exact Mass |
205.974518 |
Flash Point |
303.8±32.9 °C |
Index of Refraction |
1.586 |
LogP |
-3.8 |
Melting Point |
198-199 |
Merck |
14,3863 |
Molecular Formula |
C2H8O7P2 |
Molecular Weight |
206.028 |
pH |
pH (1.7→100, 25℃) : 1.3～1.8 |
PSA |
154.91000 |
Solubility |
1.15e+01 g/L |
Stability |
Stable. Incompatible with strong oxidizing agents. |
Storage condition |
Sealed in dry,Room Temperature |
Vapour Pressure |
0.0±3.6 mmHg at 25°C |
Water Solubility |
Soluble in water. |
Spectrums of 2809-21-4
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 2809-21-4
Cas:50-00-0
Cas:64-19-7
Cas:75-36-5
Q&A for CAS 2809-21-4
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 2809-21-4
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H290 May be corrosive to metals H302 Harmful if swallowed H314 Causes severe skin burns and eye damage H318 Causes serious eye damage H413 May cause long lasting harmful effects to aquatic life |
Safety Data Sheet |
Download COA of 2809-21-4
Operate under the ISO 9001 system
