Hefei TNJ chemical industry co.,ltd
Diamond Supplier Enterprise Certification
- Diamond
Supplier - 10th
years
Diamond Supplier Enterprise Certification
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
Tel: +86-551-65418695
Tel: 0086-551-65418671
Tel: 0086-551-67199489
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Province/state: Anhui
City: Hefei
Street: B911 Xincheng Business Center, Qianshan Road, Hefei Anhui China
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ISO Certification
Technology: Technology innovation is our eternal pursuit,or we will be left behind.Our technology experts,all from famous universities and institutes,has rich experience and high achievements in chemical research.This makes sure that our technology support is reliable and authoritative.All of self-owned fine chemicals are manufactured strictly in accordance with international standard.We have our own independent lab test center,and also has scientific cooperation with local colleges and institutes.
HEDP 2809-21-4
Product Information
| Product Name | 1-Hydroxyethylidene-1,1-diphosphonic acid |
| Synonyms | 1-Hydroxyethane-1,1-diphosphonic Acid;HEDP; HEDPA;1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP) |
| Molecular Formula | C2H8O7P2 |
| Molecular Weight | 201.9987 |
| CAS Number | 2809-21-4 |
| EINECS | 220-552-8 |
| Melting point | 198~199℃ |
| Boiling point | 578.8°C at 760 mmHg |
| Flash point | 303.8°C |
| Vapour Pressur | 8.34E-16mmHg at 25°C |
Application
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.. 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; 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. Usually, HEDP is used together with polycarboxylic acid.
Packing & Delivery
Packing: 250kg/drum or according per customer's requirement
Delivery: Within 3-5 working days after order confirmed
