- Min.Order :1 Metric Ton
- Purity: 58.0-62.0%min
- Payment Terms : L/C,T/T,Other
Keywords
Halcinonide 2809-21-4 20-dione,21-chloro-9-fluoro-11-beta,16-alpha,17-trihydroxy-pregn-4-ene-cyc;halciderm;halcimat;halcort;halog;lic16,17-acetalwithacetone;(11b,16a)-21-chloro-9-fluoro-11-hydroxy-16,17-[(1-methylethyliden
Quick Details
- Appearance:Colorless to Light Yellow Transparent Liquid
- Application:Etidronate (Didronel) is a human protein tyrosine phosphatase inhibitor with IC50 of 0.2 μM.
- PackAge:at your request
- ProductionCapacity:1000|Metric Ton|Month
- Storage: cool and dry place
- Transportation:DHL/UPS/TNT/FedEx/SF-express/Sea/Train/Air/Door to door
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Details:
Structural Formula of HEDP (2809-21-4):
Properties of HEDP (2809-21-4):
HEDP (2809-21-4) is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds. It can dissolve the oxidized materials on these metals' surfaces. HEDP (2809-21-4) shows excellent scale and corrosion inhibition effects under temperature 250°C. HEDP (2809-21-4) has good chemical stability under high PH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP (2809-21-4) can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP (2809-21-4) has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.
Specification of HEDP (2809-21-4):
|
Appearance |
Colorless to Light Yellow Transparent Liquid |
|
Active Content (HEDP)% |
58.0-62.0 |
|
Phosphorous Acid (as PO33-)% |
1.0 Max |
|
Phosphoric Acid (asPO43- )% |
0.5 Max |
|
Chloride (as Cl-)% |
0.3 Max |
|
PH (1% Solution) |
2 Max |
|
Density (20°C)g/cM3 |
1.40 Min |
Usage of HEDP (2809-21-4):
1. HEDP (2809-21-4) is used as scale and corrosion inhibition in circulating cool water system, oil fieldand low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..
2. In light woven industry, HEDP (2809-21-4) is used as detergent for metal and nonmetal.
3. In dyeing industry, HEDP (2809-21-4) is used as peroxide stabilizer and dye-fixing agent.
4. In non-cyanide electroplating, HEDP (2809-21-4) is used as chelating agent. The dosage of 1-10mg/Lis preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent.
Usually, HEDP (2809-21-4) is used together with polycarboxylic acid.
Package and Storage of HEDP (2809-21-4):
HEDP (2809-21-4): Normally in 250kg net Plastic Drum, IBC Drum can also be used as required.
Storage for ten months in shady room and dry place.
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