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PRODUCTS >> Fine organic chemicals
1-hydroxy ethylene-1,1-diphosphonic acid (HEDP/HEDPA)
| Formula: |
C2H8O7P2 |
| Molecular Weight: |
206.02 |
| CAS #: |
2809-21-4 |
| UN number: |
UN3265 |
| Description: |
HEDP liquid:colorless or light yellow transparent liquid;HEDP solid:white crystal powder |
| Specifications: |
item |
specifications |
appearance |
colorless or light yellow
transparent liquid |
white crystal powder |
active content |
58.0-62.0% |
90.0% min. |
phosphorous acid |
2.0% max. |
0.5% max. |
phosphoric acid |
0.8% max. |
0.5% max. |
chloride |
0.01% max. |
0.01% max. |
PH(1% solution) |
2 max. |
2 max. |
iron ion |
10ppm max. |
20ppm max. |
color APHA(hazen) |
40 max. |
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| Application: |
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. |
| Packing: |
HEDP liquid: 250kg net UN approved plastic/or steel barrel
or 1.2mt IBC tanks,or per customer’s request;
HEDP solid: 25kg net plastic woven bags with PE bag liner. |
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