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Company:Ability Chemicals (ACC)

Address: No.3223 Zhouzhu Road Pudong District Shanghai 201323 China
E-mail:sales@abilitychem.com
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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.

-

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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