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  • Monosodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

Monosodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

HEDP.NA
江苏 更新日期:2022-03-08

Jiangyin Meikai Chemicals Trading Co.,Ltd.

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产品详情:

中文名称:
Monosodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
英文名称:
HEDP.NA
CAS号:
29329-71-3

Monosodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic
Acid (HEDP•Na)

 

CAS No.  29329-71-3

Molecular Formula:  C2H7O7P2Na            Molecular weight: 228

Structural Formula:

Monosodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na)

Properties:

HEDP•Na is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions. HEDP•Na can dissolve the oxidized materials, it has good scale and corrosion inhibition effects even under 250℃, it is stable under high pH value, not easy to be hydrolyzed, not easy to be decomposed under normal light and heat condition, its acid/alkaline and chloride oxidation tolerance are better than that of other organophosph-onic acids. HEDP•Na can form six-ring chelating compounds with metal ions in water system, Ca2+ in particular. HEDP•Na has good scale inhibition effects and obvious dissolution threshold effects. When used with other Water Treatment Chemicals, the synergistic effects is better.

HEDP•Na is suitable for acidic scale inhibitor and detergent, can be used for metal surface treatment. . 

Specification:

items
index
Appearance
Colorless or yellowish transparent liquid
Active content (HEDP)%
19.0-21.0
Fe,mg/L
20 max
PH (1% water solution)
2.3-2.9
Density (20℃) g/cm3
1.11-1.21

Usage:

HEDP•Na is used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as power plant, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, this product is used as detergent for metal and nonmetal. In dyeing industry, this product is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, this product is used as chelating agent.

When used as scale inhibitor, the dosage 2-20mg/L is preferred, when used as corrosion inhibitor, the dosage 20-100mg/L is preferred, when used as cleaning agent, the dosage 1000-2000mg/L is preferred. Usually, HEDP•Na is used together with polycarboxylic acid .

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in shady room and dry place.

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water. 

Keywords: HEDP·Na
water treatment chemicals ,HEDP.NA

公司简介

Best Industrial water treatment chemicals from China-HEDP/ATMP/PBTC/HPAA/PCA/HPMA/TTA/BTA/TTAS/DTPMPA/PAA/PCA/PCACPAPE/MA-AA/AA-AMPS/EDTMPS/BHMT and more, If you are interested in our products ,please contact us freely.

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