- Other Auto Parts[2]
- Compound Fertilizer[3]
- Phosphate Fertilizer[1]
- Alcohol & Hydroxybenzene & Ether[1]
- Benzene & Derivatives[2]
- Hydrocarbon & Derivatives[1]
- Organic Acid[2]
- Other Organic Chemical[3]
- Chemical Auxiliary Agent[9]
- Food Additives[10]
- Inorganic Acids[9]
- Carbonate[1]
- Chloride[1]
- Sulphate[2]
- Other Inorganic Chemicals[3]
- Oxide[1]
- Organic Intermediate[10]
- Dyestuffs[6]
- Pigment[10]
- Polymer[4]
- Concrete Admixtures & Mortar Admixtures[2]
- Switching Power Supply[1]
- Water Treatment[2]
- Healthcare Supplement[3]
- Other Household Chemicals[1]
- Contact Person : Ms. Li Julia
- Company Name : Nanjing Xiangshengtai Chemical Co., Ltd.
- Tel : 86-0-13914781109
- Fax : 86-25-84801979
- Address : Jiangsu,Nanjing,Rm 10-910 of Xinyuan, Baixia District,Nanjing
- Country/Region : China
Related Product Searches:Water treatment chemical-HEDP/Hydroxy Ethylidene-1,1-Diphosphonic Acid,High Quality,HEDP, Hydroxy Ethylidene-1 1-Diphosphonic Acid
Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) -Water treatment chemicals
CAS No. 2809-21-4
Molecular Formula: C2H8O7P2 Molecular weight: 206.02
Structural Formula:
Usage:
HEDP is widely used in electric power, chemical industry, metallurgy, fertilizers, low pressure boilers, industrial circulating water system and oilfield water injection and oil pipeline and salt and molybdate and zinc as well as copolymer compound used, main role inhibition and inhibition. In addition, they can also be used as a cyanide-free electroplating complexing agents, detergent for surface treatment of metals and non-metals, hydrogen peroxide stabilizer, metal ion masking agents, and so on.
Technological specifications:
Standard HG/T3537-1999
Appearance | Clear, Colorless to pale yellow aqueous solution | Clear, Colorless to pale yellow aqueous solution | White crystal powder |
Active content (HEDP)%≥ | 50.0 | 60.0 | 90.0 |
Phosphorous acid (as PO33-)%)≤ | 2.0 | 2.0 | 0.80 |
Phosphoric acid (asPO43- )% ≤ | 0.8 | 0.8 | 0.50 |
Chloride (as Cl-)% ≤ | 0.01 | 0.01 | 0.10 |
pH (1% solution) ≤ | 2.0 | 2.0 | 2.0 |
Density (20°C)g/cm3 ≥ | 1.34 | 1.40 | —— |
Chelating value mg/g | 450 | 500 | |
Fe2+,mg/L≤ | 10.0 | 10.0 | 5.0 |
Active content(HEDP·H2O)% ≤ | —— | —— | 98.0 |
Package and Storage:
HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.
HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Storage for twelve months in room shady and dry place.
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Water treatment chemical-HEDP/Hydroxy Ethylidene-1,1-Diphosphonic Acid