HEDP
Scope of Application:
Organophosphate HEDP products are widely used in electricity, chemical industry, metallurgy, chemical fertilizers and other industrial cycle cooling water systems and the scale inhibition and corrosion inhibition of hot water boilers, heat exchangers, water pipe, oil injection and oil pipelines; In the light spinning industry, it can be used as a cleaning agent for metals and nonmetals, a stabilizer and fixative in the rinsing industry, and a complexing agent in the cyanogen free electroplating industry. As a scale inhibitor, the concentration of 5 ~ 10 mg / L is generally used; Generally, the concentration used as a corrosion inhibitor is 100 ~ 200 mg / L; As a cleaning agent generally used concentrations of 1000-2000 mg / L; Commonly used in conjunction with polycarboxylic acid type scale inhibiting dispersants.
Description of Organophosphate HEDP Product
Organophosphate HEDP products are widely used in electricity, chemical industry, metallurgy, chemical fertilizers and other industrial cycle cooling water systems and the scale inhibition and corrosion inhibition of hot water boiler, heat exchanger, water pipe, oil oil injection and oil pipeline; In the light spinning industry, organophosphate HEDP is a corrosion inhibitor and can also be used as a cleaning agent for metals and non metals, a stabilizer and fixative in the rinsing industry, and a complexing agent in the cyanogen free electroplating industry.
Model: National Standard
Components: Organophosphorus
Uses: plant scale inhibitors
Brand name: Bin Sheng Xiang
Type: corrosion inhibition fouling agent
Appearance: colorless clear liquid
Content: 50%
Available material content: 50%
Molecular formula: C2H8O7P2
Quality Indicators:
Items | Required Value | Detection Value |
Active content (HEDP)% | ≥50.0 | 60.33 |
Phosphorous acid (as PO33-)% | ≤2.0 | 0.8 |
Phosphoric acid(as PO43-)% | ≤1 | 0.3 |
PH (1% water solution) | ≤2.0 | 1.7 |
Density(20℃)g/cm3 | ≥1.34 | 1.448 |
Product Performance:
Organophosphoric acid HEDP product is an organophosphonic acid (salt) type fouling inhibitor with little toxicity. Can form stable complexes with many metal ions, such as iron, copper, and zinc, which can dissolve the oxide on the metal surface. Can play a good corrosion inhibition at 200 ° C temperature, it is still stable at high pH values, is not easy to hydrolyze, and is not easy to decompose under general photothermal conditions. Acid alkaline and chlorine oxidation resistance properties are better than those of other organophosphonic acids (salts). Six-member ring chelates can be formed with metal ions in water, especially with calcium ions, which can form capsule-like macromolecular chelates, and thus have a better fouling inhibition effect and have an obvious solubility limit effect, when used in complex with other water treatment agents, exhibiting desirable synergistic effects.
Pure etidronic acid is white crystal, industrial etidronic acid is colorless to light yellow transparent liquid, soluble in water, methanol and ethanol. Hydroxyethylidene diphosphonic acid is a kind of chemical raw material, which is often used in industrial water treatment, household cleaning products and personal care products. This product is the main material of cyanide free electroplating. It is used to prepare cyanide free copper electroplating solution. The copper coating directly plated on sodium iron has good adhesion, smooth coating and good color. In addition, hydroxyethylidene diphosphonic acid is often used as scale and corrosion inhibitor in boiler water, circulating water and oilfield water injection treatment. It is generally combined with polyhydroxy acid scale inhibitor and dispersant, and can also be used as color fixing agent and hydrogen peroxide stabilizer in bleaching and dyeing industry.
IUPAC
(1-hydroxy-1-phosphonoethyl)phosphonic acid
SMILES
CC(O)(P(=O)(O)O)P(=O)(O)O
Shandong, China
