1-Hydroxyethylidene-1,1-diphosphonic acid CAS 2809-21-4
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Basic Info
CAS No.: | 2809-21-4 |
MF: | C2H8O7P2 |
Place of Origin: | Shandong, China |
Purity: | 98%min |
Model Number: | WX01-CAS 2809-21-4 |
Appearance: | White Crystalline powder |
CAS: | 2809-21-4 |
Melting Point: | 198~199℃ |
Package: | 25kg / 200kg/ Drum |
Brand: | ZHISHANG |
Samples: | Availale |
Other Names: | 98% HEDP |
EINECS No.: | 220-552-8 |
Type: | Syntheses Material Intermediates |
Brand Name: | ZHISHANG CHEM |
Application: | Syntheses Material Intermediates |
Product name: | 1-Hydroxyethylidene-1, 1-Diphosphonic Acid |
Color: | White Crystalline powder |
Density: | 1.2166 (rough estimate) |
Boiling point: | 578.8±60.0 °C(Predicted) |
Usage: | Syntheses Material Intermediates |
Application:
It is commonly used as scale and corrosion inhibitor in boiler water, circulating water and oil field water injection treatment. It is often combined with polyhydroxyl acid scale inhibitor and dispersant. It can also be used as cyanide-free complexing agent for electroplating, fixing agent for bleaching and dyeing industry, and hydrogen peroxide stabilizer.
Phosphorylation reagent for protected serine and pyranose.
This product is the main material for cyanide-free electroplating. The cyanide-free electroplating copper solution was prepared, and the direct electroplating copper layer on sodium iron had good adhesion. The coating is smooth and the color is good
Specification:
ITEM | SPECIFICATION |
APPEARANCE | COLORLESS TO LIGHT YELLOW TRANSPARENT LIQUID |
ACTIVE CONTENT (AS HEDP) % | 60.0-62.0 |
PHOSPHOROUS ACID (AS PO33-) % | 2.5 MAX |
PHOSPHORIC ACID (AS PO43-)% | 0.7 MAX |
PH (1% WATER SOLUTION) | 2.0 MAX |
DENSITY (20 ℃) g/cm3 | 1.44-1.47 |
IRON ppm | 10 MAX |
CHLORIDES (AS CL-) ppm | 100 MAX |
COLOR (APHA) | 30 MAX |
SEQUESTRANT VALUE (CACO3)m | 500 MIN |
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