SHANDONG ZHISHANG CHEMICAL CO.LTD.

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

Service

Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

 

After-Sales Service


*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.

Shipping

1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

Packaging and shipping

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