Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4

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Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4
Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4
Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4
Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4
Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4
Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4
Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4

Top quality 1-Hydroxyethylidene-1,1-diphosphonic acid with best price 2809-21-4

  • Item No.top
    MOQ1 Kilogram
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From $100.002.60 / Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Quick Details
Product name 1-Hydroxyethylidene-1,1-diphosphonic acid
MW206.03
Place of Origin CN;SHN
Usage Water Treatment Chemicals
Brand Name QDXIGEMA
Model Number top
pka 1.35, 2.87, 7.03, 11.3(at 25℃)
ColorWhite
density 1.45 (60% aq.)
Water Solubility Soluble in water.
FormPowder
Melting point 198~199℃
Merck14,3863
Shelf Life 2 Years
Classification Chemical Auxiliary Agent
Type Carbon Black
Adsorbent Variety Activated Carbon
CAS No. 2809-21-4
Other Names -
MFC2H8O7P2
EINECS No. 220-552-8
Purity99%

Packaging & Delivery

Selling Units:
Kilogram
Product Description

    Product Description

Chemical Name:HEDP 90% powder

Synonyms: 1-Hydroxyethylidene-1,1-diphosphonic acid

CAS No.: 2809-21-4

Molecular Fomula:C2H8O7P2

Molecular weight: M=206.03

EINECS No.:220-552-8

Appearance:White crystal

  Certification of Analysis

 

Item

HEDP

Appearance

Withe crystal powder

Active content(HEDP)%

90.0min

Active content(HEDP.H2O)%

98.0min

Chloride(as Cl-)%

50max

PH (1% solution)

2.0max

Fe,mg/L

5.0max

Phosphoric acid(as PO3³‾)

0.8max 

Phosphoric acid(as PO4³‾)

0.5max

 

 

Function&Application

 

1.HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..

2.In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;

3.In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent.

4.Usually, HEDP is used together with polycarboxylic acid. 

 
Packaging & Shipping

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Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
 
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that"Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

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