Twin International Co., Limited

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Twin International Co., Limited
TEL : 86-21-80309280 / FAX : 86-21-61923461 / Mobile : 86-15618297-156
No.345 Jinxiang Road, Jinqiao Export Processing Zone, Shanghai Shanghai Shanghai China [CN]
Contact Name : jerry
Homepage : http://www.twinshanghai.com
Main Products
potassium bromide , sodium monofluoropho , KBR , ACH , polylysine
Business Type
Manufacturer , Trading Company
Product
60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition...
Posting date : May 15, 2014
Membership
Free Member Scince Apr 18, 2014
FOB Price
1130USD/ton
Min. Order Quantity
1
Supply Abillity
3123ton/month
Port
Shanghai
Payment Terms
T/T or L/C
Package
1250kg/IBC
Keyword :
Category
Contact
jerry
Product Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
Twin
Model Number
TW-HEDP
HS-CODE
2931-
Package & Delivery Lead Time
Package
1250kg/IBC
Delivery Lead Time
Within 7days after confirm the order
Detailed Description
60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP 
Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS No. 2809-21-4 
Molecular Formula:   C2H8O7P2      Molecular weight: 206.02 
HS NO: 2931900090
UN NO. 3265
Properties:
HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. 
Specification:
Items
Index
Appearance
Clear, Colorless to pale yellow aqueous solution
Active content (HEDP)%
58.0-62.0
Phosphorous acid (as PO33-)%
1.0 max
Phosphoric acid  (asPO43- )%
0.6 max
Chloride (as Cl-) ppm
100.0 max
pH (1% solution)
2.0 max
Density  (20℃)g/cm3
1.43-1.47
Fe,mg/L
10.0 max
Colour APHA (Hazen)
30.0 max
Acetic acid %
0.5 max
Ca sequestration (mg CaCO3/g)
500.0 min
Usage:
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.. 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; In non-cyanide electroplating, HEDP is used as chelating agent. 
Package: 200L plastic drum, IBC(1000L), and as customers’ requirement. 

ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us
Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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