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Tetra sodium salt of 1Hydroxy ethylidene-1,1-diphosphonic acid(HEDPNa4)

Inquiry
  Post Date: Apr 09,2017
  Expiry Date: Apr 09,2018
  Detailed Description: Cas No. :3794-83-0(4-Na) Properties:
HEDPNa4 is the sodium salt of
HEDP, HEDPNa4 is an good scale
inhibitor for calcium carbonate,
it can be used in low pressure
boiler water system, circulating
water system, industrial and
municipal cleaning water system
and swimming pool.
The solid HEDPNa4 is white
powder, soluble in water, easily
deliquescence, suitable for use
in winter and freezing districts.
It is a kind of organophorphonic
acid scale and corrosion
inhibitor, can form stable
complex with Fe, Cu and Zn ions,
it can dissolve the oxides on
metal surface, it has good scale
and corrosion inhibition effect
under 250℃.
HEDPNa4 is widely used in
circulating cool water system,
medium and low pressure boiler,
oil field water pipelines as
scale and corrosion inhibitor in
fields such as electric power,
chemical industry, metallurgy,
fertilizer, etc.. In light woven
industry, HEDPNa4 is used as
detergent for metal and nonmetal.
In dyeing industry, HEDPNa4 is
used as peroxide stabilizer and
dye-fixing agent; In non-cyanide
electroplating, HEDPNa4 is used
as chelating agent.
2, Specification:
Items Index
Appearance Colorless to
light yellow transparent liquid
White powder
Active component ( as HEDP)%
20.3-21.7 ≥56.0
Active component (as HEDP•Na4)%
29.0-31.0 ≥79.9
Total phosphoric acid (as PO43-) %
18.4-20.4 52.0-54.0
Fe ppm ≤ 25 35.0
Dry weight loss % ≤ -- 15
density (20℃)g/cm3 1.26-1.36
--
PH (1% water solution) 11.0-12.0
11.0-12.0
Package and Storage:
For liquid: Normally In 250kg or
30kg net Plastic Drum, also be
used as required. For solid:
inner liner polyethylene (PE)
bag, outer plastic woven bag, or
confirmed by clients. Storage for
ten months in room shady and dry
place.
Safety Protection:
Weak acidity, Avoid contact with
eye and skin, once contacted,
flush with water.

  CAS Registry Number:

3794-83-0(4-Na)

  Company: Changzhou New Future Chemical CO.,LTD(HENSAN)     [ China ]        
  Contact: Ms.jiao
  Tel: 0519-88661133
  Fax: 0519-88661133 0519-88608519
  Email: sale@hensanchina.com
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