Water Treatment Chemical Antiscalant CAS 2809-21-4 Solid Liquid HEDP

• CAS No.: 2809-21-4
• Formula: C2h8o7p2
• EINECS: 220-552-8
• Type: Synthesis Material Intermediates
• Appearance: Liquid
• Quality: Industrial
• Model NO.: yanxi-03
• Colour: Colorless
• Density: 1.45 (60% Aq.)
• Psa: 154.91000
• Logp: -0.99220
• Boiling Point: 578.8±60.0 °c
• Flash(Ing) Point: 303.8ºC
• Storage Condition: Sealed in Dry,Room Temperature
• Melting Point: 198~199ºC
• Transport Package: Drum
• Specification: 25kg/drum
• Trademark: YANXI
• Origin: China
• HS Code: 29143990
• Production Capacity: 20metric Ton/Month

Product Description

 

Product Description

 

1. Product information

Product name: 1-Hydroxyethylidene-1,1-diphosphonic acid

CAS:2809-21-4
MF: C2H8O7P2
MW: 206.03
Boiling point: 578.8±60.0 °C
Density: 1.45 (60% aq.)
EINECS: 220-552-8

 Appearance: clear liquid   and  white powder
Safety Protection: HEDP is Acidity, Avoid contact with eye and skin, once contacted, flush with water.
 

2.Specification

 

 

Product Name	HEDP; Etidronic acid
CAS No.	2809-21-4
MF	C2H8O7P2
Appreance	Clear, Colorless to pale yellow aqueous solution	White crystal powder
phosphorous(PO33-)content,%	≥60.0	≥90.0
phosphoric(PO43-)content,%	≤2.0	≤2.0
Cl- content,ppm	≤0.8	≤0.3
mgCaCO3/g	≤200	≤50
mgCaCO3/g	≥500	--
density(20oC),g/cm3	≤2.0	≤2.0
Fe2+ content,ppm	≤10.0	≤10.0
color,Hazen	≤50	--
HEDP·H2O,%	---	≥98.0

 

 

3.Application

 

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.

 

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