HEDP powder 98%

Short Description:

Classification: Chemical Auxiliary Agent CAS No.: 2809-21-4 Other Names: 1-Hydroxy Ethylidene-1,1-Diphosphonie Acid MF: ...


Product Detail

Product Tags

Classification:
Chemical Auxiliary Agent
CAS No.:
2809-21-4
Other Names:
1-Hydroxy Ethylidene-1,1-Diphosphonie Acid
MF:
CH3C(OH)[PO(OH)2]2
Purity:
98%
Place of Origin:
Shandong, China (Mainland)
Type:
Other
Usage:
Water Treatment Chemicals
Brand Name:
HGW
Model Number:
Organophosphoric acid corrosion inhibitor

Packaging & Delivery

Packaging Details
25kg inner polythylene(PE)bag,outer plastic woven bag,or confirmed by clients.
Delivery Time
Within 3 weeks after receiving your payment

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP)

 

Product information:

Product name HEDP
Synonyms 1-Hydroxyethylidene Diphosphonic Acid; Etidronic Acid
CAS Number 2809-21-4
Molecular Weight 206.03
Molecular Formula CH3C(OH)[PO(OH)2]2

 

Specifications

Item Index
Appearance Colorless or light yellow transparent liquid White crystal powder
Active content(HEDP)% 58.0-62.0 90.0min
Phosphorous acid 2.0max 0.8max
Phosphoric acid 0.8max 0.5max
Chloride 0.1max 0.1max
pH(1% solution) 2max 2max
Density(20′C)g/cm3 1.40min -
Fe,mg/L 10max 5max
Colour APHA 40max -

 

Properties:

The solid state of HEDP is crystal powder,situable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals .

 

Usage:

HEDP is used as scale and corrosion inhibition in circulating cool water system,oil field and low-pressure in fields such as electric powder, chemical industry,metallurgy, fertilizer, etc…In light woven industry,HEDP is used as detergent for metal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mh/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.

 

Package and Storage:

HEDP solid: 25kg inner polyethylene(PE) bag, outer plastic woven bag, or confirmed by clients .

 

Sefety Protection

Acidity, Avoid contact wih eye and skin, once contacted, flush with water .

 

If you are interested, please contact me freely .

 

 

 


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