• HEDP • Na4 Water Purification Liquid / Solid Slow Released Effecting For Long Time
  • HEDP • Na4 Water Purification Liquid / Solid Slow Released Effecting For Long Time
HEDP • Na4 Water Purification Liquid / Solid Slow Released Effecting For Long Time

HEDP • Na4 Water Purification Liquid / Solid Slow Released Effecting For Long Time

Product Details:

Place of Origin: China
Brand Name: B&W
Certification: ISO 9001:2008 ISO 14001:2004
Model Number: HEDP • Na4

Payment & Shipping Terms:

Minimum Order Quantity: As Need
Price: Negotiable
Packaging Details: In 250kg drum
Delivery Time: 2 Weeks
Payment Terms: T/T, L/C
Supply Ability: 5000 MT
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Detail Information

Molecular Formula: C2H4O7P2Na4 Molecular Weight: 294
Appearance: Colorless Liquid Or White Powder CAS No.: 3794-83-0
Solid Content: 79.9% Liquid Content: 29.0%-31.0%
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Product Description

HEDP • Na4 Water Purification Liquid / Solid Slow Released Effecting For Long Time

HEDP • Na4 Water Purifying Agents​ Liquid Or Solid Tetra Sodium Of 1 - Hydroxy Ethylidene - 1, 1 - Diphosphonic Acid

 

 

Description

 

Commodity: HEDP • Na4  Tetra Sodium of 1 - Hydroxy Ethylidene - 1, 1 - Diphosphonic Acid

Appearance: Colorless or Light Yellow Transparent Liquid, White Powder

Molecular Formula: C2H4O7P2Na4

Molecular Weight: 294

CAS No.:  3794-83-0

Class: --

UN No.: --

 

 

Package and Storage

 

For liquid: Normally 250kg net in drum, IBC, or per customers.

 

For solid: Inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.

 

Storage for ten months in shady room and dry places.

 

 

Specification

 

Items Index
Appearance White powder Colorless to light yellow transparent liquid
Active component (HEDP) % 56.0 min 20.3-21.7
Active component )HEDP•Na4) % 79.9 min 29.0-31.0
Fe ppm 35.0 max 20 max
Total phosphoric acid (as PO43-)% 52.0-54.0 18.4-20.4
Density (20℃) g/cm3 -- 1.26-1.36
Dry weight loss, % 15 max --
PH 11.0-12.0 (1% water solution) 10.0-12.0 (as it)
 
 

Features and Usage

 

HEDP•Na4 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, HEDP•Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na4 is used as chelating agent.

 

The solid HEDP•Na4 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℃.

 

Dequest 2016 is the sodium salt of Dequest 2010, HEDP•Na4 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.

 

 

First Aid Measures

 

Inhalation
If inhaled, move patient to fresh air. If breathing stops, give artificial respiration.


Skin contact
Rinse with soap and plenty of water.


Eye contact
Rinse eyes with water as a precaution.


Ingestion
Don't feed unconscious people through the mouth. Rinse mouth with water.

 

 

Fire Fighting Measures

 

Extinguishing media
Fire extinguishing method and extinguishing agent
Use water fog, anti-ethanol foam, dry powder or carbon dioxide to extinguish the fire.


Special hazards from this substance or mixture
Hydrogen chloride gas, Potassium oxide


Advice to Fire Fighters
Wear self-contained breathing apparatus for fire fighting if necessary.

 

 

Acceidental Release Measures

 

Workers' protective measures, protective equipment and emergency procedures

Avoid breathing vapors, fumes, or gases.

 

Environmental Protection Measures
Do not let the product enter the sewer.

 

Methods for containment and removal of leaked chemicals and disposal materials used
Place in a suitable closed container for disposal.

 

 

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