PHOSPHINO CARBOXYLIC ACID (PCA)


Applications: Cooling & Boiler water treatment, Oil field and Desalination

EC / List no.: 615-245-4
CAS no.: 71050-62-9
2-Propenoic acid, polymer with sodium phosphinate
2-Propenoic acid, polymer with sodium phosphinate (1:1)

Synonyms: Phosphino carboxylic acid; Belsperse 164; PCA


IUPAC names
2-Propenoic acid, polymer with sodium phosphinate
2-propenoic acid, polymer with sodium phosphinate
phosphanylformic acid
Phosphino carboxylic acid
Other names
Belclene 164
Poly(acrylic acid-co-sodium hypophosphite)

Synonyms: PCA, Phosphino carboxylic acid, POCA; dispersant PCA;Copolymer of Phosphono and carboxylic Acid;

Phosphino-Carboxylic Acid (PCA) has good dispersion property for scale of calcium carbonate and calcium phosphate in circulating cool water system. 
Phosphino carboxylic acid has good scale inhibition for barium sulfate, strontium sulfate and silica scale. 
Phosphino carboxylic acid has advantages in thermal stability and strong chlorine tolerance. 
Phosphino carboxylic acid can be used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system. 
Phosphino carboxylic acid has better performance than acrylic products in paper making mill, ceramic industry and etc. It can also be used to disperse scales in boilers.


Phosphino carboxylic acid (PCA)
ATAMAN CHEMICALS is well recognized in the market as expert and capable partner for water treatment additives. 
Thanks to ATAMAN's expertise we are marketing polymer series for water treatment including our Phosphino carboxylic acid (PCA).
Phosphino Carboxylic Acid (PCA) provides greater flexibility and better performance in developing multiple antiscalant programs for a variety of scales found in boiler systems, foods plants, and cleaning

Phosphine carboxylic acid product has a wide range of applications in ceramic industry and water treatment field due to molecular structure.

PHOSPHINO CARBOXYLIC ACID (Dispersant)

Features/Benefits:
· The product delivers good thermal & chlorine stability. As a result it shows good activity over a wide range of pH, hardness & temperature without precipitation.
· Superior boiler water sludge dispersant that outperforms polyacrylates, polymethacrylates & sulfonated polymers.
· Dispersed sludge is removed in boiler water blowdown.
· Superior hydrolytic and thermal stability compared to other polymers.
· Maintains deposit dissolution & dispersancy properties in both low & high pressure boilers.
· Phosphino functionally stabilises & prevents loss of Ca, Mg & Fe ions.
· Maintains iron in non-settling form reducing deposition potential

Phosphino carboxylic acid (PCA) provides greater flexibility and better performance in developing multiple antiscalant programs for a variety of scales found in boiler systems, foods plants, and cleaning applications.

Phosphino carboxylic acid (PCA) is a multifunctional product that provides the benefits of many separate products, including:

Excellent calcium phosphate, calcium carbonate, silicate, and iron oxide dispersancy all in a single product.
Better deposit control than methacrylates, acrylates, and copolymers.
Wide application range across industries, for both online and offline system protection and system cleanups.

Solubility:
Phosphino carboxylic acid (PCA) is soluble/miscible in Water and Ethylene glycol in all proportions.
The product is soluble in Caustic Soda (46%). If diluted with Methanol, a precipitation may occur.

pH range:
Phosphino carboxylic acid (PCA) can be used without pH limitations. 
It does not form insoluble sodium or potassium salts. 
The product is hydrolytically stable and can be incorporated into concentrated formulations regardless of the final pH.

Temperature:
Phosphino carboxylic acid (PCA) is stable at temperatures up to 200°C.

Oxidizing agent:
Phosphino carboxylic acid (PCA) is not affected by chlorine or other oxidizing biocides in standard
 

Packaging & Shelf Life:
Drums à 250 kg net
Under proper storage conditions, the shelf life is 12 months.


Through the introduction of phosphonic group into carboxylic group, PCA has good dispersion property for scale of calcium carbonate and calcium phosphate in circulating cool water system. It has good scale inhibition for barium sulfate, strontium sulfate and silica scale.PCA has advantages in wide range of water quality, chemical stability, strong chlorine tolerance, etc. PCA can be used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system.

Phosphino Carboxylic Acid
Properties:
Phosphino carboxylic acid associates characteristics of phosphonates as well as polyacrylates. 
The function is to provide a special equilibrium of limit inhibition and also dispersancy. 

Phosphino Carboxylic Acid has good tolerance to chlorine and it is also compatible with a lot of microbiological control agents.

Phosphino Carboxylic Acid has excellent dispersion performance for the scale of calcium carbonate as well as calcium phosphate in circulating cool water system. 
The reason is via the introduction of a phosphonic group right into a carboxylic group. 
In addition, Phosphino Carboxylic Acid has also good scale inhibition for barium sulfate, strontium sulfate as well as silica scale.

One more thing to note, phosphino carboxylic acid can not be affected by chlorine or other oxidizing biocides in standard.

Phosphino Carboxylic Acid

Phosphino Carboxylic Acid (PCA) is an organic component with molecular formula CH3O2P. 

It is a clear and colorless liquid, with a slight odor and the pH range of 3-3.5. 
Phosphino Carboxylic Acid has extraordinary properties. 
Phosphino Carboxylic Acid is completely soluble in water and improves water quality. 
So it is also known as a water treatment agent.

This product composed of carboxylic acid and phosphate groups. 
Therefore PCA has good thermal stability for these phosphate groups and at the same time, it has the characteristics of carboxylic acids.

Phosphino Carboxylic Acid  is classified as a dispersion agent and can be used in water treatment and boiler water system. In addition to the mentioned properties, PCA can be a good inhibitor for CaCO3, CaSO4, and BaSO4.

Phosphino Carboxylic Acid  has corrosive properties. it can cause skin burns or corrosive some metals. So safety tips should be considered when using this material.


 

Mechanism of Action:
Phosphino carboxylic acid inhibits scale buildup on surfaces through at least three mechanisms.

Solubility enhancement or threshold effect, which reduces precipitation of low solubility inorganic salts.
Crystal modification, which deforms the growing organic salt crystals to give small, irregular, readily fractured crystals that do not adhere well to surfaces.
Dispersing activity, which prevents precipitated crystals or other inorganic particles from agglomerating and depositing on surfaces. 
Low molecular weight polymers are widely used to inhibit scaling in industrial water treatment.

Specifications:
Item    
Index
Appearance: Colorless or light yellow liquid
Solid content, % 50.0 Min.
Total phosphor (as PO43-), %: 0.5 Min.
Density (20℃), g/cm3: 1.20-1.30
pH (1% water solution): 3.0-5.0

Application: Phosphino carboxylic acid has advantages in a wide range of water quality, chemical stability, strong chlorine tolerance, etc. 
Engineers use it as scale and corrosion inhibitor in circulating cool water system. 
And Phosphino carboxylic acid is used in the oilfield refill water system.

Phosphinocarboxylic Acid Polymer 
(PCA)

Boilers    Sludge dispersant    
Cost effective savings by removing the need for more expensive copolymers.
Thermally and hydrolytically stable.
Provides extended performance under boiler conditions at pressure up to 1000 psig.

Pulp & Paper    

De-inking dispersant
Outperforms polyacrylates. 
Excellent performance under pulp and paper conditions.

Paper machine deposit    
Effective against barium sulphate and calcium oxalate.
Multifunctional scale control and dispersancy in paper machines.


Phosphonocarboxylic Acid (POCA)
Cooling Water
Calcium carbonate and calcium phosphate scale control.
Effective particulate dispersion.
Multifunctional, phosphonate and polymer performance on the same molecule.
Simplified formulations.
Improved scale control in comparison with standard dispersant type polymers.
Effective panticulate dispersion (silt, iron oxide).
Maintains performance in halogenated and high calcium water.


Sulphonated Phosphino Polycarboxylic Acid Polymer (PCA-S)    
Cooling Water    
Stabilized phosphate and zinc based cooling water programs.    
Control calcium phosphate and zinc deposits.
Effective control of calcium phosphate to maintain heat exchange surfaces.
Effective panticulate dispersion (silt, iron oxide).


Usage: When used alone, the dosage of 5-20 mg/L is preferred. It can also be used together with organophosphines, copolymer, a zinc salt or BTA.

Dispersant- PHOSPHINO CARBOXYLIC ACID
(CALCIUM CARBONATE & SULFATE INHIBITION PROPERTIES)

Features/Benefits:

The product delivers good thermal & chlorine stability. As a result it shows good activity over a wide range of pH, hardness & temperature without precipitation.
Superior boiler water sludge dispersant that outperforms polyacrylates, polymethacrylates & sulfonated polymers.
Dispersed sludge is removed in boiler water blowdown.
Superior hydrolytic and thermal stability compared to other polymers.
Maintains deposit dissolution & dispersancy properties in both low & high pressure boilers.
Phosphino functionally stabilises & prevents loss of Ca, Mg & Fe ions.
Maintains iron in non-settling form reducing deposition potential.


phosphanylformic acid
71050-62-9
phosphinocarboxylic acid
Phosphanecarboxylic acid
23636-66-0
OC(O)=P
CTK1A2745
OC([P])=O
DTXSID00559205
Phosphoranecarboxylicacid (8CI,9CI)

Phosphino-polycarboxylic acid (PPCA), a phosphorus-labeled linear polymer, has been widely used for controlling scale formation in the oil/gas field and water treatment processes because of its strong scale-inhibiting capability, high thermal stability, and environmental acceptability. 
PPCA is similar to poly(acrylic acid) with about 1% (w/w) phosphorus added to facilitate analytical measurement

Polyphosphino Carboxylic Acid (PPCA) polymeric scale inhibitor is widely used for downhole application in oilfield squeeze treatments. 
Like all scale inhibitors (SI), it must perform the dual role of inhibiting scale formation at low concentration levels (~2 to 20ppm) while giving acceptably long return curves at the wellbore. 
Both of these properties of polymeric scale inhibitors, inhibition efficiency and retention, are thought to be the functions of the molecular weight. PPCA is often applied in the field as a "precipitation squeeze" treatment and the molecular weight also has an important effect on the solubility of the polymer complex which is precipitated.

Phosphino Carboxylic Acid (PCA)
Type Of chemicals    
Corrosion Inhibitor, Scale Inhibitor, Coagulants & Flocculants, Biocides & Disinfectants, Chelating Agents

Categories    
Boiler Water Treatment Chemicals, Cooling Water Treatment Chemicals, ETP Treatment Chemicals, RO Membrane Treatment Chemicals, Sugar Process Chemicals

Aquatreat AR-708
Chemical name : Phosphinocarboxylic acid (PCA)
Aquatreat AR 708
 
Cost-effective calcium carbonate inhibitor and dispersant for industrial water systems
AQUATREAT AR 708 phosphinocarboxylic acid is a multifunctional additive specially designed to enhance industrial water treatment systems by providing dispersancy and inhibiting calcium carbonate scale formation.
 
Benefits
AQUATREAT AR 708 phosphinocarboxylic acid: 
•    Provides calcium carbonate, barium sulfate, silicate and iron  oxide dispersancy
•    Offers superior control of barium sulfate scales (BaSO4)
•    Is FDA approved for use in applications where steam may  contact food – FDA 21 CFR 173.310
Applications
AQUATREAT AR 708 phosphinocarboxylic acid can be use in a variety of formulations aimed at enhancing performance of: 
•    Cooling towers
•    Boiler systems
•    Food plants
•    Oilfield

Usage
Typical use levels are 10-50 ppm active polymer. 
The exact end use level depends upon the specific application conditions for which the polymer is used.

Phosphino-carboxylic acid water reducing agent and preparation method thereof
Abstract
The invention relates to a water reducing agent for concrete and a preparation method, and particularly relates to a phosphino-carboxylic acid water reducing agent and a preparation method thereof. The phosphino-carboxylic acid water reducing agent is formed by polymerizing a large monomer, a phosphorus-containing compound, a small monomer and an initiator through a free radial polymerization reaction; the raw materials are as follows in percentage by mole: 15-30% of large monomer, 1-8% of phosphorus-containing compound, 65-80% of small monomer, 1-5% of initiator and the balance of water; and the preparation method comprises the following steps: enabling the raw materials to react for 3-6 hours at 40-85 DEG C; cooling to 35-40 DEG C; and adding an alkaline compound to adjust the pH value to neutrality, wherein the product is the phosphino-carboxylic acid water reducing agent. 
The phosphino-carboxylic acid water reducing agent provided by the invention shows good water reducing property and collapse resistance in the concrete with different content of mud and powder/mud sand samples; and the working performance of the concrete with different content of powder/mud can be realized in normal compounding process, and the quality of the concrete can be guaranteed.

Application of  PCA

It is suggested to be used in cooling water or boiler systems, oilfield, reverse osmosis (RO), ceramic industry, etc.

Ceramics:
Calcium carbonate is one of the most important materials that use in the ceramic industry. 
So the use of PCA in ceramic industries can disperse CaCO3. therefore it can control the CaCO3 scale and improve properties.

Boiler system:
Boiler systems produce hot water or vapors in Power plants, factories and etc.

Some impurities like CaCO3 and CaSO4 in the boiler system can cause deposition and eventually boilers to fail. 
Therefore use this product as dispersion, preventing sedimentation and improve the life of boilers.

In boiler systems, this product can be stable until 900 psig pressure.

Cool water system:
In a cool water system, Phosphino Carboxylic Acid retains the heat transfer property and acts as a corrosion inhibitor. 
By adding ZnSO4 or copolymer with this product, the inhibitory effect of PCA can improve.  In a cool water system, the probability of calcium carbonate formation increases in high pH. So in alkaline conditions by adding this product, The problem of calcium carbonate formation can be solved.

Industrial wastewater has some impurities that can damage the environment. 
With recycle, these impurities can help nature or reduce cost. both of HEDP and Phosphino Carboxylic Acid use in the water treatment process. But a little use of this product is equivalent to HEDP and is superior to polyacrylates.

Pulp and paper industry:
Phosphino Carboxylic Acid in pulp and paper industry acts like as phosphonates and acrylates. This product is stable in alkaline conditions and can control the scale of CaCo3 and CaSO4.

Oilfield:
Due to its specific visibility, impartiality and affordability of barium sulfate, it is widely used in the oil and gas drilling industry. This is one of the vital minerals in the oil drilling industry. By adding this product, it can affect as a scale inhibitor for BaSO4 and SrSO4.


Synonyms
PCA;belsperse 164;phosphino carboxylic acid;Phaseolus coccineus agglutinin;Phosphino Carboxylic Acid(PCA);Phosphino Carboxilic Acid (PCA);Poly (acrylic acid-co-hypophosphite) sodium salt;2-Propenoic acid,polyMer with sodiuM phosphinate (1:1)


Polyphosphino Carboxylic Acid (PPCA) polymeric scale inhibitor is widely used for downhole application in oilfield squeeze treatments. Like all scale inhibitors (SI), it must perform the dual role of inhibiting scale formation at low concentration levels (∼2 to 20ppm) while giving acceptably long return curves at the wellbore. Both of these properties of polymeric scale inhibitors, inhibition efficiency and retention, are thought to be the functions of the molecular weight. PPCA is often applied in the field as a "precipitation squeeze" treatment and the molecular weight also has an important effect on the solubility of the polymer complex which is precipitated. In this work, we present several results on the phase behaviour and properties of PPCA when it is applied in precipitation squeeze


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EC / List no.: 615-245-4
CAS no.: 71050-62-9
2-Propenoic acid, polymer with sodium phosphinate
2-Propenoic acid, polymer with sodium phosphinate (1:1)


IUPAC names
2-Propenoic acid, polymer with sodium phosphinate
2-propenoic acid, polymer with sodium phosphinate
phosphanylformic acid
Phosphino carboxylic acid
Other names
Belclene 164
Poly(acrylic acid-co-sodium hypophosphite)


Names and Synonyms

Synonyms
2-Propenoic acid, polymer with sodium phosphinate
2-Propenoic acid-sodium phosphinate copolymer
Acrylic acid sodium phosphinate polymer
Acrylic acid, sodium hypophosphite polymer
Acrylic acid-sodium hypophosphite copolymer
Acrylic acid-sodium phosphinate copolymer
Phosphinic acid, sodium salt, polymer with 2-propenoic acid
Poly(acrylic acid-co-hypophosphite), sodium salt
Sodium hypophosphite-acrylic acid copolymer
Systematic Names
2-Propenoic acid, polymer with sodium phosphinate
2-Propenoic acid, polymer with sodium phosphinate (1:1)
Superlist Name
Poly(acrylic acid-co-sodium hypophosphite)


Belsperse 164 provides greater flexibility and better performance in developing multiple antiscalant programs for a variety of scales found in boiler systems, foods plants, and cleaning applications. 
Benefits Belsperse 164 is a multifunctional product that provides the benefits of many separate products, including: 
• Excellent calcium phosphate, calcium carbonate, silicate and iron oxide dispersancy all in a single product 
• Better deposit control and thermal stability than methacrylates, acrylates, and copolymers 
• FDA approved for use in applications where steam may contact food 
• Wide application range across industries, for both online and offline system protection and system clean ups

PHOSPHINOCARBOXYLIC ACID POLYMER BASED ANTIFOULING PRODUCT FOR STEAM BOILERS.

Belsperse 164 serves as a High Performance Dispersant for Industrial Water Systems manufactured by BWA Water Additive.
provides greater flexibility and better performance in developing multiple antiscalant programs for a variety of scales found in boiler systems, foods plants, and cleaning applications. 
Belsperse 164 is a multifunctional product that provides the benefits of many separate products, including: Excellent calcium phosphate, calcium carbonate, silicate and iron oxide dispersancy all in a single product ? Better deposit control and thermal stability than methacrylates, acrylates, and copolymers 
FDA approved for use in applications where steam may contact food 
Wide application range across industries, for both online and offline system protection and system clean ups 

Physical Properties of Belsperse 164 : Appearance - Colorless liquid Odor - slight 
Solids content 40% w/w 
Specific gravity - 1.22 at 20/20øC 
pH of undiluted product 4.0 
Viscosity 90mmý/s at 25øC 
Boiling point range 101-103øC (213-217øF) 
Freezing point range -1 to -3øC (30-27øF) 
Theoretical phosphorus Content (as P) 0.7% (w/w) 
Solubility in: -Water Miscible .


Belsperse 164 Equivalent provides greater flexibility and better performance in developing multiple antiscalant programs for a variety of scales found in boiler systems, foods plants, and cleaning applications.

This product is acceptable for use as an ingredient in cleaning products to be used in and around food processing areas (AX) where its use is not intended for direct food contact. 
The acceptable use level will vary based on the ingredients in the remainder of the formulation. 
Most use levels generally used for the purpose in industry would be acceptable.


Belsperse 164 scale control agent is a highly effective dispersant for phosphate-based boiler treatments that has been cleared by the FDA.
As a result, Belsperse 164 is finding widespread application as a boiler water additive. Key advantages are its very good phosphate dispersancy characteristics, excellent iron control, it can be monitored and has good thermal/hydrolytic stability.


Belsperse 164
- Boiler dispersant
- CIP cleaner
NSF, FDA, & USDA approved for a variety of applications
Excellent sludge, iron, and phosphate dispersant
Very high thermal and pressure stability
Excellent CaSO4 inhibitor
Good CaCO3 inhibitor

Belsperse 164 has been developed as a highly effective scale control agent and dispersant used primarily in boilers and industrial cleaning.


Through the introduction of phosphonic group into carboxylic group, PCA has good dispersion property for scale of calcium carbonate and calcium phosphate in circulating cool water system. 
It has good scale inhibition for barium sulfate, strontium sulfate and silica scale. 
PCA has advantages in wide range of water  quality, chemical stability, strong chlorine tolerance, etc. 
PCA can be used as scale and corrosion inhibitor  in circulating cool water system and oilfield refill water system.

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