TH-5000 CARBOXYLATE-SULFONATE COPOLYMER

TH-5000 Carboxylate-Sulfonate Copolymer belongs to our extensive range of deposition control and dispersing agents.
TH-5000 Carboxylate-Sulfonate Copolymer can be used in all aspects of modern, all-organic water treatment applications.

CAS Number: 23877-44-3
Molecular formula : would be something like (–COO– monomer unit)n + (–SO₃– monomer unit)m + associated counterions (e.g. Na⁺) + water of hydration, etc. But the exact monomer ratio (n : m) is proprietary, so one cannot assign a single formula.
Molecular weight / molar mass : likely in the thousands (e.g. ~ 10,000 g/mol or more) depending on chain length and polydispersity — but no reliable public value for TH-5000 itself.

SYNONYMS:
AA-AMPS CO POLYMER, H-5000, Carboxylate-Sulfonate Copolymer, carboxylate-sulfonate copolymer 5000” (similar to IR-5000), KR-5000, Carboxylate-Sulfonate Copolymer, IR-5000, KR-5000, ACUMER 5000, Carboxylate-Sulfonate Copolymer, Polycarboxylate-Sulfonate Copolymer

TH-5000 Carboxylate-Sulfonate Copolymer is a water-treatment specialty polymer marketed as a carboxylate-sulfonate copolymer.
TH-5000 Carboxylate-Sulfonate Copolymer's design is to combine carboxylate (–COO⁻) and sulfonate (–SO₃⁻) functional groups along a polymer backbone, giving it dual capabilities: dispersion of particulates, inhibition of scale formation, and tolerance in harsh water chemistries.

Because of its dual functionality, TH-5000 Carboxylate-Sulfonate Copolymer can address multiple fouling or scaling mechanisms (e.g. calcium carbonate, silica, iron oxides, phosphate scales) more robustly than simpler single-function polymers.
TH-5000 Carboxylate-Sulfonate Copolymer's performance is claimed in vendor literature to be superior for “silica and magnesium silicate” scale inhibition, and for phosphate/ferric oxide scales.

In vendor product pages, TH-5000 Carboxylate-Sulfonate Copolymer is also said to act as a dispersant, i.e. to help keep precipitated particles suspended rather than allowing them to deposit and foul surfaces.
Thus, TH-5000 Carboxylate-Sulfonate Copolymer is positioned not merely as a single-purpose additive but as a multifunctional polymeric water treatment agent.

TH-5000 Carboxylate-Sulfonate Copolymer is marketed for water treatment / industrial cooling / recirculating systems as a scale inhibitor and dispersant.
TH-5000 Carboxylate-Sulfonate Copolymer is a more specialized polymer than generic dispersants, tailored for scale control in systems under stress (e.g. high silica, high hardness conditions).

TH-5000 Carboxylate-Sulfonate Copolymer is a multifunctional polymer that provides exceptional silica and magnesium silicate scale inhibition, with a molecular weight of 5000.
TH-5000 Carboxylate-Sulfonate Copolymer is highly effective in inhibiting deposits and incrustations in either cooling water circuits or boiler applications.
TH-5000 Carboxylate-Sulfonate Copolymer is a superior scale inhibitor and dispersant.

USES and APPLICATIONS of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
TH-5000 Carboxylate-Sulfonate Copolymer is used in cooling water circuits, boiler systems, industrial water loops, RO systems, fountains, and other closed / recirculating water systems.
TH-5000 Carboxylate-Sulfonate Copolymer offers distinct features for the treatment of silica-limited cooling waters, is used to control magnesium silicate scale in boilers.

The dosage of 15-30mg/L of TH-5000 Carboxylate-Sulfonate Copolymer is preferred when use alone.
TH-5000 Carboxylate-Sulfonate Copolymer belongs to our extensive range of deposition control and dispersing agents.

TH-5000 Carboxylate-Sulfonate Copolymer can be used in all aspects of modern, all-organic water treatment applications.
TH-5000 Carboxylate-Sulfonate Copolymer is used modern cooling water treatment (power plants, chemical industry, metal working), Solutions for boiler water treatment, Process water treatment, and Deposit control in autoclaves.

TH-5000 Carboxylate-Sulfonate Copolymer can be used in water treatment formulations to control Calcium Carbonate and Calcium Phosphate deposition, even in the presence of heavy metals.
TH-5000 Carboxylate-Sulfonate Copolymer is a Carboxylate-Sulfonate copolymer.

-Cooling water / recirculating systems use of TH-5000 Carboxylate-Sulfonate Copolymer:
 * In recirculating cooling towers, closed loops, condensers, heat exchangers, TH-5000 Carboxylate-Sulfonate Copolymer helps inhibit scale (especially silica, magnesium silicate) which is challenging in high-silica waters.
 * TH-5000 Carboxylate-Sulfonate Copolymer helps maintain system cleanliness, reduce fouling, and sustain heat transfer efficiency.

-Boiler / steam generation systems use of TH-5000 Carboxylate-Sulfonate Copolymer:
 * Use TH-5000 Carboxylate-Sulfonate Copolymer in boiler feedwater or pretreatment circuits to limit scale formation on boiler tubes, which degrades heat transfer and causes hot spots.
 * TH-5000 Carboxylate-Sulfonate Copolymer may also help in sludge dispersion.

-Industrial water loops / process cooling / chemical plants use of TH-5000 Carboxylate-Sulfonate Copolymer:
 * In plants where water is reused or recirculated (chemical, petrochemical, pulp & paper, power plants), TH-5000 Carboxylate-Sulfonate Copolymer can be part of the treatment program to reduce scale and particulate deposition.

-RO systems / membrane pretreatment uses of TH-5000 Carboxylate-Sulfonate Copolymer:
 * TH-5000 Carboxylate-Sulfonate Copolymer is used as a scale inhibitor or dispersant upstream of reverse osmosis (RO) membranes to reduce the risk of scaling and fouling on membrane surfaces.
 * TH-5000 Carboxylate-Sulfonate Copolymer helps maintain flux and extend membrane life.

-Swimming pools, fountains, decorative water systems use of TH-5000 Carboxylate-Sulfonate Copolymer:
 * In systems with moderate mineral content, TH-5000 Carboxylate-Sulfonate Copolymer may be used (as vendors sometimes advertise) to reduce scale on surfaces and keep clarity by dispersing suspended solids.

-Industrial cleaning / anti‐fouling formulations of TH-5000 Carboxylate-Sulfonate Copolymer:
 * In cleaning formulations where deposition / scale is a concern, a polymer like TH-5000 Carboxylate-Sulfonate Copolymer might help prevent redeposition or aid in suspending mineral particulates.

KEY FUNCTIONS AND ADVANTAGES CLAIMED INCLUDE of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
Inhibition of silica scale and magnesium silicate scale formation in cooling / recirculating systems.
Phosphate scale inhibition, particularly for hydrated or dry ferric oxide scales.
Dispersing of inorganic matter (metal oxides, sediments) to prevent deposition / fouling.

Good tolerance to high levels of calcium, silica, and metallic ions without losing performance.
Stability against oxidation, temperature variations (in claims).
Synergistic effect when used with other water treatment chemicals (co-treatment, boosting efficacy).

SOME KEY CHARACTERISTICS AND FUNCTIONAL BEHAVIORS of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
*Anionic nature: 
Because of the carboxylate and sulfonate groups, the polymer is negatively charged over a broad pH range; this helps TH-5000 Carboxylate-Sulfonate Copolymer interact with cationic metal ions (e.g. Ca²⁺, Mg²⁺, Fe³⁺) in water, thus inhibiting scale or precipitate formation via complexation or inhibition of crystal growth.

*Chelation / sequestration:
The carboxylate groups may chelate or bind metal ions, slowing or preventing their precipitation as scale.

*Steric hindrance / adsorption to crystals: 
TH-5000 Carboxylate-Sulfonate Copolymer may adsorb onto nascent crystal surfaces (e.g. silica, calcium silicate, iron oxide), impeding further crystal growth (an “antiscaling” mechanism).

*Dispersion of particles: 
If particulate minerals or oxides form, TH-5000 Carboxylate-Sulfonate Copolymer can help keep them dispersed (suspended) rather than settled, reducing fouling.

*Thermal / chemical robustness: 
Vendor claims suggest TH-5000 Carboxylate-Sulfonate Copolymer can withstand higher temperatures and oxidative stress better than some simpler inhibitors.

*Compatibility with other treatment chemicals: 
Because it's multifunctional, TH-5000 Carboxylate-Sulfonate Copolymer may reduce the number of separate chemical additions, and may be compatible with biocides, corrosion inhibitors, and other water treatment chemicals (but compatibility must always be tested).

*Low threshold effect: 
Often, these polymers are effective at low dosing (tens of mg/L) rather than needing high concentrations.

*Synergistic behavior: 
When TH-5000 Carboxylate-Sulfonate Copolymer is used in combination with complementary inhibitors or dispersants, the overall performance (scale control, fouling prevention) may be better than each alone.

PRACTICAL CHARACTERISTICS & OPERATIONAL CONSIDERATIONS of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
*Form & formulation: 
TH-5000 Carboxylate-Sulfonate Copolymer is typically supplied as an aqueous solution (polymer in water), not as a dry polymer.
This improves handling and metering.

*Dose optimization: 
While the vendor recommends 15–30 mg/L when used alone, practical systems may require adjustment depending on water chemistry, flow, temperature, and scale load.

*Monitoring & control: 
Performance can be monitored by tracking scale deposition, conductivity, turbidity, and fouling rates; adjustments to dosage may be needed seasonally or with changes in water quality.

*Synergy with inhibitors / other polymers: 
In practice, TH-5000 Carboxylate-Sulfonate Copolymer may be used in a chemical treatment “program” along with corrosion inhibitors (e.g. phosphonates, zinc salts) and biocides.

*pH dependence: 
Because TH-5000 Carboxylate-Sulfonate Copolymer contains acid groups, its efficacy (ionization state, binding) may vary with system pH; one must maintain pH in a suitable range for the polymer to remain effective.

*Temperature / oxidation stress: 
TH-5000 Carboxylate-Sulfonate Copolymer is claimed to tolerate variation, but in practice, in high-temperature systems or aggressive oxidant environments (e.g. chlorine, ozone) the polymer may degrade over time, reducing efficacy.

*Storage & shelf life: 
Vendor pages often list ~10 months of effective shelf life under appropriate conditions (cool, shaded, sealed) before significant degradation or microbial growth may occur.

*Corrosion / rust inhibition: 
Some vendors suggest TH-5000 Carboxylate-Sulfonate Copolymer may act as a rust inhibitor or metal corrosion aid in water systems (“acting as rust inhibitor”) in addition to scale/dispersant role.

USAGE of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
When TH-5000 Carboxylate-Sulfonate Copolymer is used alone, the dosage of 15-30mg/L.
When TH-5000 Carboxylate-Sulfonate Copolymer is used as dispersant in other fields, the dosage should be determined by experiment.

PROPERTIES of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
TH-5000 Carboxylate-Sulfonate Copolymer is a superior scale inhibitor and dispersant.
TH-5000 Carboxylate-Sulfonate Copolymer has good inhibition for silica and magnesium silicate when used in recirculation cooling circuits and boilers.

TH-5000 Carboxylate-Sulfonate Copolymer is a superior phosphate scale inhibitor for dry or hydrated ferric oxide.
Acting as a rust inhibitor, TH-5000 Carboxylate-Sulfonate Copolymer can also be used in systems like industrial RO, pools and fountains etc.

CLAIMED / REPORTED BENEFITS & PERFORMANCE ADVANTAGES of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
From vendor literature
Superior scale inhibition of silica and magnesium silicate (which are more challenging to control than carbonate scales) in recirculation circuits.

Excellent phosphate / ferric oxide scale control (dry or hydrated forms) — useful where iron or phosphate buildup is a problem.
Good dispersant performance, meaning it keeps precipitated solids (e.g. metal oxides, colloids) in suspension rather than allowing them to deposit.

Tolerance to high calcium, silica and metal ion levels, maintaining efficacy even under challenging water chemistry.
Stability under heat / oxidation (claimed resistance to oxidative conditions) in vendor specifications.

Low dosage required when used alone: typically 15–30 mg/L in many water systems.
Multi-functional capability (scale inhibition + dispersion + possibly rust control) reduces the need for multiple separate additives.

Extended service life and reliability in systems with varying conditions (temperature, hardness) as claimed by vendor literature.
Because of these advantages, TH-5000 Carboxylate-Sulfonate Copolymer is suited to systems where traditional scale inhibitors (e.g. simple phosphonates, polyacrylates) may struggle in high silica or phosphate load environments.

PHYSICAL and CHEMICAL PROPERTIES of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
Appearance: Light yellow to pale brown liquid
Solid content %    44.0-46.0
Density (20℃)g/cm3: 1.15-1.25
pH(as it): 2.0-3.0
Viscosity (25℃) cps: 200-600
Molecular Weight: N/A    
Melting Point (℃): N/A
Appearance: N/A    Vapor 

Specific Gravity: N/A
HS Code    N/A: 
Flash Point (℃): N/A
Solubility: N/A    
Autoignition Temperature (℃): N/A
Usage/Application: Industrial
Grade Standard: Technical Grade

Physical State: Liquid
Form: Liquid
Usage: Industrial
Appearance: Pale yellow to yellow liquid.
Nature: Acrylic copolymer
Grade: Partial sodium salt
pH (as is) at 250C: 3.8 – 4.6

Total Solids (%): 43.5 ± 0.5%
Specific gravity at 25o C: 1.22 ±0.03 gm/cc
Average molecular weight: Approx. 5000
Brookfield viscosity at 25o C: 100 – 400 cps
Solubility in Water: Freely soluble at all use levels
Appearance: Light yellow to pale brown liquid
Solid content %    44.0-46.0
Density (20℃)g/cm3: 1.15-1.25
pH(as it): 2.0-3.0

Viscosity (25℃) cps: 200-600
Chemical Structure: A copolymer of carboxylate and sulfonate groups, 
providing both dispersant and scale inhibition properties.
Molecular Weight: Approximately 5000 g/mol
Functional Groups: Carboxylate (-COOH) and sulfonate (-SO₃H)
Stability: Stable under normal conditions; may decompose under extreme temperatures.
Compatibility: Compatible with various water treatment chemicals and systems.
Appearance: Amber to pale yellow transparent liquid

Solid Content: 44.0–46.0%
Density (20°C): 1.15–1.25 g/cm³
pH (as is): 2.0–3.0
Viscosity (25°C): 200–800 mPa·s
Water Solubility: Fully soluble
Flash Point: Non-combustible
Boiling Point: Not applicable (decomposes before boiling)
Melting Point: Not applicable

Trade / product name: TH-5000 Carboxylate-Sulfonate Copolymer
Declared CAS No (by a vendor): 23877-44-3
Chemical class: Copolymer combining carboxylate (–COO⁻ or its acid form) and sulfonate / sulfonic acid moieties in the polymer backbone or side chains (anionic functional groups). 
Used as a scale inhibitor / dispersant in water treatment systems.
Appearance: Colorless to light yellow transparent liquid (aqueous solution)
Solid content / active content: ~44 % (by weight) (range ~44.5 % for similar “5000” products; 
roughly 56 % water + formulation matrix)

Density (20 °C): ~1.15–1.25 g/cm³
pH (1 % solution / as is): ~2.5–4.0 (typical dilution)
Viscosity: 200–800 cP (25 °C, depending on product variant)
Scale inhibition / dispersant performance: Superior scale inhibitor and dispersant; 
good silica and magnesium silicate inhibition; excellent phosphate scale inhibitor for ferric oxide; 
high tolerance of calcium and silica; excellent resistance to high temperature and oxidation
Usage / dosage: 15–30 mg/L in water treatment systems

Storage / shelf life: ~10 months in a cool, dry, shaded place (manufacturer’s claim)
Molecular formula: Approximate – (–COO– monomer unit)n + (–SO₃– monomer unit)m + associated counterions (e.g., Na⁺) + water of hydration; 
exact ratio proprietary
Molecular weight / molar mass: Likely in the thousands (~10,000 g/mol or more, depending on chain length and polydispersity)
Appearance: Colorless to pale yellow transparent liquid
Solid content, %: 44.0–46.0
Density (20℃), g/cm³: 1.15–1.25
pH (as is): 2.0–3.0
Viscosity (25℃), cP: 200–600

FIRST AID MEASURES of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
-Description of first-aid measures:
*If inhaled:
If breathed in, move person into fresh air. 
*In case of skin contact:
Wash off with soap and plenty of water.
*In case of eye contact:
Flush eyes with water as a precaution.
*If swallowed:
Never give anything by mouth to an unconscious person. 
Rinse mouth with water.
-Indication of any immediate medical attention and special treatment needed:
No data available

ACCIDENTAL RELEASE MEASURES of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Keep in suitable, closed containers for disposal.

FIRE FIGHTING MEASURES of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
-Extinguishing media:
*Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
-Further information:
No data available

EXPOSURE CONTROLS/PERSONAL PROTECTION of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
*Skin protection:
Handle with gloves. 
Wash and dry hands.
*Body Protection:
Impervious clothing
*Respiratory protection:
Respiratory protection not required. 
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Store in cool place. 
Keep container tightly closed in a dry and well-ventilated place.
Containers which are opened must be carefully resealed and kept upright to prevent leakage.

STABILITY and REACTIVITY of TH-5000 CARBOXYLATE-SULFONATE COPOLYMER:
-Reactivity:
No data available
-Chemical stability:
Stable under recommended storage conditions.
-Possibility of hazardous reactions:
No data available
-Conditions to avoid:
No data available