We provide specialized winterization services to safeguard your pool during the off-season, and when spring arrives, we handle the thorough opening process.
Welcome to the World of Sulfonation
We provide specialized winterization services to safeguard your pool during the off-season, and when spring arrives, we handle the thorough opening process.
Welcome to the World of Sulfonation
Sodium Xylene Sulfonate (SXS) is a water-soluble aromatic sulfonate hydrotrope supplied by AAOL as AROTROP-SX40 for detergent, cleaning, personal-care and industrial formulation applications.
SXS is used to improve the compatibility of ingredients in concentrated aqueous systems. It is particularly useful where formulators need a hydrotropic agent, solubilizing aid or coupling agent to help maintain difficult-to-combine components within a stable water-based formulation.
AAOL supplies SXS40 for industrial customers requiring defined active matter, controlled formulation parameters, technical documentation and dependable supply.
TRADE NAME
AROTROP-SX40
ACTIVE MATTER
NLT 40%
CAS NUMBER
1300-72-7
MOLECULAR FORMULA
C₈H₉NaO₃S
pH
7.0–10.0*
CHEMICAL CLASS
Hydrotrope
Corrosive
C₈H₉NaO₃S
1300-72-7
● Sodium Xylene Sulphonate
● Sodium Xylenesulfonate
● Sodium Xylenesulphonate
● Xylene Sulfonate Sodium Salt
● Xylene Sulphonic Acid Sodium Salt
● Sodium Salt of Xylene Sulfonic Acid
● Dimethylbenzenesulfonate Sodium Salt
● SXS Chemical
✓ Aqueous hydrotrope solution
✓ NLT 40% active matter
✓ Highly water-compatible
✓ Suitable for concentrated formulations
✓ Used in detergent and cleaning systems
✓ Industrial formulation aid
Sodium Xylene Sulfonate is an aromatic sulfonate used primarily as a hydrotrope, solubilizing aid and coupling agent in water-based formulations.
AAOL’s AROTROP-SX40 is supplied as an aqueous liquid grade containing at least 40% Sodium Xylene Sulfonate.
Its principal function is to help increase the ability of water-based systems to accommodate ingredients that may otherwise have limited compatibility. This makes SXS particularly useful in concentrated detergent, cleaning and related formulations.
SXS may be relevant in systems involving liquid household detergents, dishwashing liquids, laundry formulations, shampoos and wash-off products, industrial cleaners, degreasing compounds, textile printing pastes, paper-processing applications, leather-industry adhesive systems and other complex aqueous formulations.
Sodium Xylene Sulfonate is also used in suitable formulations to help manage cloud point, crystallisation behavior and formulation viscosity.
Its exact performance depends on the overall formulation, active concentration, surfactant system, electrolytes and operating temperature.
Verified Research Batch
Sodium Xylene Sulfonate
AROTROP-SX40
SXS / SXS40
1300-72-7
C₈H₉NaO₃S
208.23 g/mol
Hydrotrope
Clear colourless to yellow*
Liquid
NLT 40%
NMT 3.0%**
7.0–10.0***
NMT 60%
Approx. 10°C
Approx. 16°C
>100°C
>94°C
Water-soluble / aqueous grade
Stable under normal conditions
Not regulated as dangerous goods
Sodium Xylene Sulfonate is widely used as a hydrotrope in liquid detergent formulations.
It helps increase the compatibility of formulation components in concentrated aqueous systems and can support clearer, more manageable formulations where ingredients would otherwise show limited mutual solubility.
Key Benefits
✓ Hydrotropic formulation support
✓ Helps solubilize complex detergent systems
✓ Suitable for concentrated liquid formulations
SXS can be used in dishwashing liquids and household cleaning formulations where surfactants, builders, solvents and other ingredients must remain compatible within an aqueous system.
It may also help control haze or crystallisation behavior in suitable formulations.
Key Benefits
✓ Supports ingredient compatibility
✓ Useful in concentrated cleaning systems
✓ Helps manage formulation clarity
Sodium Xylene Sulfonate is used in selected industrial cleaners and degreasing compounds as a hydrotrope, coupling agent and processing aid.
Its role is particularly relevant where difficult-to-combine cleaning components must be incorporated into a stable aqueous formulation.
Key Benefits
✓ Suitable for industrial cleaning systems
✓ Supports concentrated formulations
✓ Useful as a coupling and solubilizing aid
SXS is used in selected shampoos and wash-off personal-care formulations where hydrotropic functionality can support the incorporation of formulation ingredients into water-based systems.
Final use level should be established through product-specific formulation testing.
SXS is used in selected shampoos and wash-off personal-care formulations where hydrotropic functionality can support the incorporation of formulation ingredients into water-based systems.
Final use level should be established through product-specific formulation testing.
Key Benefits
✓ Water-based formulation compatibility
✓ Supports selected shampoo systems
✓ Useful formulation-development aid
✓ Water-based formulation compatibility
✓ Supports selected shampoo systems
✓ Useful formulation-development aid
Sodium Xylene Sulfonate is used in selected textile printing pastes and processing formulations.
Its exact role depends on the chemistry of the printing or processing system and should be validated under actual production conditions.
Key Benefits
✓ Relevant to textile processing
✓ Compatible with aqueous formulation systems
✓ Useful in selected industrial process blends
SXS is used in selected systems for extracting pentosans and lignin in paper-industry processes and as an additive in certain glue systems used by the leather industry.
Suitability depends on the complete process chemistry and required operating conditions.
Key Benefits
✓ Relevant to selected paper-processing systems
✓ Useful in specified leather adhesive applications
✓ Industrial aqueous-processing compatibility
AROTROP-SX40 should be handled as an industrial irritant chemical.
The current SDS identifies:
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation
Avoid direct eye exposure and prolonged contact with skin.
Use suitable protective equipment and provide adequate workplace ventilation during handling and processing.
• Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, continue rinsing and obtain medical advice or attention where required.
• Skin Contact:
Wash affected skin with plenty of water and remove contaminated clothing.
If redness, rash, blistering or persistent irritation develops, seek medical attention.
• Inhalation:
Move the affected person to fresh air and keep them at rest in a position comfortable for breathing.
If symptoms occur, obtain medical attention.
• Ingestion:
Rinse the mouth.
Do not induce vomiting. Seek medical treatment.
Avoid uncontrolled discharge into:
● drains
● watercourses
● soil
● confined drainage systems
Spills should be contained and collected using suitable industrial procedures.
Recovered spill material should not be returned to the original container for reuse.
Waste and contaminated packaging should be disposed of in accordance with applicable regulations.
Appropriate workplace measures include:
● safety glasses with side shields or goggles
● suitable protective gloves
● protective clothing
● chemical-resistant footwear where required
● respiratory protection where ventilation is insufficient
● adequate general and local ventilation
Eyewash facilities and emergency showers should be available in industrial handling areas.
Store in the original tightly closed container at room temperature.
Avoid excessive temperatures, particularly conditions approaching or exceeding the product’s flash point.
Because the SDS reports a freezing point of approximately 10°C and crystallisation point of approximately 16°C, low-temperature storage and transport conditions should be considered during handling.
Keep containers tightly closed when not in use.
Store in a clean industrial storage area and prevent product contamination.
AROTROP-SX40 is stable under normal conditions.
Avoid contact with strong oxidants and excessive heat.
The crystallisation characteristics of SXS40 deserve specific attention.
If the product is exposed to sufficiently low temperatures, crystallisation may occur.
For industrial storage and transport, operators should therefore consider:
● ambient temperature
● warehouse conditions
● transport conditions
● transfer-line temperature
● product condition before pumping
Any reheating or recovery procedure should follow AAOL’s approved technical guidance.
Store SXS40 in approved packaging suitable for an aqueous industrial chemical.
Containers should remain tightly sealed and should be inspected for:
● leakage
● physical damage
● contamination
● compromised seals
before transfer or use.
Need custom documentation or batch-specific analysis?
AROTROP-SX40 is supplied against a defined active-matter specification, helping formulation, production and procurement teams evaluate suitability for recurring industrial use.
SXS forms part of AAOL’s broader hydrotrope and sulfonation chemistry portfolio, supporting customers that require functional aromatic sulfonates for aqueous formulations.
Relevant product documentation can support review by procurement, formulation and R&D teams, QA/QC, manufacturing and EHS personnel.
AAOL can support technical and commercial discussions relating to intended application, required specification, documentation, order quantity and recurring demand.
Manufacturers evaluating a Sodium Xylene Sulfonate manufacturer or supplier need more than a product name and CAS number.
A technically useful SXS product page should clearly communicate active matter, sodium sulfate, pH, appearance, physical form, crystallisation behaviour, product identity, handling requirements, storage conditions, technical documentation, industrial applications and commercial supply information.
AAOL’s SXS product information is intended to support both technical qualification and procurement evaluation.
Defined active matter and formulation-relevant parameters.
Part of AAOL’s industrial aromatic sulfonate portfolio.
SDS, COA and technical-specification support.
Designed for selected detergent, cleaning and aqueous systems.
Suitable for recurring manufacturing requirements.
Supports formulation and process discussions with industrial customers.
A hydrotrope helps increase the apparent solubility or compatibility of otherwise difficult-to-combine substances in water-rich formulations.
Sodium Xylene Sulfonate performs this role differently from a conventional surfactant.
Rather than being primarily used to form micelles or provide detergency, SXS is generally introduced to help increase solvent capacity, improve coupling between formulation components and support concentrated aqueous systems.
This makes SXS useful when formulators need to incorporate surfactants, solvents, electrolytes, builders and fragrances or other compatible formulation components into a manageable water-based formulation.
SXS should therefore be positioned primarily as a hydrotrope and formulation aid, not simply as an anionic surfactant.
Sodium Xylene Sulfonate is particularly useful where concentrated formulations become hazy, phase-separated or difficult to process.
In suitable systems, SXS can function as a hydrotropic agent, a solubilizing aid, a coupling agent, a processing aid, a viscosity-control aid and a cloud-point modifier
SXS may also help lower the crystallisation temperature of complex blends.
Actual performance is formulation-dependent and should be validated using the intended product composition, concentration and temperature range.
In Stock
Pricing depends on purity requirements, packaging format, application suitability, order quantity, export destination, and logistics specifications.
Whether your requirement involves laboratory research, pilot-scale evaluation, process development, or commercial manufacturing, AAOL delivers dependable SXS supply supported by responsive technical assistance and consistent production capabilities.
HDPE Bags
Per Unit
Research Packaging
Per Unit
✓ Aromatic sulfonate hydrotrope
✓ CAS No. 1300-72-7
✓ Molecular formula C₈H₉NaO₃S
✓ Molecular weight 208.23 g/mol
✓ Supplied by AAOL as AROTROP-SX40
✓ NLT 40% active grade
✓ Aqueous liquid form
✓ Highly compatible with water-based systems
✓ Relevant to detergent formulations
✓ Useful in industrial cleaning systems
✓ Used in selected shampoo formulations
✓ Relevant to textile, paper and leather processing
✓ Can support cloud-point and crystallisation control
✓ Not regulated as dangerous goods for transport
The 40% liquid grade is particularly practical for manufacturing systems that already operate in an aqueous phase.
Compared with a dry product, an aqueous SXS grade can simplify:
● liquid dosing
● mixing
● transfer
● dispersion into the batch
● handling in automated formulation systems
AAOL’s current evidence supports AROTROP-SX40 as the liquid product grade.
Any 90% or powder SXS product should be promoted only if AAOL separately manufactures and documents that grade.
AAOL supplies AROTROP-SX40 Sodium Xylene Sulfonate for detergent, cleaning, personal-care, textile, paper, leather and other industrial formulation applications.
If you are evaluating a Sodium Xylene Sulfonate manufacturer, Sodium Xylene Sulfonate supplier or bulk SXS supplier in India, share your formulation and procurement requirements with the AAOL team.
We can support discussions around:
● SXS40 specifications
● active-matter requirements
● sodium sulfate limits
● pH requirements
● SDS / TDS / COA documentation
● industrial quantities
● packaging
● recurring supply
● formulation requirements
● bulk logistics
● commercial quotation
Sodium Xylene Sulfonate (SXS) is an aromatic sulfonate used mainly as a hydrotrope and formulation aid in concentrated aqueous systems.
AAOL supplies the product as AROTROP-SX40, a liquid industrial grade containing more than 40% Sodium Xylene Sulfonate.
SXS is the commonly used abbreviation for Sodium Xylene Sulfonate.
It is used primarily to improve ingredient compatibility and solubilization in selected detergent, cleaning and other water-based formulations.
The CAS number of Sodium Xylene Sulfonate is 1300-72-7.
The molecular formula is C₈H₉NaO₃S.
The molecular weight is approximately 208.23 g/mol.
Yes.
SXS is widely used as a hydrotrope in water-based formulations.
Its function is to help improve the compatibility or apparent solubility of formulation components that may otherwise be difficult to incorporate into concentrated aqueous systems.
SXS is sometimes grouped commercially with surfactant-related formulation ingredients, but its primary technical role is as a hydrotrope rather than a conventional surfactant.
It is mainly used for solubilization, coupling and formulation support rather than for detergency or micelle formation.
Typical Sodium Xylene Sulfonate uses include selected applications in:
● liquid detergents
● dishwashing formulations
● shampoos
● industrial cleaning chemicals
● degreasing compounds
● textile printing pastes
● paper processing
● leather-industry adhesive systems
In suitable liquid detergent formulations, SXS can help improve the compatibility of surfactants and other formulation ingredients in a concentrated aqueous system.
It may also assist with cloud-point and crystallisation control.
In some formulation systems, hydrotropes such as SXS can influence viscosity and improve processability.
The effect is formulation-specific and should be determined by testing the complete system.
SXS can help modify cloud point or crystallisation behaviour in suitable complex formulations.
The actual effect depends on the formulation composition and use level.
AAOL’s existing product information identifies:
● Active Matter: NLT 40%
● Sodium Sulfate: NMT 3.0%
● pH of 1% aqueous solution: 7.0–9.0
● Moisture Content: NMT 60%
● Appearance: clear colourless to yellow
The approved current TDS and batch COA should be treated as the final commercial specification.
Aromatic Allied & Organics Pvt Ltd (AAOL India) lists a freezing point of approximately 10°C and a crystallisation point of approximately 16°C.
These properties should be considered during low-temperature storage, transport and transfer operations.
AAOL India identifies SXS40 as capable of causing skin irritation, serious eye irritation and respiratory irritation.
Appropriate PPE and adequate workplace ventilation should be used during handling.
The current SDS states that AROTROP-SX40 is not regulated as dangerous goods under DOT, IATA or IMDG.
Sodium Xylene Sulfonate price depends on factors such as:
● required quantity
● applicable grade/specification
● packaging
● delivery destination
● recurring volume
● logistics requirements
For an accurate commercial price, request a current quotation from AAOL.
The current source material provided for this page supports AROTROP-SX40, a 40% liquid grade.
There is not enough evidence to state that AAOL currently manufactures or supplies SXS 90% powder.
If AAOL offers a separate powder grade, it should have its own verified specification and documentation before being added to this page.
