Toluenesulfonamide formaldehyde resin Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25035-71-6 |
| Product name | Toluenesulfonamide formaldehyde resin |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Toluenesulfonamide formaldehyde resin
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Toluenesulfonamide formaldehyde resin Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Toluenesulfonamide formaldehyde resin
| Industry | Application | Process |
|---|---|---|
| Coatings | Used as an amino resin crosslinker to enhance film hardness, weather resistance, and chemical resistance | Mixed with alkyd resins, polyester resins, etc., and thermally cured at 120–180 °C, forming crosslinks via imine bonds or methylene bridges |
| Adhesives | Employed as a modifying component in thermosetting phenolic/urea-formaldehyde resins to improve water resistance and initial tack | Copolymerized with formaldehyde, phenol, or urea; p-toluenesulfonyl groups are introduced to reduce free formaldehyde and modulate reactivity |
| Printing Inks | Used as a curable resin component in fast-drying offset inks | Acts synergistically with photoinitiators in UV/thermal dual-cure systems; heating (130–150 °C) promotes methylene crosslinking |
| Textile Auxiliaries | Applied as a crosslinking component in wrinkle-resistant finishing agents for cotton fabrics | Formulated with dimethylol dihydroxyethyleneurea (DMDHEU) and participates in cellulose hydroxyl crosslinking during curing (150–160 °C) |
Manufacturing Quality Control of Toluenesulfonamide formaldehyde resin
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Determination | Measurement of temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Acid Value | Acid-Base Titration | Quantification of acidic groups by titration with standardized KOH solution using phenolphthalein indicator. |
| Free Formaldehyde Content | Acetylacetone Spectrophotometry (UV-Vis) | Derivatization of formaldehyde with acetylacetone to form a yellow chromophore measured at ~412 nm. |
| Residual p-Toluenesulfonamide | HPLC-UV | Separation and quantification using reversed-phase HPLC with UV detection at 254 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical determination of water content based on iodine-sulfur dioxide reaction in methanol-pyridine medium. |
| Ash Content | Gravimetric Analysis (Ignition at 550 C) | Combustion of sample followed by weighing of inorganic residue after high-temperature ignition. |
| Viscosity (Solution) | Rotational Viscometry | Measurement of resistance to flow of a standardized resin solution (e.g., 25% w/w in ethanol) at specified temperature. |
| Gel Time | Hot Plate Method | Time required for resin solution to gel upon heating at fixed temperature (e.g., 135 C) under standardized conditions. |
| Sulfur Content | ICP-OES | Quantification of total sulfur after microwave-assisted acid digestion and plasma emission spectroscopy. |
| Heavy Metals (Pb, Cd, Cr, Hg) | ICP-MS | Multi-element detection after acid digestion using inductively coupled plasma mass spectrometry. |
| pH of Aqueous Dispersion | Potentiometric Measurement | Determination using calibrated pH electrode in standardized aqueous suspension (e.g., 1% w/w). |
Technical Specifications of Toluenesulfonamide formaldehyde resin
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 120-125°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in acetone, ethyl acetate; practically insoluble in water |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Toluenesulfonamide formaldehyde resin
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Toluenesulfonamide formaldehyde resin
Industrial Toluenesulfonamide formaldehyde resin Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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