Trimethylolpropane Tris(3-mercaptopropionate) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 33007-83-9 |
| Product name | Trimethylolpropane Tris(3-mercaptopropionate) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Trimethylolpropane Tris(3-mercaptopropionate)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Trimethylolpropane Tris(3-mercaptopropionate) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Trimethylolpropane Tris(3-mercaptopropionate)
| Industry | Application | Process |
|---|---|---|
| Coatings & Inks | Used as a crosslinker to enhance chemical resistance and adhesion of coatings | Enables rapid crosslinking in UV-curable coatings via free-radical thiol–ene addition |
| Polymers | Used in the synthesis of high-performance resins to improve elasticity and heat resistance | Acts as a multifunctional monomer in polymerization to form three-dimensional network structures |
| UV-Curable Materials | Used as an active diluent and toughening agent in photosensitive resins | Enables efficient curing under UV irradiation via thiol–ene click chemistry |
| Electronics Encapsulation | Used in encapsulation materials for flexible electronic devices | Provides excellent mechanical flexibility and thermal stability, enhancing interfacial adhesion |
| Medical Devices | Used in biocompatible coating or adhesive formulations | Can be suitably modified to meet medical device requirements for low toxicity and high stability |
Manufacturing Quality Control of Trimethylolpropane Tris(3-mercaptopropionate)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component by retention time and peak area against calibrated standard. |
| Acid Value | Acid-Base Titration with KOH in ethanol | Measures free carboxylic acid content via neutralization with standardized alkali solution. |
| Thiol Content | Iodometric Titration | Determines total -SH groups by oxidation with excess iodine and back-titration of unreacted iodine. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Evaluates yellowness intensity relative to platinum-cobalt standards using standardized color scale. |
| Water Content | Karl Fischer Coulometric Titration | Quantifies trace water by electrochemical generation and stoichiometric reaction with iodine in pyridine-free reagent. |
| Viscosity (at 25 C) | Rotational Viscometry | Measures resistance to flow under controlled shear rate using calibrated spindle and temperature-controlled bath. |
| Refractive Index (at 20 C) | Refractometry | Determines ratio of light velocity in air vs. sample using Abbe refractometer at specified wavelength (589 nm). |
| Density (at 20 C) | Digital Density Meter or Pycnometry | Calculates mass per unit volume from oscillating U-tube frequency or calibrated glass flask mass difference. |
| Residue on Evaporation | Gravimetric Analysis | Measures non-volatile impurities by evaporating known sample mass under controlled conditions and weighing residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals after wet digestion by atomic absorption at characteristic wavelengths. |
| Sulfur Content | Combustion IC (Ion Chromatography after oxidative combustion) | Oxidizes organic sulfur to sulfate, then quantifies SO4(2-) via suppressed conductivity detection. |
| Peroxide Value | Ferrous Oxidation-Xylenol Orange (FOX) Assay | Measures hydroperoxides via oxidation of Fe2+ to Fe3+, forming colored complex with xylenol orange for spectrophotometric readout. |
Technical Specifications of Trimethylolpropane Tris(3-mercaptopropionate)
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | <=1.0 |
| Refractive Index (n20/D) | 1.525–1.535 |
| Relative Density (20°C/25°C) | 1.24–1.26 g/cm³ |
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 Trimethylolpropane Tris(3-mercaptopropionate)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Trimethylolpropane Tris(3-mercaptopropionate)
Safety Information of Trimethylolpropane Tris(3-mercaptopropionate)
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Trimethylolpropane Tris(3-mercaptopropionate)
Industrial Trimethylolpropane Tris(3-mercaptopropionate) 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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