Pentaerythritol Tetra(3-mercaptopropionate) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7575-23-7 |
| Product name | Pentaerythritol Tetra(3-mercaptopropionate) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic GradeSpecialty 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 Pentaerythritol Tetra(3-mercaptopropionate)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pentaerythritol Tetra(3-mercaptopropionate) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pentaerythritol Tetra(3-mercaptopropionate)
| Industry | Application | Process |
|---|---|---|
| Polymers/Plastics | Crosslinker for UV-curable coatings and inks | Acts as a multifunctional thiol in free-radical polymerization, participating in thiol-ene click chemistry to increase coating crosslink density and adhesion |
| Coatings | Component of high-performance UV-curable clearcoats and pigmented coatings | Copolymerizes with acrylate monomers and rapidly cures under UV irradiation, enhancing flexibility and weather resistance |
| Adhesives | Reactive diluent and crosslinker for fast-curing adhesives | Enables rapid room-temperature or low-temperature curing via thiol-ene reaction, improving bond strength and heat resistance |
| Electronic Materials | Additive for photoresists and encapsulation materials | Functions as a multifunctional crosslinking unit to enhance resolution and thermal stability of photosensitive resins |
| Medical Materials | Precursor for biocompatible hydrogels | Participates in photoinitiated crosslinking to form three-dimensional networks for controlled drug release or tissue engineering scaffolds |
Manufacturing Quality Control of Pentaerythritol Tetra(3-mercaptopropionate)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Acid Value | Acid-base titration with KOH ethanol solution | Measures free carboxylic acid groups via neutralization with standardized potassium hydroxide solution in ethanol medium. |
| Thiol Content (SH group) | Iodometric titration | Oxidation of thiol groups by excess iodine, followed by back-titration of unreacted iodine with sodium thiosulfate. |
| Water Content | Karl Fischer titration (coulometric mode) | Electrochemical quantification of water via reaction with iodine generated in situ in a methanol-based reagent system. |
| Residue on Ignition | Gravimetric analysis after high-temperature ashing | Measures non-volatile inorganic impurities by weight difference before and after incineration at 700–800 °C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantitative analysis of trace metals following acid digestion and plasma excitation/emission spectroscopy. |
| Color (APHA) | Visual or spectrophotometric comparison to platinum-cobalt standards | Assessment of yellowness intensity by matching sample absorbance at 430 nm to standardized APHA color scale. |
| Viscosity (at 25 °C) | Rotational viscometry | Measurement of dynamic viscosity under controlled shear rate using a calibrated spindle in a temperature-regulated bath. |
| Refractive Index (at 20 °C) | Digital refractometry | Determination of light refraction angle at specified wavelength (typically 589 nm) to infer purity and composition. |
| Residual Solvents (e.g., ethanol, toluene) | GC-FID | Separation and quantification of volatile organic impurities using capillary column gas chromatography with flame ionization detection. |
| Appearance (Clarity & Color) | Visual inspection in glass cell | Subjective evaluation of physical state (clear liquid), absence of particulates, and color grade against water-white reference. |
| Specific Gravity | Digital density meter | Precise measurement of mass per unit volume relative to water at defined temperature (20 °C). |
Technical Specifications of Pentaerythritol Tetra(3-mercaptopropionate)
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | <=2.0 |
| Refractive Index (n20/D) | 1.495–1.505 |
| Relative Density (20°C/25°C) | 1.22–1.24 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 Pentaerythritol Tetra(3-mercaptopropionate)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Pentaerythritol Tetra(3-mercaptopropionate)
Safety Information of Pentaerythritol Tetra(3-mercaptopropionate)
| Pictograms |    |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Pentaerythritol Tetra(3-mercaptopropionate)
Industrial Pentaerythritol Tetra(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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