4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 50446-43-0 |
| Product name | 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeMaterial Grade |
| Packaging | 25KG/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 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Synthesized via substitution reactions |
| Agriculture | Intermediate for pesticide synthesis | Synthesized via addition reactions |
| Dyes | Dye manufacturing | Produced via condensation reactions |
| Plastics | Plastic additive | Prepared via coordination reactions |
| Surfactants | Emulsifier or dispersant manufacturing | Produced via solvent-based or emulsion methods |
Manufacturing Quality Control of 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at ~254 nm. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., toluene, xylene, THF) by gas chromatography with flame ionization detection, per ICH Q3C guidelines. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element trace metal quantification after acid digestion, leveraging high sensitivity and isotopic resolution for compliance with ICH Q3D elemental impurities limits. |
| Chlorinated Impurities (e.g., residual chlorobenzene, dichlorobenzenes) | GC-ECD | Selective detection of organochlorine compounds via electron capture detection following capillary GC separation. |
| Moisture Content | Karl Fischer Titration (Coulometric) | Electrochemical quantification of water content based on the stoichiometric reaction of iodine with water in anhydrous pyridine–methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing the temperature range over which solid-to-liquid phase change occurs under controlled heating. |
| Appearance (Color & Clarity) | Visual Inspection against APHA Scale | Comparison of sample solution (in toluene or THF) to standardized platinum-cobalt color standards; assessment of particulate clarity under controlled lighting. |
| Ash Content | Gravimetric Analysis (Ignition at 550 °C) | Determination of non-volatile inorganic residue after high-temperature combustion and subsequent weighing. |
| Related Substances (Structural Analogues & Synthesis Intermediates) | HPLC-DAD/HRMS | Identification and quantification of impurities (e.g., mono-/di-substituted intermediates, oxidative degradation products) using diode-array detection and high-resolution mass spectrometry confirmation. |
| Sulfated Ash | Gravimetric Analysis (H₂SO₄-assisted ignition) | Measurement of inorganic residue after sulfuric acid treatment followed by ignition at 700 °C, indicating metallic sulfate contaminants. |
| Bulk Density | ASTM D1895 Method A (Tapped Density) | Determination of mass per unit volume after mechanical tapping to assess powder flow and handling characteristics. |
| Particle Size Distribution | Laser Diffraction (Dry Dispersion) | Analysis of size distribution profile based on angular scattering intensity of laser light passing through dispersed particles. |
| Residual Palladium (from Suzuki coupling catalyst) | ICP-OES | Quantitative determination of Pd after microwave-assisted acid digestion using plasma emission at characteristic wavelengths (e.g., 340.458 nm). |
Technical Specifications of 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 245–249 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=0.1% |
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 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
Packaging of 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene
Industrial 4,4''-Dimethyl-5'-(4-methylphenyl)-1,1':3',1''-terbenzene 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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