3,3'-Dimethylbiphenyl Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 612-75-9 |
| Product name | 3,3'-Dimethylbiphenyl |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic GradeReagent Grade |
| Packaging | 25L/drum |
| 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 3,3'-Dimethylbiphenyl
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,3'-Dimethylbiphenyl Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,3'-Dimethylbiphenyl
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Monomer or precursor for synthesizing high-performance polymers (e.g., polyimides, liquid crystal polymers) | Prepared via aryl coupling reactions such as Suzuki or Ullmann coupling; alternatively used as an alkylating agent in condensation polymerization |
| Pharmaceutical R&D | Synthesis of bioactive compounds or drug candidate molecules | Employed as an aromatic scaffold, functionalized (e.g., via nitration, halogenation, or boronic esterification) prior to incorporation into drug molecules |
| Materials Science | Preparation of organic optoelectronic materials (e.g., OLED emissive layer materials, charge transport materials) | Functional groups introduced via metal-catalyzed cross-coupling to construct π-conjugated systems with tailored electronic properties |
| Liquid Crystal Displays | Liquid crystal monomer component for formulating LC mixtures | Blended with other biphenyl- or cyclohexane-based liquid crystal monomers to tune dielectric anisotropy and clearing point |
| Analytical Chemistry | Reference standard or calibration material for chromatographic analysis | High-purity product calibrated by gas chromatography (GC) or high-performance liquid chromatography (HPLC) for quantitative analysis |
Manufacturing Quality Control of 3,3'-Dimethylbiphenyl
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against certified reference standard under optimized chromatographic conditions. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Identification and semi-quantification of impurities by retention time and mass spectral matching. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to quantify water content based on stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals via absorption of characteristic atomic spectral lines after acid digestion. |
| Chloride Content | Potentiometric Titration with AgNO3 | Determination of chloride ions by measuring potential change during silver nitrate titration. |
| Sulfated Ash | Gravimetric Analysis | Weight measurement of residue after sulfuric acid treatment and subsequent incineration. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection by observing solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against defined specifications under standardized lighting. |
| Solubility in Common Solvents | Qualitative Dissolution Test | Observation of complete dissolution behavior in specified solvents (e.g., ethanol, toluene) at room temperature. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detection and quantification of low-boiling contaminants by analysis of vapor phase above sample at equilibrium temperature. |
Technical Specifications of 3,3'-Dimethylbiphenyl
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.570–1.575 |
| Relative Density (20°C/25°C) | 0.995–1.005 g/cm³ |
| Odor | Characteristic aromatic odor |
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 3,3'-Dimethylbiphenyl
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,3'-Dimethylbiphenyl
Packaging of 3,3'-Dimethylbiphenyl
Industrial 3,3'-Dimethylbiphenyl 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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