4-METHYLDIPHENYLMETHANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 620-83-7 |
| Product name | 4-METHYLDIPHENYLMETHANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 4-METHYLDIPHENYLMETHANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-METHYLDIPHENYLMETHANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-METHYLDIPHENYLMETHANE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate | Used in intermediate steps for synthesizing certain pharmaceuticals |
| Dyes | Dye synthesis | Applied as a raw material for azo dye synthesis |
| Materials science | Polymer additive | Used to enhance the performance of plastics or resins |
| Chemical manufacturing | Organic synthesis reagent | Participates in various organic chemical reactions |
Manufacturing Quality Control of 4-METHYLDIPHENYLMETHANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 4-methylbibenzyl content by retention time and peak area comparison against certified reference standard. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water in the sample. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measures non-volatile inorganic impurities by weighing residue after controlled high-temperature ashing. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element quantitative analysis based on element-specific atomic emission intensities in plasma. |
| Acid Value | Potentiometric Titration with NaOH standard solution | Determines free acidic impurities by titration to endpoint detected via pH electrode; expressed as mg KOH/g sample. |
| Color (APHA) | Visual or Instrumental Colorimetry (APHA scale) | Compares sample color intensity to platinum-cobalt standard solutions using spectrophotometer at 430 nm or visual comparator. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range over which solid transitions to liquid, indicating purity and identity via depression effects. |
| Residual Solvents (e.g., toluene, xylene) | Headspace Gas Chromatography (HS-GC) with FID | Quantifies volatile organic solvents by equilibrium partitioning into headspace followed by GC separation and detection. |
| Chlorinated Impurities (e.g., residual chlorobenzene) | Gas Chromatography–Mass Spectrometry (GC-MS) | Identifies and quantifies trace chlorinated contaminants using retention time and characteristic mass fragments. |
| Non-Volatile Residue (NVR) | Evaporation–Gravimetric Method | Determines insoluble or high-boiling residue by evaporation of fixed sample mass under controlled conditions and weighing. |
| Odor Profile | Sensory Evaluation (Qualified Panel) | Assesses off-odor presence and intensity against reference standards per ISO 8586; used for release control. |
| Particle Contamination | Membrane Filtration–Microscopy | Detects and enumerates insoluble particulates by filtration through defined-pore membrane and optical microscopy. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light to detect chiral impurities or enantiomeric excess (though compound is achiral, verifies absence of optically active contaminants). |
Technical Specifications of 4-METHYLDIPHENYLMETHANE
| Test Item | Specification |
|---|---|
| Appearance | Clear yellow liquid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Water Content (KF) | <=0.5% |
| Refractive Index (n20/D) | 1.575–1.585 |
| Relative Density (20°C/25°C) | 0.985–1.005 g/cm³ |
| Odor | Characteristic aromatic odor |
| Identification (NMR) | Consistent with structure |
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-METHYLDIPHENYLMETHANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 4-METHYLDIPHENYLMETHANE
Industrial 4-METHYLDIPHENYLMETHANE 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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