4-Methylindole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16096-32-5 |
| Product name | 4-Methylindole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeCosmetic GradeFood 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 4-Methylindole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Methylindole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Methylindole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates, including antibiotics and anticancer agents | Preparation of key drug scaffolds via halogenation, acylation, and related reactions |
| Fragrances & Flavors | Formulation of household and food fragrances (e.g., fruity, nutty, floral notes) | Formulation process (condensation with aldehydes, ketones, and other raw materials to produce specific fragrance components) |
| Chemicals & Materials | Synthesis of biocides, plant growth regulators, and dyes | Production of functional chemical intermediates via coupling, oxidation, and related reactions |
Manufacturing Quality Control of 4-Methylindole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a calibrated column and carrier gas. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation followed by mass spectral identification and semi-quantitative assessment of impurities relative to main peak. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile solvent residues are equilibrated in headspace vial and quantified via GC-FID using external calibration. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) | Sample digested in acid matrix; elemental emission intensities measured at characteristic wavelengths for quantitative metal analysis. |
| Chloride Impurity | Ion Chromatography (IC) with conductivity detection | Anionic separation on ion-exchange column; chloride quantified by conductivity response relative to calibration standards. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually as solid-to-liquid phase change under controlled heating rate per pharmacopeial guidelines. |
| Appearance | Visual Inspection in Glass Vial | Assessment of physical state, color, and clarity against specified criteria under standardized lighting and viewing conditions. |
| Odor | Sensory Evaluation by Trained Personnel | Qualitative assessment of characteristic odor profile consistent with reference material; performed in controlled environment. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralization of acidic impurities using standardized sodium hydroxide; endpoint detected potentiometrically or with phenolphthalein. |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Sample ignited at 700-800 C after sulfuric acid treatment; inorganic residue weighed to determine non-volatile inorganic content. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution; indicates presence and magnitude of chiral impurities if applicable. |
Technical Specifications of 4-Methylindole
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.640–1.645 |
| Relative Density (20°C/25°C) | 1.095–1.105 g/cm³ |
| Odor | Characteristic indolic 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 4-Methylindole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Methylindole
Packaging of 4-Methylindole
Industrial 4-Methylindole 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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