2,3-Dimethylindole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 91-55-4 |
| Product name | 2,3-Dimethylindole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeCosmetic GradeFood Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 2,3-Dimethylindole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,3-Dimethylindole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,3-Dimethylindole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antidepressant drugs | Used as an intermediate in organic synthesis reactions, such as coupling and condensation |
| Dyes | Production of dyes in various colors | Combined with different chromophores to form target dye molecules |
| Pesticides | Manufacture of certain herbicides or insecticides | Applied as a precursor to active ingredients, reacting with other chemicals under specific conditions to yield final products |
| Fine Fragrances & Flavors | Production of daily-use chemicals with distinctive aromas | Converted into desired fragrance compounds via hydrogenation, oxidation, and related steps |
| Materials Science | Research on novel optoelectronic materials | Incorporated into polymeric systems via polymerization or other methods to enhance material properties |
Manufacturing Quality Control of 2,3-Dimethylindole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 2,3-dimethylindole peak area relative to a calibrated standard curve using flame ionization detection. |
| Related Substances | Gas Chromatography (GC) with FID or GC-MS | Separates and identifies impurities based on retention time and/or mass spectral matching against reference standards. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile solvents are vaporized in sealed vials and quantified by GC-FID after equilibrium partitioning into headspace. |
| Water Content | Karl Fischer Titration (coulometric or volumetric) | Measures water via stoichiometric reaction between iodine, sulfur dioxide, and water in anhydrous methanol-based reagent. |
| Acid Value | Acid-Base Titration with NaOH | Determines free acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Compares sample color to platinum-cobalt standard solutions; measured as APHA units using spectrophotometer at 430 nm. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range over which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determines non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-OES | Quantifies metal impurities (e.g., Pb, Cd, Hg, As) after acid digestion by atomic absorption or optical emission. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Separates and quantifies chloride ions using conductivity detection or silver nitrate titration with endpoint detection. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light induced by chiral impurities or enantiomeric excess in solution. |
| Bulk Density | Tap Density Measurement (ASTM D1895) | Determines mass per unit volume after standardized mechanical tapping of a powder sample in a graduated cylinder. |
Technical Specifications of 2,3-Dimethylindole
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 58–62°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference standard |
| 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 2,3-Dimethylindole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,3-Dimethylindole
Packaging of 2,3-Dimethylindole
Industrial 2,3-Dimethylindole 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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