3,4-DIMETHYLTHIOPHENOL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18800-53-8 |
| Product name | 3,4-DIMETHYLTHIOPHENOL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeMaterial 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 3,4-DIMETHYLTHIOPHENOL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,4-DIMETHYLTHIOPHENOL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,4-DIMETHYLTHIOPHENOL
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for synthesizing insecticides and acaricides | Used in the preparation of pyrethroid-based and sulfur-containing heterocyclic pesticides, where active molecular frameworks are constructed via alkylation, cyclization, and related reactions |
| Pharmaceuticals | Intermediate for drug synthesis | Employed in synthesizing anti-inflammatory, antimicrobial, and central nervous system agents, commonly to construct benzothiophene or thiazole ring systems |
| Dyes | Intermediate for organic pigments and fluorescent brighteners | Introduced as a sulfur-containing aromatic unit into dye molecules to enhance photostability and color fastness; utilized in diazotization-coupling or oxidative condensation processes |
| Rubber additives | Intermediate for rubber vulcanization accelerators | Used to synthesize dithiocarbamate accelerators via reaction with carbon disulfide and amines |
Manufacturing Quality Control of 3,4-DIMETHYLTHIOPHENOL
| 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 non-polar capillary column. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water; endpoint detected amperometrically. |
| Acid Value | Acid-Base Titration (NaOH in ethanol) | Neutralization of acidic impurities (e.g., sulfonic acids, phenols) with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing and subsequent weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms at element-specific wavelengths. |
| Sulfur Content | Oxidative Combustion followed by Ion Chromatography (IC) | Complete oxidation of organic sulfur to sulfate, followed by anion separation and conductivity detection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Evaluation of yellowness intensity by comparing sample absorbance at 455 nm to APHA platinum-cobalt standards. |
| Refractive Index | Refractometry | Determination of ratio of light velocity in air vs. sample at specified temperature (20 C) using calibrated Abbe refractometer. |
| Density | Digital Density Meter (Oscillating U-tube) | Measurement of sample density via resonant frequency shift of a vibrating U-shaped tube filled with the sample. |
| Non-Volatile Residue | Evaporation and Gravimetry | Weighing of residue remaining after gentle evaporation of a fixed sample volume under controlled nitrogen flow and drying. |
| Odor Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Semi-quantitative detection and identification of volatile odor-active impurities based on retention time and mass spectral matching. |
| Chlorinated Impurities | Gas Chromatography with Electron Capture Detector (GC-ECD) | Selective detection of organochlorine compounds via electron capture efficiency enhancement in the detector cell. |
Technical Specifications of 3,4-DIMETHYLTHIOPHENOL
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.572–1.576 |
| Relative Density (20°C/25°C) | 1.065–1.075 g/cm³ |
| Odor | Characteristic thiol 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 3,4-DIMETHYLTHIOPHENOL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 3,4-DIMETHYLTHIOPHENOL
Industrial 3,4-DIMETHYLTHIOPHENOL 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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