Methyl thiobutyrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2432-51-1 |
| Product name | Methyl thiobutyrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeMaterial GradeSpecialty 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 Methyl thiobutyrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methyl thiobutyrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methyl thiobutyrate
| Industry | Application | Process |
|---|---|---|
| Fragrance & Cosmetics | Used as a fragrance ingredient in floral-type perfume formulations | Synthesized via esterification; commonly employed as a fixative or odor modifier |
| Organic Synthesis | Used as an organic intermediate in the synthesis of pharmaceuticals and functional materials | Prepared via esterification of thiols with carboxylic acid derivatives |
| Pesticide Industry | Used as a pesticide intermediate in the synthesis of certain fungicides or herbicides | Produced via condensation or substitution reactions under specific catalytic conditions |
| Coatings & Resins | Used for resin modification or as a crosslinking aid to enhance coating performance | Improves durability through crosslinking reactions with multifunctional compounds |
Manufacturing Quality Control of Methyl thiobutyrate
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity | Gas Chromatography (GC) | Separates sample components using capillary columns and quantifies the main component with an FID detector, calculating purity via area normalization. Suitable for rapid, high-sensitivity purity analysis. |
| Content (Main Component Quantification) | Gas Chromatography-Fire Ionization Detector (GC-FID) | Quantifies using internal standard or external standard methods, with common internal standards such as dodecane or diethyl phthalate. Wide linear range and good repeatability, meeting pharmacopoeia requirements. |
| Moisture Content | Karl Fischer Titration | Determines trace moisture by a specific reaction between iodine, sulfur dioxide, pyridine, and methanol. Applicable for precise measurement of low moisture content (<0.1%), in accordance with ISO 760 or USP methods. |
| Impurity Profile (Organic Impurities) | Gas Chromatography-Mass Spectrometry (GC-MS) | Separates components via GC and identifies their structures using MS. Can identify and quantify residual solvents, synthetic by-products (such as thiols, ester isomers), etc. |
| Acid Value / Free Acid | Titration Method (Base Titration) | Determines free thiol acid or oxidation products in the sample using a sodium hydroxide standard solution, with phenolphthalein as an indicator, to evaluate raw material stability. |
| Appearance and Color | Visual Inspection + Color Measurement (APHA) | Observes whether the sample is clear and colorless, and measures APHA color value with a colorimeter to assess if yellow or brown impurities are present due to oxidation or degradation. |
| Density | Pycnometer Method / Density Meter Method | Measures liquid density at 20°C or 25°C, and compares it with a standard value (~1.02–1.05 g/cm³) for preliminary quality evaluation. |
| Boiling Point | Distillation Method / Boiling Point Apparatus | Determines the boiling point range under atmospheric pressure (theoretical value ~130–135°C) to judge whether high-boiling impurities or solvent residues are present. |
| Sulfur Content | Oxygen Bomb Combustion - Ion Chromatography / X-ray Fluorescence (XRF) | Converts sulfur in the sample to sulfate after oxygen bomb combustion, and determines sulfur content using ion chromatography, or uses XRF for rapid screening. Verifies whether sulfur content matches the theoretical value (~33.5%). |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Applicable for detecting volatile organic solvents such as ethanol, acetone, and ether that may remain from production, in accordance with ICH Q3C guidelines. |
Technical Specifications of Methyl thiobutyrate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow clear liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.475–1.485 |
| Relative Density (20°C/25°C) | 1.015–1.035 g/cm³ |
| Odor | Characteristic sulfurous 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 Methyl thiobutyrate
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NMR Spectra of Methyl thiobutyrate
Packaging of Methyl thiobutyrate
Industrial Methyl thiobutyrate 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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