China Factory Direct
|
|
| CAS number | 625-60-5 |
| Product name | Ethanethioic acid S-ethyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate for sulfur-containing drug molecules | Participates in nucleophilic substitution or condensation reactions to construct heterocyclic or side-chain structures |
| Pesticides | Precursor for synthesizing sulfur-containing pesticide active ingredients | Introduces the ethylthio group via alkylation or acylation reactions |
| Fine Fragrances | Synthetic raw material for meaty and fruity flavor compounds in food and household fragrances | Generates characteristic flavor compounds through transesterification or reductive desulfurization processes |
| Organic Synthesis | Thiol equivalent reagent for C–S bond formation | Acts as a thioacyl donor in Michael addition or radical thiolation reactions |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH standard solution | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein endpoint detection. |
| Color | Visual Comparison or Spectrophotometry (APHA/Pt-Co scale) | Assessment of yellowness by comparing sample color to platinum-cobalt standard solutions or measuring absorbance at 430 nm. |
| Density | Digital Density Meter (Oscillating U-tube principle) | Measurement of mass per unit volume at specified temperature (e.g., 20 °C) via resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index | Refractometry (Abbe refractometer) | Determination of ratio of light velocity in air vs. sample at specified wavelength (e.g., sodium D-line, 589 nm) and temperature. |
| Residue on Evaporation | Gravimetric Analysis (Weight Loss on Drying) | Evaporation of a known sample mass under controlled vacuum/temperature, followed by weighing of non-volatile residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after wet digestion | Quantification of total heavy metals after acid digestion, using flame or graphite furnace AAS with appropriate calibration standards. |
| Sulfur Content | Combustion IC (Ion Chromatography after Combustion) | Oxidative combustion of sample to convert organic sulfur to sulfate, followed by anion exchange IC detection. |
| Odor Impurities (e.g., Ethyl Thiol) | Gas Chromatography–Mass Spectrometry (GC-MS) | Identification and semi-quantitative assessment of volatile sulfur-containing impurities via retention time and characteristic mass fragments. |
| Boiling Range | Gas Chromatography (Simulated Distillation, SIMDIS) | Determination of initial boiling point, final boiling point, and % distilled at specified temperatures using high-resolution GC with temperature-programmed oven. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration with AgNO₃ | Quantification of chloride ions either via anion exchange separation and conductivity detection (IC), or argentometric titration with silver nitrate endpoint detection. |
| Non-Volatile Residue | Gravimetric Analysis (Hot Plate Evaporation) | Evaporation of a measured sample volume on a pre-weighed dish at 105 °C, followed by cooling and weighing of residual solids. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution of known concentration and path length, indicating chiral purity (if applicable). |
| 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) | 1.426–1.430 |
| Relative Density (20°C/25°C) | 1.045–1.055 g/cm³ |
| Odor | Characteristic thioester odor |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() ![]() |
| Signal Word | Danger |
| Safety Data Sheet | |
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.