1,3-Dithiane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 505-23-7 |
| Product name | 1,3-Dithiane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty 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 1,3-Dithiane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-Dithiane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-Dithiane
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Used as a protecting group for carbonyl compounds such as acetaldehyde | Reacted with aldehydes under acidic conditions to form acetals, protecting the carbonyl group during multistep synthesis; deprotection achieved using Hg(II) or Ag(I) salts |
| Pharmaceutical Intermediates | Used in the synthesis of sulfur-containing heterocyclic drugs and chiral drug precursors | Participates in alkylation and nucleophilic addition reactions to construct C–C bonds, e.g., in synthesizing intermediates for antifungal agents or protease inhibitors |
| Pesticide Development | Serves as a structural building block in sulfur-containing pesticide molecules | Introduces specific substituents via lithiation–electrophilic substitution reactions for synthesizing novel insecticides or fungicides |
| Materials Science | Used as a sulfur source precursor for conductive polymers or organic semiconductors | Supplies sulfur atoms during oxidative polymerization to modulate the electronic structure of the conjugated system |
Manufacturing Quality Control of 1,3-Dithiane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 1,3-dithiane content by separation and flame ionization detection relative to an internal or external standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration using iodine-based reagent in pyridine/methanol solvent system. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Determines acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Evaluates yellowness by comparing sample color to APHA platinum-cobalt standard solutions at 455 nm. |
| Density at 20 C | Digital Density Meter | Determines mass per unit volume using oscillating U-tube principle calibrated with water and air. |
| Refractive Index at 20 C | Refractometry | Measures bending of light through liquid sample using Abbe refractometer or digital equivalent. |
| Sulfur Content | Combustion IC | Quantifies total sulfur by high-temperature combustion followed by infrared detection of SO2. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Detects trace heavy metals after acid digestion and chelation, using hollow cathode lamp absorption. |
| Non-Volatile Residue | Evaporation and Gravimetry | Determines residue after evaporation of specified sample volume under controlled conditions and drying to constant weight. |
| Odor | Sensory Evaluation | Assesses characteristic odor intensity and off-odor presence by trained personnel against reference standards. |
| Distillation Range | Simple Distillation with Thermometer | Measures initial and final boiling points under atmospheric pressure using standardized distillation apparatus. |
Technical Specifications of 1,3-Dithiane
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 46–49°C |
| Refractive Index (n20/D) | 1.535–1.545 |
| 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 1,3-Dithiane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-Dithiane
Packaging of 1,3-Dithiane
Industrial 1,3-Dithiane 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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