1883-78-9 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1883-78-9 |
| Product name | 1883-78-9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial 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 1883-78-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1883-78-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1883-78-9
| Industry | Application | Process |
|---|---|---|
| Fine Fragrances & Flavors | Used as a synthetic fragrance intermediate to impart specific aromas (e.g., nutty, roasted notes) to food or household products | Participates in fragrance molecule construction via condensation or alkylation reactions |
| Pharmaceuticals | Serves as an organic synthesis intermediate for drug molecule construction | Integrated into multi-step synthesis routes to introduce sulfur-containing heterocycles or side-chain structures |
| Pesticides | Used as a pesticide synthesis intermediate | Acts as a thioether structural unit in heterocyclic compound synthesis |
| Organic Synthesis | General-purpose organic synthesis building block | Applied in C–S bond formation, nucleophilic substitution, or transition metal-catalyzed coupling reactions |
Manufacturing Quality Control of 1883-78-9
| 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 in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Sample is ignited at 700–800 °C to volatilize organic matter; inorganic residue is weighed after cooling in a desiccator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after acid digestion | Sample digested with nitric/hydrochloric acid mixture; lead concentration determined by absorption of characteristic wavelength light (283.3 nm). |
| Acid Value | Acid-Base Titration (NaOH, phenolphthalein indicator) | Neutralization of acidic impurities (e.g., residual carboxylic acids or sulfonic species) with standardized sodium hydroxide solution. |
| Refractive Index | Refractometry (at 20 °C) | Measurement of light bending angle at air–sample interface using calibrated Abbe refractometer; correlates with molecular purity and composition. |
| Specific Gravity | Pycnometry or Digital Density Meter | Determination of mass-to-volume ratio relative to water at specified temperature (typically 20/20 °C), indicating compositional consistency. |
| Sulfur Content | Oxidative Combustion followed by Ion Chromatography (IC) or UV-Fluorescence Detection | Complete combustion converts organic sulfur to SO₂/SO₃; quantified via ion chromatographic separation of sulfate or UV-fluorescence of SO₂. |
| Volatile Impurities (e.g., residual solvents, aldehydes) | Headspace Gas Chromatography–Mass Spectrometry (HS-GC-MS) | Thermally equilibrated vapor phase analyzed by GC-MS for identification and semi-quantitation of low-boiling contaminants. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement (455 nm) | Evaluation of yellowish tint intensity against platinum-cobalt standard solutions or absorbance at 455 nm in 1 cm cell. |
| Odor Threshold & Character | Gas Chromatography–Olfactometry (GC-O) or Sensory Panel Assessment | Identification and sensory evaluation of odor-active compounds eluting from GC column by trained panelists; confirms absence of off-odor degradation products. |
| Chiral Purity (if applicable) | Chiral Gas Chromatography (cGC) with chiral stationary phase | Enantioselective separation and quantification of R/S isomers using cyclodextrin-based capillary columns and FID detection. |
| Non-Volatile Residue (NVR) | Evaporative Gravimetry | Sample evaporated to dryness under controlled nitrogen flow at 105 °C; residue weighed to assess high-boiling impurities or polymeric by-products. |
Technical Specifications of 1883-78-9
| 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) | 1.525–1.535 |
| Relative Density (20°C/25°C) | 0.995–1.015 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 1883-78-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1883-78-9
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Industrial 1883-78-9 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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