102783-03-9 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 102783-03-9 |
| Product name | 102783-03-9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial 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 102783-03-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 102783-03-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 102783-03-9
| Industry | Application | Process |
|---|---|---|
| Personal Care & Cosmetics | Thickener, emulsifier | Used in blending and emulsification |
| Coatings | Flow leveling agent, anti-blocking agent | Used in blending and agitation |
| Textiles | Antistatic agent, softening agent | Used in blending and treatment |
Manufacturing Quality Control of 102783-03-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Viscosity | Capillary Viscometry | Measures flow time of sample through calibrated capillary tube under gravity to calculate kinematic viscosity. |
| Refractive Index | Refractometry | Determines refractive index by measuring angle of light refraction at air-sample interface using Abbe refractometer. |
| Acid Value | Acid-Base Titration | Quantifies acidic impurities by titrating with standardized KOH solution using phenolphthalein indicator. |
| Hydroxyl Value | Acetic Anhydride Acetylation | Measures hydroxyl groups via acetylation with acetic anhydride, followed by back-titration of unreacted anhydride. |
| Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Separates polymer chains by hydrodynamic volume in solution and compares elution times to polystyrene standards. |
| Silicon Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomizes and excites sample in plasma; quantifies silicon by measuring characteristic emission intensity at 251.61 nm. |
| Sulfur Content | Combustion Ion Chromatography (CIC) | Oxidizes sample to sulfate ions, then separates and quantifies sulfate via ion chromatography with conductivity detection. |
| Moisture Content | Karl Fischer Coulometric Titration | Electrochemically generates iodine to react with water; quantifies moisture based on charge required for complete reaction. |
| Appearance | Visual Inspection | Assesses clarity, color, and presence of particulates or phase separation against standard reference under controlled lighting. |
| Flash Point | Pensky-Martens Closed Cup Tester | Determines lowest temperature at which vapor above sample ignites momentarily when exposed to flame under standardized conditions. |
| Density | Digital Density Meter | Measures oscillation period of U-tube filled with sample to calculate density based on frequency change. |
| Volatile Content | Thermogravimetric Analysis (TGA) | Measures mass loss upon controlled heating to quantify volatile components up to specified temperature (e.g., 150 C). |
Technical Specifications of 102783-03-9
| 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) | 1.400–1.420 |
| Relative Density (20°C/25°C) | 0.95–0.98 g/cm³ |
| Odor | Characteristic mild 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 102783-03-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 102783-03-9
Industrial 102783-03-9 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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