18138-03-9 Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 18138-03-9 |
| Product name | 18138-03-9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 18138-03-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 18138-03-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 18138-03-9
| Industry | Application | Process |
|---|---|---|
| Food Industry | Flavor additive for food | Used to formulate roasted, nutty, and coffee-like flavors in thermally processed foods; added as a flavor enhancer to seasonings or fragrance formulations |
| Personal Care Industry | Fragrance ingredient for perfumes and cosmetics | Used as a fragrance raw material to formulate roasted-odor scent profiles; applied in perfumes, skincare products, and other personal care items |
| Chemical Synthesis | Intermediate for organic synthesis | Acts as a nitrogen-containing heterocyclic compound in the synthesis of pyrazine derivatives; employed in the development of pharmaceutical or agrochemical intermediates |
Manufacturing Quality Control of 18138-03-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantifies 2-propylpyrazine peak area relative to internal/external standard using flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue after high-temperature ashing and weighing. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Quantifies metals (e.g., Pb, Cd, Hg) by measuring absorption of element-specific light wavelengths in atomized sample. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions based on anion exchange retention and conductivity detection. |
| Acid Value | Acid-Base Titration | Measures free acidic impurities by titration with standardized NaOH solution using phenolphthalein indicator. |
| Color | Visual Comparison or Spectrophotometry (APHA/Pt-Co Scale) | Evaluates yellowness/browning by comparing sample color to platinum-cobalt standard solutions or measuring absorbance at 430 nm. |
| Refractive Index | Refractometry | Determines refractive index at specified temperature using Abbe refractometer based on Snell's law of light refraction. |
| Specific Gravity | Pycnometry | Measures density relative to water using calibrated pycnometer and precise mass determination. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detects low-boiling contaminants by analyzing vapor phase above sample after thermal equilibration. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and quantifies structurally related impurities using retention time and mass spectral fragmentation patterns. |
| pH (10% aqueous solution) | Potentiometric pH Measurement | Measures hydrogen ion activity using calibrated glass electrode and pH meter in aqueous dilution. |
Technical Specifications of 18138-03-9
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.512–1.516 |
| Relative Density (20°C/25°C) | 0.945–0.955 g/cm³ |
| Odor | Characteristic pyrazine odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of 18138-03-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 18138-03-9
Packaging of 18138-03-9
Industrial 18138-03-9 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply