China Factory Direct
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| CAS number | 10602-04-7 |
| Product name | 4-ETHYNYLBENZYL ALCOHOL 97 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25KG/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) |
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 | Synthesis intermediate | Used as an organic synthesis intermediate in the preparation of antifungal agents or other active pharmaceutical ingredients |
| Fine fragrances | Fragrance raw material | Employed as a precursor for aromatic compounds in fragrance compounding or in the synthesis of ester derivatives with specific odor profiles |
| Organic synthesis | Chemical intermediate | Participates in oxidation, reduction, and substitution reactions to construct complex molecular frameworks |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a calibrated column and flame ionization detector. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system; endpoint detected amperometrically. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator or potentiometric endpoint detection. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Sample is heated to 700-800 C in a platinum crucible; residue weight after cooling reflects non-volatile inorganic impurities. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms at element-specific wavelengths. |
| Chloride Content | Ion Chromatography (IC) | Separation of chloride anions on an ion-exchange column followed by conductivity detection and quantification against calibration standards. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Comparison of sample color intensity in solution against APHA platinum-cobalt standard solutions or measurement of absorbance at 430 nm. |
| Refractive Index | Refractometry | Measurement of light refraction angle through liquid sample at 20 C using a calibrated Abbe refractometer; correlates with purity and composition. |
| Specific Gravity | Pycnometry | Determination of density relative to water at 20/20 C using a calibrated pycnometer, reflecting molecular weight and impurity profile. |
| Non-Volatile Residue | Evaporation and Gravimetry | Sample evaporated to dryness under controlled temperature and vacuum; residual mass measured gravimetrically after cooling in desiccator. |
| Aldehyde Impurities | Derivatization GC-FID or HPLC-UV | Aldehydes reacted with 2,4-dinitrophenylhydrazine (DNPH), separated and quantified via GC-FID or HPLC-UV detection. |
| Residual Solvents (e.g., Toluene, Ethanol) | Headspace Gas Chromatography (HS-GC) | Volatile solvents partitioned into headspace above sample, injected into GC for separation and FID detection against certified standards. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow-green solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 48–52°C |
| Identification (NMR) | Conforms to reference standard |
| Odor | Characteristic aromatic odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.