1,2-Benzenedimethanol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 612-14-6 |
| Product name | 1,2-Benzenedimethanol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 1,2-Benzenedimethanol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,2-Benzenedimethanol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,2-Benzenedimethanol
| Industry | Application | Process |
|---|---|---|
| Fragrance Industry | Used as a fixative and fragrance ingredient to impart floral and woody notes | Directly incorporated into fragrance formulations or blended with other aroma compounds |
| Organic Synthesis | Used as an intermediate for synthesizing phthalaldehyde, phthalic acid derivatives, and heterocyclic compounds | Oxidized to produce phthalaldehyde; condensed with amines to form Schiff bases; involved in cyclization reactions to synthesize benzimidazoles and other heterocycles |
| Pharmaceutical Industry | Used to synthesize antitumor agents (e.g., certain benzothiazine derivatives) and precursors to antimicrobial agents | Serves as a starting material for multi-step functional group transformations—including halogenation, nitration, reduction, and coupling—to construct bioactive molecular scaffolds |
| Polymer Materials | Used as a curing agent for epoxy resins and a crosslinker for polyurethanes | Undergoes ring-opening addition with epoxy groups; or reacts with isocyanate groups to form urethane-based crosslinked networks |
| Agrochemical Industry | Used as a synthetic intermediate for fungicides and plant growth regulators | Participates in acylation, sulfonylation, or reactions with heterocyclic reagents to construct biologically active benzene-fused agrochemical molecules |
Manufacturing Quality Control of 1,2-Benzenedimethanol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantifies邻苯二甲醇 content by retention time and peak area against a calibrated standard. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between iodine, sulfur dioxide, and water in anhydrous methanol. |
| Acidity (as Phthalic Acid) | Acid-Base Titration with NaOH | Determines acidic impurities by titration with standardized sodium hydroxide using phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry at 455 nm | Evaluates yellowness by comparing sample color to APHA platinum-cobalt standards or measuring absorbance at 455 nm. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization and absorption measurement at characteristic wavelengths. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Specific Gravity | Digital Density Meter | Determines density relative to water at 20/20 degC using oscillating U-tube principle. |
| Refractive Index | Refractometry | Measures bending of light through sample at 20 degC to infer purity and composition. |
| Boiling Point Range | Distillation (ASTM D1078) | Determines temperature interval over which 90% of sample distills under controlled vacuum conditions. |
| Non-Volatile Residue | Evaporation and Gravimetry | Quantifies residue after evaporation of a fixed sample mass under specified temperature and time. |
| Aldehyde Impurities | HPLC with UV Detection | Separates and detects aldehyde impurities using reverse-phase column and UV absorbance at 210 nm. |
Technical Specifications of 1,2-Benzenedimethanol
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 48–52°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 1,2-Benzenedimethanol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,2-Benzenedimethanol
Packaging of 1,2-Benzenedimethanol
Industrial 1,2-Benzenedimethanol 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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