4-Chlorobenzhydrol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119-56-2 |
| Product name | 4-Chlorobenzhydrol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 4-Chlorobenzhydrol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Chlorobenzhydrol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Chlorobenzhydrol
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for the synthesis of the insecticide dicofol | Condensed with chloral under acidic conditions, followed by hydrolysis and oxidation to produce dicofol |
| Pharmaceuticals | Intermediate for the synthesis of the antihistamine diphenhydramine | Reduced and aminated to form diphenylmethanol derivatives, which are further processed into diphenhydramine |
| Dyes | Intermediate for azo dyes and fluorescent whitening agents | Participates in diazotization-coupling reactions as an aromatic ring substituent to construct chromophore systems |
| Organic Synthesis | Chiral resolving agent and precursor for asymmetric catalytic ligands | Esterified, amidated, or reacted with chiral amines/acids to generate chiral derivatives for asymmetric synthesis |
Manufacturing Quality Control of 4-Chlorobenzhydrol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with a certified reference standard using reversed-phase chromatography and UV detection at ~254 nm. |
| Related Substances | HPLC-UV or HPLC-MS | Separation and semi-quantitative/quantitative detection of impurities (e.g., 4-chlorobenzophenone, 4-chlorobenzoic acid, residual solvents) using gradient elution and UV or mass-selective detection. |
| Residual Solvents (e.g., methanol, toluene, THF) | GC-FID or GC-MS | Headspace gas chromatographic separation followed by flame ionization or mass spectrometric detection, calibrated against standard solvent mixtures. |
| Heavy Metals (as Pb) | ICP-OES or AAS | Digestion of sample followed by quantification of metals (Pb, Cd, Hg, Cr, As) via atomic emission or absorption spectroscopy at element-specific wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO₃ | Titration with standardized silver nitrate solution using a silver indicator electrode; endpoint detected by abrupt potential change due to AgCl precipitation. |
| Moisture Content | Karl Fischer Coulometric Titration | Electrochemical generation of iodine in anhydrous medium; water content determined from coulombs required to maintain stoichiometric iodine generation. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as the temperature range over which solid-to-liquid phase change occurs, compared to reference standard (literature MP: 67–69 °C). |
| Appearance & Color | Visual Inspection / APHA Color Scale | Subjective assessment of crystalline homogeneity and color intensity against platinum-cobalt standards; acceptable limit typically ≤20 APHA. |
| Acid Value | Acid-Base Titration (NaOH in ethanol) | Neutralization of acidic impurities (e.g., carboxylic acids) with standardized sodium hydroxide solution using phenolphthalein indicator; expressed as mg KOH/g. |
| Loss on Drying (LOD) | Gravimetric Analysis (105 °C, 2 h) | Mass loss measured after drying under controlled temperature and time, indicating volatile content including residual solvents and moisture. |
| Specific Optical Rotation | [α]D | Measurement of rotation angle of plane-polarized light at 589 nm using a digital polarimeter; confirms chiral purity (though 4-chlorodiphenylmethanol is achiral, used to detect chiral contaminants). |
Technical Specifications of 4-Chlorobenzhydrol
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 72-76°C |
| Water Content (KF) | <=0.5% |
| 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 4-Chlorobenzhydrol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Chlorobenzhydrol
Packaging of 4-Chlorobenzhydrol
Industrial 4-Chlorobenzhydrol 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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