4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9& Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3395-81-1 |
| Product name | 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9& |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9& Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Chemicals | Pharmaceutical Intermediate | Used in the synthesis of antihistamines and anti-allergy drugs, serving as a protected form of the benzaldehyde moiety for incorporation into target molecules. |
| Agrochemicals | Agrochemical Intermediate | Employed in the synthesis of chlorinated aromatic ring-containing insecticides or herbicides, participating in condensation or nucleophilic substitution reactions. |
| Organic Synthesis | Aldehyde Protecting Agent | Applied in multistep organic syntheses to protect acid-sensitive aldehyde groups via stable acetal formation, preventing unwanted oxidation or condensation; the aldehyde functionality is regenerated upon deprotection after completion of downstream reactions. |
| Dye Industry | Dye Intermediate | Utilized in the synthesis of specific azo dyes or disperse dyes, functioning as a source of chromophores or auxochromes. |
Manufacturing Quality Control of 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
| Detection Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity and Main Component Content | High-Performance Liquid Chromatography (HPLC) | Uses a reverse-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, detected by UV detector at 254 nm or 280 nm. Quantification is performed using external standard or internal standard method to assess sample purity, effectively separating unreacted starting materials (e.g., 4-chlorobenzaldehyde) and by-products. |
| Residual Solvents | Gas Chromatography (GC) | Employs capillary columns (e.g., DB-624 or HP-INNOWAX) with FID detection to determine organic solvents such as methanol and dichloromethane that may remain from production processes. Quantitative analysis follows ICH Q3C guidelines to ensure compliance with pharmaceutical or food-grade residue limits. |
| Moisture Content | Karl Fischer Titration | Utilizes a specific reaction between iodine-sulfur dioxide-pyridine-methanol system and water, measured via coulometric or volumetric methods for precise determination of trace moisture. Suitable for controlling quality fluctuations caused by hygroscopicity in acetal-type compounds. |
| Melting Point | Melting Point Determination by Digital Melting Point Apparatus | Measured using a digital melting point apparatus; the literature melting range is typically 45–48 °C. Used for preliminary identification and purity assessment—narrow melting range (≤2 °C) indicates high purity. |
| UV Absorption Characteristics | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Samples are dissolved in ethanol or methanol, scanned across 200–400 nm wavelength range, and characteristic absorption peaks (around 270–290 nm) recorded for structural confirmation and quantitative analysis (requires comparison with reference standard). |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (¹H NMR and ¹³C NMR) | Measured in CDCl₃; characteristic signals (e.g., singlet for acetal methyl at δ ≈ 3.3–3.5 ppm, multiplets for aromatic protons at δ ≈ 7.4–7.8 ppm) confirm molecular structure, helping exclude isomers or degradation products—considered an advanced quality control technique. |
| Thin Layer Chromatography (TLC) | Thin Layer Chromatography (TLC) | Uses silica gel plates developed with n-hexane-ethyl acetate (e.g., 9:1), visualized under UV light or iodine vapor. Used for rapid screening of impurities, monitoring reaction progress, or as a supplementary method to HPLC. |
| Chlorine Content | Combustion Ion Chromatography / X-Ray Fluorescence Spectroscopy (XRF) | After combustion, chlorine is converted into chloride ions and quantified by ion chromatography; alternatively, XRF provides non-destructive elemental chlorine analysis. Used to verify chlorine content matches theoretical value (theoretical Cl content ≈ 34.5%). |
| Appearance and Physical Properties | Visual Inspection + Density/Refractive Index Measurement | Observe color (should be colorless to slightly yellow liquid or low-melting solid), clarity; measure refractive index (nD²⁰ ≈ 1.540–1.550) and density (≈1.18–1.20 g/cm³) as auxiliary identification parameters. |
Technical Specifications of 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline solid |
| Purity | >=98.5% (by NMR) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 62–66°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
Safety Information of 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 9&
Industrial 4-CHLOROBENZALDEHYDE DIMETHYL ACETAL 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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