o-Phthalaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 643-79-8 |
| Product name | o-Phthalaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 o-Phthalaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk o-Phthalaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of o-Phthalaldehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Antimicrobial agent | Used in the synthesis of antimicrobial drugs |
| Medical devices | Surface disinfection | Applied for sterilization of medical device surfaces |
| Water treatment | Biocide | Applied to inhibit microbial growth in water treatment systems |
| Textiles | Mold inhibitor | Applied for mold inhibition in textile materials |
| Plastics | Mold inhibitor | Applied for mold inhibition in plastic products |
| Leather | Mold inhibitor | Applied for mold inhibition in leather goods |
| Paper & pulp | Mold inhibitor | Applied for mold inhibition in paper and pulp |
Manufacturing Quality Control of o-Phthalaldehyde
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and ultraviolet detection (typically at 230–254 nm wavelength) to determine the content of orthophthalaldehyde. This method offers high sensitivity and excellent reproducibility. |
| Purity Analysis | Gas Chromatography (GC) | Suitable for volatile orthophthalaldehyde samples. Separation is achieved using a capillary column with FID detection for quantification, allowing simultaneous detection of organic impurities. Thermal stability should be carefully considered to avoid decomposition at high temperatures. |
| Impurity Testing | Thin-Layer Chromatography (TLC) | Uses silica gel G plates with an appropriate mixture of petroleum ether-ethyl acetate as the developing solvent. After development and visualization, impurities (such as phthalic acid or unreacted starting materials) are identified by comparison with reference standards, enabling rapid screening. |
| pH Value | pH Meter Method | Orthophthalaldehyde is dissolved in water or a buffer solution at a specified concentration, and pH is measured using a calibrated pH meter to assess product stability and potential acidic degradation products. |
| Moisture Content | Karl Fischer Titration (Karl Fischer) | Uses either the volumetric or coulometric Karl Fischer titration method to accurately determine trace moisture levels. This is crucial for controlling storage stability and reactivity of orthophthalaldehyde. |
| Appearance and Color | Visual Color Comparison Method | Sample appearance is visually inspected under standard lighting conditions (typically colorless to pale yellow liquid). Color is compared with a standard color chart to detect discoloration due to oxidation or impurities. |
| Volatile Residuals | Headspace Gas Chromatography (HS-GC) | Used to detect residual solvents (e.g., toluene, dichloromethane). The sample is placed in a sealed headspace vial, heated to equilibrium, and the gaseous phase is injected for analysis. Results comply with pharmacopeial or industrial specifications for residual solvent limits. |
Technical Specifications of o-Phthalaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Light yellow to green crystalline powder |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 52.0–56.0°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 ppm |
| 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 o-Phthalaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of o-Phthalaldehyde
Packaging of o-Phthalaldehyde
Industrial o-Phthalaldehyde 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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