China Factory Direct
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| CAS number | 1552-96-1 |
| Product name | 4-(Dimethylamino)cinnamic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeCosmetic GradeFood 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) |
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 of drug intermediates for anticancer and anti-inflammatory compounds | Used as an organic synthesis intermediate in condensation, esterification, and other reactions to construct drug molecular frameworks |
| Cosmetics | UV absorber in sun care products to protect skin from UV damage | Absorbs UV radiation via its conjugated structure; commonly formulated with other ingredients to enhance photostability |
| Organic Synthesis | Photosensitizer or fluorescent probe precursor for materials science and research applications | Functions as a chromophore in molecular design; converted into functional materials via amidation or coupling reactions |
| Dye Industry | Intermediate for azo dye or functional pigment synthesis | Undergoes diazotization or condensation reactions via its amino and carboxyl functional groups to generate dye molecules |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 310-330 nm, comparing peak area against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observation against white background under controlled lighting; acceptable as off-white to light yellow crystalline powder. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, based on thermal behavior observed in capillary tube. |
| Loss on Drying | Gravimetric (105 C, 2 h) | Measurement of mass loss after drying under specified temperature and time, indicating volatile impurities or residual solvents. |
| Residue on Ignition | Sulfated Ash Gravimetry | Quantification of inorganic residue remaining after high-temperature incineration and sulfuric acid treatment. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) following acid digestion and plasma emission spectroscopy. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities (e.g., unreacted aldehyde, amine, or decarboxylation products) via retention time and spectral matching. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric determination of water based on stoichiometric reaction with iodine in pyridine-methanol medium. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode to assess acidic/basic impurities. |
| Solvent Residues | GC-FID | Detection and quantification of residual solvents (e.g., ethanol, toluene, DMF) using gas chromatography with flame ionization detection. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light in solution to confirm chiral purity and absence of racemization (though compound is achiral, used for consistency). |
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 178–182°C |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | 220–240 mg KOH/g |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.