Crotonaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 123-73-9 |
| Product name | Crotonaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeCosmetic GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Crotonaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Crotonaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Crotonaldehyde
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Synthesis of sorbic acid and its salts (food preservatives) | Sorbic acid is produced via aldol condensation of crotonaldehyde with a ketone, followed by oxidation |
| Pharmaceuticals | Synthesis of pharmaceutical intermediates, including vitamin B6 and vitamin E | Critical intermediates are prepared through reduction, condensation, and related reaction steps |
| Pesticides | Synthesis of intermediates for insecticides and herbicides | Acts as a C4 building block in constructing heterocyclic or aliphatic structures |
| Fragrances | Synthesis of fragrance compounds (e.g., ionones) | Aromatic compounds are generated via aldol condensation, cyclization, and related reactions |
| Resins & Polymers | Production of specialty resins and comonomers | Used in copolymerization with other monomers (e.g., acrylates) to modify material properties |
| Dyes | Synthesis of certain organic dye intermediates | Participates in coupling or condensation reactions to form chromophore structures |
Manufacturing Quality Control of Crotonaldehyde
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | Gas Chromatography (GC) | Uses capillary column gas chromatography with a flame ionization detector (FID) to quantify crotonaldehyde content via external or internal standard methods. Offers high resolution and sensitivity, suitable for purity analysis. |
| Purity and Impurity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines the separation capability of gas chromatography with the qualitative power of mass spectrometry to accurately identify organic impurities in crotonaldehyde (e.g., acetaldehyde, acrolein), enabling comprehensive quality assessment. |
| Moisture Content | Karl Fischer Titration | Bases on the reaction of iodine and sulfur dioxide with water in an anhydrous environment to precisely measure trace moisture in samples, ensuring the storage stability of crotonaldehyde. |
| Acidity | Acid-Base Titration | Dissolves crotonaldehyde in a suitable solvent (e.g., water or ethanol) and titrates with standardized sodium hydroxide solution to determine free acid content (expressed as acetic acid), indicating whether oxidative degradation has occurred. |
| Color | Visual Color Comparison or Spectrophotometry | Evaluates sample color intensity under specified conditions by comparison with standard platinum-cobalt color solutions, or measures absorbance at 430 nm wavelength to assess product purity. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | After heating and equilibrating the sample, analyzes the headspace vapor to detect potential residual organic solvents (e.g., methanol, dichloromethane), ensuring compliance with pharmacopoeial or industrial standards. |
Technical Specifications of Crotonaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.426–1.430 |
| Relative Density (20°C/25°C) | 0.817–0.823 g/cm³ |
| Color (APHA/Pt-Co) | <=10 |
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 Crotonaldehyde
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NMR Spectra of Crotonaldehyde
Packaging of Crotonaldehyde
Industrial Crotonaldehyde 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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