Crotonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 107-93-7 |
| Product name | Crotonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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) |
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Documents We Provide for Crotonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Crotonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Crotonic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Synthesis of crotonate esters (e.g., methyl crotonate, ethyl crotonate) | Esterification |
| Pharmaceuticals | Intermediate for synthesizing vitamin B6, antibiotics, and other pharmaceuticals | Organic synthesis |
| Pesticides | Preparation of certain herbicides and plant growth regulators | Condensation or addition reactions |
| Fragrances | Synthesis of fruit-scented fragrance ingredients | Esterification or condensation reactions |
| Polymers | Copolymer monomer for producing specialty resins and coatings | Free-radical polymerization or copolymerization |
| Dyes | Dye intermediate | Electrophilic substitution or condensation reactions |
Manufacturing Quality Control of Crotonic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column and a UV detector (typically at 205–220 nm), with water-methanol or phosphate buffer as the mobile phase, for quantitative analysis of crotonic acid. This method offers high sensitivity and accuracy. |
| Purity Test | Gas Chromatography (GC) | Suitable for volatile samples; separates components using a capillary column and detects impurity peaks via a flame ionization detector (FID) to evaluate the purity of crotonic acid. Sample derivatization may be required to enhance detection performance. |
| Structural Confirmation | Infrared Spectroscopy (IR) | Identifies functional groups based on characteristic IR absorption peaks: carboxyl group (—COOH) shows a broad peak at 2500–3300 cm⁻¹, C=O around 1710 cm⁻¹, and C=C between 1630–1680 cm⁻¹, confirming the structure of crotonic acid. |
| Moisture Content | Karl Fischer Titration | Determines trace water content precisely based on the reaction of iodine and sulfur dioxide with water in an anhydrous environment. Suitable for quality control of crotonic acid raw materials. |
| Acid Value | Acid-Base Titration | Titrates a known quantity of sample with standard sodium hydroxide solution, using phenolphthalein as indicator or potentiometric endpoint detection, to calculate acid value (mg KOH/g), reflecting carboxylic acid content. |
| Impurity Limit Test | High-Performance Liquid Chromatography (HPLC) | Built upon the assay method, identifies and quantifies potential organic impurities (e.g., acetic acid, isomers of butenoic acid) by retention time, ensuring compliance with pharmacopoeial or enterprise specification limits. |
| Melting Point | Melting Point Apparatus | Determines the melting point of crotonic acid (literature value approximately 72–74°C), used as a preliminary assessment of purity and crystalline form consistency. |
| Color Test | Visual Color Comparison or Spectrophotometry | Compares the solution of the sample against standard color solutions visually, or measures absorbance at a specific wavelength (e.g., 420 nm) to evaluate color intensity, indicating oxidation or presence of impurities. |
Technical Specifications of Crotonic acid
| Test Item | Specification |
|---|---|
| Appearance | White flakes |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 70.0-73.0°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | 460-480 mg KOH/g |
| Color (APHA/Pt-Co) | <=50 |
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 Crotonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Crotonic acid
Packaging of Crotonic acid
Industrial Crotonic acid 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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