1. Product Overview
2,4-Dichlorobenzaldehyde is a critical chlorinated aromatic aldehyde widely utilized as a high-performance intermediate in the agrochemical, pharmaceutical, and dye industries.
SNOWHITE CHEMICAL CO., LTD provides premium-grade supply with stable performance to support both large-scale industrial production and advanced R&D applications.
2. Technical Specifications
|
Chemical Name |
2,4-Dichlorobenzaldehyde |
|
CAS No. |
874-42-0 |
|
Molecular Formula |
C7H4Cl2O |
|
Appearance |
White or off-white prismatic crystals |
|
Melting Point |
69-73℃ |
|
Boiling Point |
233℃ (at atmospheric pressure) |
|
UN Number |
3261 (Class 8, PG II/III) |
|
HS Code |
29130000 |
Important Note: This product is significantly different from its isomer 2,6-dichlorobenzaldehyde in physical properties (such as boiling point) and main industrial applications, and shall be carefully distinguished during selection.
3. Product Grades and Specifications

As an important fine chemical intermediate, 2,4-dichlorobenzaldehyde is available in multiple product grades on the market. Such classification is mainly based on purity, impurity control standards and intended application fields. The current mainstream product grades include the following categories:
Tech Grade
Used for large-scale production such as agrochemicals and dyes, focusing on cost efficiency and stable supply.
Pharmaceutical Grade
pharma grade 2,4-Dichlorobenzaldehyde with strict impurity control, suitable for pharmaceutical intermediate synthesis.
4. Key Application Fields
l Agrochemical Synthesis: A vital intermediate for high-efficiency fungicides such as Penconazole and various crop protection chemicals.
- Pharmaceutical Synthesis: Highly suitable for the construction of heterocyclic compounds and active pharmaceutical intermediates.
- Dye Manufacturing: Acts as a raw material for dye intermediates, ensuring superior color stability and batch-to-batch performance.
5. Advanced Synthesis & Quality Control
We primarily utilize the photochlorination-hydrolysis route using 2,4-dichlorotoluene as a raw material. This mature process ensures:
High Purity: Achieved through specialized photocatalytic chlorination and rigorous purification.
Consistent Yield: Optimized total yield to guarantee stable supply for large-scale production.
6.Quality
|
Analysis |
Units |
Standard |
|
Assay (GC) |
% |
≥99 |
|
Appearance |
- |
White to light yellow crystalline powder |
|
Melting point |
℃ |
70 - 74 |
|
Moisture |
% |
≤0.2 |
|
Ash content |
% |
≤0.1 |
|
Acidity (as 2,4-dichlorobenzoic acid) |
% |
≤0.1 |
|
Conclusion |
Qualified |
|
7. Packaging and Storage
Packaging:25kg/drum or customized packaging
Storage: Store in a cool, dry, well-ventilated place below 30℃;
Shelf Life: 12 months
8. Safety Information
Causes irritation to skin and eyes.
Use protective equipment during handling.
Avoid release to the environment.
9.Why Partner with SNOWHITE CHEMICAL?
l Reliable Supply: Standard orders are arranged for shipment within 24 hours.Quality Documents: Every shipment includes a complete COA and SDS.
l Technical Consultation: Professional support for product selection and process optimization based on deep industry experience.
l Customized Solutions: Flexible packaging (25kg/drum or customized) and specifications to meet your unique process requirements.
Contact Us
Contact SNOWHITE CHEMICAL CO.,LTD now to get COA, free samples and the latest quotation.
Email: shirley@snowhitechem.com
Phone: +86-25-56215758
WhatsApp:+86-13776524331

