Molekula
2,4-Dichlorobenzaldehyde
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,4-Dichlorobenzaldehyde is an aromatic aldehyde with two chlorine substituents, primarily used as a precursor in organic synthesis, fragrance formulations, and as an intermediate for agrochemicals. It appears as a white to off-white crystalline solid with a pungent odor. CAS 874-42-0, molecular formula C7H4Cl2O, molecular weight 175.01 g/mol. Store at ambient temperature in a tightly sealed container. Signal word: Danger. Molekula supplies 2,4-Dichlorobenzaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to beige solid |
| Identification | Conforms to reference |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 135 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Boiling Point | 232.8 °C at 760 mmHg |
Source: PubChem CID 13404 (CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 90030259 |
| CAS Number | 874-42-0 |
| IUPAC Name | 2,4-dichlorobenzaldehyde |
| EC Number | 212-861-1 |
| Molecular Formula | C7H4Cl2O |
| Molecular Weight | 175.01 |
| Exact Mass | 173.9639 |
| SMILES | C1=CC(=C(C=C1Cl)Cl)C=O |
| InChIKey | YSFBEAASFUWWHU-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H4Cl2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H |
| PubChem CID | 13404 |
| UN Number | UN3261 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2913.00.4000 |
| Tariff Code | 2913000090 |
Safety & GHS
-
Corrosive
GHS05
-
Hazardous to the Environment
GHS09
Hazard statements
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (2,4-dichloro-phenyl)-methanone
- (2,4-dichlorophenyl)formaldehyde
- Benzaldehyde, 2,4-dichloro-
- DICHLOROBENZALDEHYDE, 2,4-
- O,P-DICHLOROBENZALDEHYDE
- YSFBEAASFUWWHU-UHFFFAOYSA-N
Frequently asked questions
What is 2,4-Dichlorobenzaldehyde commonly used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and fragrances, as well as certain dyes.
What is the chemical formula and molecular weight of 2,4-Dichlorobenzaldehyde?
The chemical formula is C7H4Cl2O, and the molecular weight is 175.01 g/mol.
How should 2,4-Dichlorobenzaldehyde be stored?
Store in a tightly sealed container at ambient temperature, away from moisture, heat, and incompatible substances.
What purity grades are available for 2,4-Dichlorobenzaldehyde?
Molekula supplies it in technical grade (95%+ purity) and analytical/pharmaceutical grade (98%+ purity). Confirm availability for your specific needs.
Can Molekula supply 2,4-Dichlorobenzaldehyde in bulk quantities?
Yes, bulk quantities are available upon request. Contact our sales team for pricing and lead times.
What documentation is provided with an order of 2,4-Dichlorobenzaldehyde?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.