Molekula
4-Chlorosalicylaldehyde
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
4-Chlorosalicylaldehyde is an aromatic aldehyde featuring a chlorine substituent and hydroxyl group on a benzene ring, widely used in organic synthesis, pharmaceutical intermediates, and the preparation of Schiff bases, metal-chelating ligands and coumarins. It serves as a key building block for dyes, agrochemicals, and fine chemicals due to its reactive functional groups. CAS 2420-26-0, molecular formula ClC6H3(OH)CHO, molecular weight 156.57 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies 4-Chlorosalicylaldehyde 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 | Yellow powder |
| Assay (GC) | ≥99% |
| NMR | Conform to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90036424 |
| CAS Number | 2420-26-0 |
| IUPAC Name | 4-chloro-2-hydroxybenzaldehyde |
| Molecular Formula | ClC6H3(OH)CHO |
| Molecular Weight | 156.57 |
| Exact Mass | 155.9978 |
| SMILES | C1=CC(=C(C=C1Cl)O)C=O |
| InChIKey | QNZWAJZEJAOVPN-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H5ClO2/c8-6-2-1-5(4-9)7(10)3-6/h1-4,10H |
| PubChem CID | 520101 |
| REACH Code | Y113 |
| HTS Code | 29089990 |
| Tariff Code | 2908990000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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, 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-hydroxy-4-chlorobenzaldehyde
- 4-Chloro-2-hydroxybenzaldehyde
- Benzaldehyde, 4-chloro-2-hydroxy-
Frequently asked questions
What is 4-Chlorosalicylaldehyde commonly used for?
It is primarily used as an intermediate in organic synthesis, including the production of pharmaceuticals, agrochemicals, and dyes.
What is the molecular formula and molecular weight of 4-Chlorosalicylaldehyde?
The molecular formula is ClC₆H₃(OH)CHO, and the molecular weight is 156.57 g/mol.
How should 4-Chlorosalicylaldehyde be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances.
What grades or purities of 4-Chlorosalicylaldehyde does Molekula supply?
Molekula supplies reagent-grade 4-Chlorosalicylaldehyde with a purity of ≥98%.
Can Molekula supply 4-Chlorosalicylaldehyde in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for pricing and lead times.
What documentation comes with an order of 4-Chlorosalicylaldehyde?
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.