Molekula
5-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
5-Chlorosalicylaldehyde is an aromatic aldehyde featuring a chlorine substituent and hydroxyl group on a benzaldehyde core, widely used as an intermediate in organic synthesis, pharmaceuticals, and agrochemical production. It serves as a key building block for dyes, fragrances, and heterocyclic compounds. This chemical has a CAS number of 635-93-8, molecular formula ClC6H3(OH)CHO, and a molecular weight of 156.57 g/mol. It is stable at ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word for moderate hazard. Molekula supplies 5-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.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 13405697 |
| CAS Number | 635-93-8 |
| IUPAC Name | 5-chloro-2-hydroxybenzaldehyde |
| Molecular Formula | ClC6H3(OH)CHO |
| Molecular Weight | 156.57 |
| Exact Mass | 155.9978 |
| SMILES | C1=CC(=C(C=C1Cl)C=O)O |
| InChIKey | FUGKCSRLAQKUHG-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H5ClO2/c8-6-1-2-7(10)5(3-6)4-9/h1-4,10H |
| PubChem CID | 12481 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2913.00.4000 |
| Tariff Code | 2913000090 |
Safety & GHS
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H400 Very toxic to aquatic life
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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-Hydroxy-5-chlorobenzaldehyde
- 3-chloro-6-hydroxybenzaldehyde
- 4-Chloro-2-formylphenol
- 5-Chloro-2-hydroxybenzaldehyde
- 5-Chlorosalicyaldehyde
- benzaldehyde, 3-chloro-6-hydroxy-
- Benzaldehyde, 5-chloro-2-hydroxy-
- SALICYLALDEHYDE, 5-CHLORO-
- US8614253, .3-59
Frequently asked questions
What is 5-Chlorosalicylaldehyde commonly used for?
It is primarily used as an intermediate in organic synthesis, including the production of pharmaceuticals, agrochemicals, and dyes, as well as a reagent in analytical chemistry.
What is the chemical formula and molecular weight of 5-Chlorosalicylaldehyde?
The formula is **ClC₆H₃(OH)CHO**, and the molecular weight is **156.57 g/mol**.
How should 5-Chlorosalicylaldehyde be stored?
Store it at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grades or purities of 5-Chlorosalicylaldehyde does Molekula offer?
Molekula supplies **analytical and synthesis-grade** 5-Chlorosalicylaldehyde, with purity typically ≥98%.
Can Molekula supply 5-Chlorosalicylaldehyde in bulk quantities?
Yes, bulk quantities are available upon request—contact us for pricing and lead times.
What documentation comes with an order of 5-Chlorosalicylaldehyde?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.