Molekula
3-Chlorosalicylic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3-Chlorosalicylic acid is an aromatic organic compound featuring a chlorine substituent and hydroxyl group on a benzoic acid backbone, primarily used as a reagent in organic synthesis, pharmaceutical intermediates, and analytical chemistry. Its structure enables selective derivatization and coupling reactions. This solid compound has a CAS number of 1829-32-9, a molecular formula of ClC6H3(OH)CO2H, and a molecular weight of 172.57 g/mol. It is stable at ambient storage conditions but requires handling with caution, as indicated by its "Warning" signal word.
Molekula supplies 3-Chlorosalicylic acid at ≥98% purity (HPLC) in 1 g packs, from £37.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 7 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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
| Property | Value |
|---|---|
| Appearance | Beige/Off-white to white powder |
| Melting Point | 184 - 186°C |
| Identification | Conforms to reference |
| Assay (HPLC) | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90026432 |
| CAS Number | 1829-32-9 |
| IUPAC Name | 3-chloro-2-hydroxybenzoic acid |
| EC Number | 217-379-5 |
| Molecular Formula | ClC6H3(OH)CO2H |
| Molecular Weight | 172.57 |
| Exact Mass | 171.9927 |
| SMILES | C1=CC(=C(C(=C1)Cl)O)C(=O)O |
| InChIKey | PPINMMULCRBDOS-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H5ClO3/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3,9H,(H,10,11) |
| PubChem CID | 74585 |
| REACH Code | Y113 |
| HTS Code | 29182965 |
| Tariff Code | 2918290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-hydroxy-3-chloro-benzoic acid
- 3-chloro-2-hydroxy-benzoate
- 3-Chloro-2-hydroxybenzoic acid
- 3-chlorohydroxybenzoic acid
- Benzoic acid, 3-chloro-2-hydroxy-
- Benzoic acid, chloro-2-hydroxy-
- PPINMMULCRBDOS-UHFFFAOYSA-N
- Salicylic acid, 3-chloro-
Frequently asked questions
What is 3-Chlorosalicylic acid commonly used for?
3-Chlorosalicylic acid is primarily used in organic synthesis, as a halogenated salicylic acid building block for pharmaceutical intermediates, and in analytical and indicator work.
What is the molecular formula and molecular weight of 3-Chlorosalicylic acid?
The molecular formula is ClC₆H₃(OH)CO₂H, and the molecular weight is 172.57 g/mol.
What safety classification does 3-Chlorosalicylic acid have?
The product is classified with a Signal Word: Warning, indicating moderate hazard under standard handling conditions.
How should 3-Chlorosalicylic acid be stored?
Store at ambient temperature in a dry, well-ventilated area, away from incompatible substances.
Does Molekula offer 3-Chlorosalicylic acid in bulk quantities?
Yes, Molekula supplies 3-Chlorosalicylic acid in bulk, with minimum order quantities and custom packaging available—please contact us for details.
What documentation is provided with an order of 3-Chlorosalicylic acid?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Where can I buy 3-Chlorosalicylic acid?
Directly from Molekula, which lists 3-Chlorosalicylic acid in 1 g packs from £37.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.