Molekula
Salicylic acid
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
Salicylic acid is a white crystalline organic compound used in pharmaceuticals, cosmetics, and chemical synthesis. Industrially, it serves as the starting material for aspirin, methyl salicylate and other salicylates, and as a coupling component for azo dyes and an intermediate in resin manufacture. It functions as a keratolytic agent and is a key ingredient in treatments for acne, psoriasis, and warts. Available in powder form with a CAS number of 69-72-7, molecular formula C7H6O3, and molecular weight 138.12 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Salicylic acid 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
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 kg — £56.00 per pack ex VAT · £67.20 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 | White to cream powder |
| Melting Point | ⩾156 ° C |
| Ash | ⩽ 0.3% |
| Heavy metals | ⩽ 20ppm |
| Assay | ⩾99% |
| Moisture | ⩽ 0.5% |
| Sulphates (SO4)(2-) | ⩽ 0.5% |
| Phenol | ⩽ 0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 157 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Needles in water; monoclinic prisms in alcohol |
| Odour | Synthetic acid is odorless |
| Melting Point | 158 °C |
| Boiling Point | 211 °C at 2.00E+01 mm Hg |
| Density | 1.4 (relative, water = 1) |
| Solubility (other solvents) | Soluble in oil of turpentine, alcohol, ether |
| Vapour Pressure | 0.02 Pa at 25 °C |
| Refractive Index | 1.565 |
| pKa | pKa = 2.97 |
| log P (octanol/water) | 2.26 |
Source: PubChem CID 338 (HSDB, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 17820272 |
| CAS Number | 69-72-7 |
| IUPAC Name | 2-hydroxybenzoic acid |
| EC Number | 200-712-3 |
| Molecular Formula | 2-(HO)C6H4CO2H |
| Molecular Weight | 138.12 |
| Exact Mass | 138.0317 |
| SMILES | C1=CC=C(C(=C1)C(=O)O)O |
| InChIKey | YGSDEFSMJLZEOE-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10) |
| PubChem CID | 338 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2918.21.50.00 |
| Tariff Code | 2918210000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H318 Causes serious eye damage
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary statements
- P270 Do not eat, drink or smoke when using this product
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
- P410 Protect from sunlight
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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-Carboxyphenol
- 2-Hydroxybenzoic acid
- Duoplant
- Freezone
- Keralyt
- o-Carboxyphenol
- o-hydroxybenzoic acid
- Retarder W
- Rutranex
- Salonil
Frequently asked questions
What is salicylic acid used for?
Salicylic acid is commonly used in pharmaceuticals for treating acne, warts, and other skin conditions due to its keratolytic properties.
What is the chemical formula and molecular weight of salicylic acid?
The formula is C7H6O3 and the molecular weight is 138.12 g/mol.
How should salicylic acid be stored?
It should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of salicylic acid does Molekula supply?
Molekula supplies salicylic acid in reagent grade.
Can Molekula supply salicylic acid in bulk?
Yes, Molekula can supply salicylic acid in bulk quantities upon request.
What documentation comes with a salicylic acid order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.