Molekula
Benzoic 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
Benzoic acid is a white crystalline powder used as a preservative in food, pharmaceuticals, and cosmetics due to its antimicrobial properties. It is also employed in the synthesis of other chemicals. Available in 1 kg, 5 kg, and 25 kg packaging, it has a CAS number of 65-85-0, molecular formula C6H5COOH, and molecular weight of 122.12 g/mol. Store at ambient temperature. Molekula supplies benzoic 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.
Often bought together
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 — £49.40 per pack ex VAT · £59.28 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 powder |
| Heavy metals | ≤0.001% |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.5% |
| Chloride (Cl-) | ≤0.02% |
| Assay | ≥99.7% |
| Appearance of Solution | Colourless liquid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Monoclinic leaflets or needles |
| Odour | Odorless or with a slight benzaldehyde odor |
| Melting Point | 122.4 °C |
| Boiling Point | 249.2 °C |
| Density | 1.2659 g/cm³ at 15 °C |
| Water Solubility | 3.5 g/L at 25 °C |
| Solubility (other solvents) | Insoluble in cold water; moderately soluble in hot water; soluble in oils and glycerol |
| Vapour Pressure | 0.1 Pa at 25 °C |
| Refractive Index | 1.504 |
| pKa | pKa = 4.19 (at 25 °C) |
| log P (octanol/water) | 1.87 |
Source: PubChem CID 243 (HSDB, DrugBank, Joint FAO/WHO Expert Committee on Food Additives (JECFA), ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 20572472 |
| CAS Number | 65-85-0 |
| IUPAC Name | benzoic acid |
| EC Number | 200-618-2 |
| Molecular Formula | C6H5COOH |
| Molecular Weight | 122.12 |
| Exact Mass | 122.0368 |
| SMILES | C1=CC=C(C=C1)C(=O)O |
| InChIKey | WPYMKLBDIGXBTP-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9) |
| PubChem CID | 243 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2916.31.1105 |
| Tariff Code | 2916310099 |
Safety & GHS
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Corrosive
GHS05
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe 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
- P314 Get medical advice/attention if you feel unwell
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
- benzenecarboxylic acid
- Benzeneformic acid
- Benzenemethanoic acid
- Carboxybenzene
- Dracylic acid
- Phenylcarboxylic acid
- phenylformic acid
- Retarder BA
- Retardex
- Tenn-Plas
Frequently asked questions
What is benzoic acid used for?
Benzoic acid is commonly used as a preservative in food, pharmaceuticals, and cosmetics due to its antimicrobial properties.
What is the chemical formula and molecular weight of benzoic acid?
The chemical formula is C6H5COOH and the molecular weight is 122.12 g/mol.
How should benzoic acid be stored?
Benzoic acid should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of benzoic acid does Molekula supply?
Molekula supplies benzoic acid in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply benzoic acid in bulk?
Yes, Molekula can supply benzoic acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a benzoic acid order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.