Molekula
Sorbic 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
Sorbic acid is a unsaturated fatty acid used as a preservative in food, cosmetics, and pharmaceuticals due to its antimicrobial properties. It is available in powder form, stable at ambient temperatures, and classified with a warning signal word. CAS: 110-44-1, molecular formula: C6H8O2, molecular weight: 112.1265 g/mol. Molekula supplies sorbic 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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250 g — £43.80 per pack ex VAT · £52.56 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 nearly white powder |
| Melting Point | 133 - 137℃ |
| Assay (GC Silyl Deriv) | ≥ 99% |
| Assay (aqueous acid-base titration) | ≥ 99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 127 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Needles form dilute alcohol |
| Odour | Relatively odorless |
| Melting Point | 134.5 °C |
| Boiling Point | 228 °C with decomposition. |
| Density | 1.204 g/cm³ at 19 °C |
| Water Solubility | 1.91 g/L at 30 °C |
| Solubility (other solvents) | Slightly soluble in water, soluble in ethanol |
| Vapour Pressure | 3.08 × 10⁻⁴ mmHg at 25 °C |
| pKa | pKa = 4.5 |
| log P (octanol/water) | 1.33 |
Source: PubChem CID 643460 (HSDB, ICSC, EU Food Improvement Agents, ChEMBL)
Identification
| Property | Value |
|---|---|
| SKU | 21095074 |
| CAS Number | 110-44-1 |
| IUPAC Name | (2E,4E)-hexa-2,4-dienoic acid |
| EC Number | 203-768-7 |
| Molecular Formula | CH3CH=CHCH=CHCOOH |
| Molecular Weight | 112.1265 |
| Exact Mass | 112.0524 |
| SMILES | C/C=C/C=C/C(=O)O |
| InChIKey | WSWCOQWTEOXDQX-MQQKCMAXSA-N |
| InChI | InChI=1S/C6H8O2/c1-2-3-4-5-6(7)8/h2-5H,1H3,(H,7,8)/b3-2+,5-4+ |
| PubChem CID | 643460 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29161920 |
| Tariff Code | 2916199540 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye 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
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
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
- (2E,4E)-2,4-Hexadienoic acid
- (2E,4E)-hexa-2,4-dienoic acid
- (E,E)-2,4-Hexadienoic acid
- 2-Propenylacrylic acid
- 2,4-Hexadienoic acid, (2E,4E)-
- 2E,4E-Hexadienoic acid
- Hexadienoic acid
- Panosorb
- Sorbistat
- trans,trans-Sorbic acid
Frequently asked questions
What is sorbic acid used for?
Sorbic acid is primarily used as a food preservative to inhibit mold, yeast, and fungus growth in products like cheese, baked goods, and beverages.
What is the chemical formula and molecular weight of sorbic acid?
The formula is CH3CH=CHCH=CHCOOH and the molecular weight is 112.1265 g/mol.
How should sorbic acid be stored?
Sorbic acid should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of sorbic acid does Molekula supply?
Molekula supplies food-grade sorbic acid, suitable for use in food and pharmaceutical applications.
Can Molekula supply sorbic acid in bulk?
Yes, Molekula can supply sorbic acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a sorbic acid order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
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.