Molekula
All-trans-Retinol (Vitamin A Alcohol)
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
All-trans-Retinol (Vitamin A Alcohol) is a fat-soluble vitamin essential for vision, immune function, and skin health. It is widely used in pharmaceuticals, cosmetics, and nutritional supplements. Available with CAS number 68-26-8, molecular formula C20H30O, and molecular weight 286.45 g/mol. Store at -15 to -20 °C. Signal word: Danger. Molekula supplies All-trans-Retinol (Vitamin A Alcohol) 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
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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100 mg — £62.10 per pack ex VAT · £74.52 inc. VAT
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1 g — £374.10 per pack ex VAT · £448.92 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 | Clear colourless viscous liquid |
| Purity (HPLC) | 95% min |
| Loss on Drying | 8% max |
| Assay | 325000IU/g min |
| Residue on Ignition | <5ppm |
| Lead (Pb) | <10ppm |
| Arsenic (As) | <1ppm |
| Particle diameter | 40 to 100 |
| Dispersion in water | Cold water diffusion type |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 63.5 °C |
| Boiling Point | 137-138 °C at 1 × 10⁻⁶ mmHg |
| Solubility (other solvents) | Practically insoluble in water or glycerol; soluble in absolute alcohol, methanol, chloroform, ether, fats and oils |
| Vapour Pressure | 7.5 × 10⁻⁸ mmHg at 25 °C (Estimated) |
| Refractive Index | 1.6410 |
| log P (octanol/water) | 5.68 |
Source: PubChem CID 445354 (DrugBank, HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 25998401 |
| CAS Number | 68-26-8 |
| IUPAC Name | (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol |
| EC Number | 200-683-7 |
| Molecular Formula | C20H30O |
| Molecular Weight | 286.45 |
| Exact Mass | 286.2297 |
| SMILES | CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/CO)/C)/C |
| InChIKey | FPIPGXGPPPQFEQ-OVSJKPMPSA-N |
| InChI | InChI=1S/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+ |
| PubChem CID | 445354 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29362100 |
| Tariff Code | 2936210000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H360 May damage fertility or the unborn child
- H413 May cause long lasting harmful effects to aquatic life
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- 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
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.
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
- Agoncal
- all-trans-Retinol
- all-trans-Vitamin A
- Bentavit A
- Homagenets Aoral
- retinol
- Sehkraft A
- Testavol S
- trans-retinol
- Veroftal
Frequently asked questions
What is All-trans-Retinol used for?
All-trans-Retinol is used in cosmetic formulations, nutritional supplements, and research applications involving vitamin A metabolism and cellular differentiation.
What is the chemical formula and molecular weight of All-trans-Retinol?
The formula is C20H30O with a molecular weight of 286.45 g/mol.
How should All-trans-Retinol be stored?
It should be stored at temperatures between -15 and -20 °C, protected from light and moisture.
What grade of All-trans-Retinol does Molekula supply?
Molekula supplies All-trans-Retinol in research-grade purity, suitable for laboratory and non-pharmaceutical applications.
Can Molekula supply All-trans-Retinol in bulk quantities?
Yes, Molekula can supply All-trans-Retinol in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of All-trans-Retinol?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.