Molekula
L-Ascorbic acid 6-palmitate
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
L-Ascorbic acid 6-palmitate is a fat-soluble derivative of vitamin C used in cosmetics and dietary supplements for its antioxidant properties. It is also used as a food preservative and antioxidant synergist in fats, oils and margarine, and as an antioxidant in pharmaceutical formulations. It is stable in lipid environments and enhances skin penetration of vitamin C. Available in powder form with a molecular weight of 414.53 g/mol, CAS number 137-66-6, and molecular formula C22H38O7. Store at ambient temperatures. Signal word: Warning. Molekula supplies L-Ascorbic acid 6-palmitate 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.
-
100 g — £37.00 per pack ex VAT · £44.40 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 off-white powder |
| Specific rotation | +21.0° – +24.0° |
| Heavy metals | ≤10 ppm |
| Identification | IR or specific rotation or chemical method |
| Loss on Drying | ≤1.0% |
| Assay | 98.0–100.5% |
| Sulphated Ash | ≤0.1% |
| Appearance of Solution | Clear and ≤BY4 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White or yellowish white powder |
| Odour | Citrus-like |
| Melting Point | 112 °C |
| Solubility (other solvents) | Soluble in alcohol, animal oil, and vegetable oil; slightly soluble in water |
Source: PubChem CID 54680660 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 43238027 |
| CAS Number | 137-66-6 |
| IUPAC Name | [(2S)-2-[(2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl]-2-hydroxyethyl] hexadecanoate |
| EC Number | 205-305-4 |
| Molecular Formula | C22H38O7 |
| Molecular Weight | 414.53 |
| Exact Mass | 414.2618 |
| SMILES | CCCCCCCCCCCCCCCC(=O)OC[C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O |
| InChIKey | QAQJMLQRFWZOBN-LAUBAEHRSA-N |
| InChI | InChI=1S/C22H38O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18(24)28-16-17(23)21-19(25)20(26)22(27)29-21/h17,21,23,25-26H,2-16H2,1H3/t17-,21+/m0/s1 |
| PubChem CID | 54680660 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2936270000 |
| Tariff Code | 2936270000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- 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.
Synonyms
- 6-O-Palmitoyl ascorbate
- Ascorbic palmitate
- Ascorbyl monopalmitate
- ASCORBYL PALMITATE
- Ascorbylpalmitic acid
- Cetyl ascorbate
- Ins no.304
- L-Ascorbic acid, 6-hexadecanoate
- L-Ascorbyl 6-palmitate
- L-Ascorbyl palmitate
Frequently asked questions
What is L-Ascorbic acid 6-palmitate used for?
It is used as an antioxidant in cosmetics and pharmaceuticals, particularly in formulations requiring lipid-soluble vitamin C.
What is the chemical formula and molecular weight of L-Ascorbic acid 6-palmitate?
The formula is C22H38O7 with a molecular weight of 414.53 g/mol.
How should L-Ascorbic acid 6-palmitate be stored?
Store at ambient temperature, protected from moisture and light.
What grade is available for L-Ascorbic acid 6-palmitate?
Available in technical grade; purity and specifications can be provided upon request.
Can Molekula supply L-Ascorbic acid 6-palmitate in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of L-Ascorbic acid 6-palmitate?
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.