Molekula
Vitamin K1
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
Vitamin K1 (phylloquinone) is a fat-soluble vitamin essential for blood coagulation and bone metabolism. It is widely used in dietary supplements, pharmaceuticals, and animal feed to prevent deficiencies and support cardiovascular health. This high-purity chemical has a CAS number of 84-80-0, a molecular formula of C31H46O2, and a molecular weight of 450.70. It requires storage between 2 to 8°C and carries no hazard classification. Molekula supplies Vitamin K1 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 g — £62.10 per pack ex VAT · £74.52 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 | A clear, intense liquid yellow, viscous, oily , practically insoluble in water，sparingly soluble in alcohol，miscible with fatty oils. |
| Refractive Index | 1.523 to 1.526 |
| Identification | Conforms to reference |
| Assay | 97.0 - 103.0% |
| Z isomer content | ≤ 21.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellow viscous oil |
| Odour | Odorless |
| Melting Point | -20 °C |
| Boiling Point | 142.5 °C at 1.00E-03 mm Hg |
| Water Solubility | Insoluble in water |
| Refractive Index | 1.5263 |
Source: PubChem CID 5284607 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 49804572 |
| CAS Number | 84-80-0 |
| IUPAC Name | 2-methyl-3-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enyl]naphthalene-1,4-dione |
| EC Number | 201-564-2 |
| Molecular Formula | C31H46O2 |
| Molecular Weight | 450.70 |
| Exact Mass | 450.3498 |
| SMILES | CC1=C(C(=O)C2=CC=CC=C2C1=O)C/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C |
| InChIKey | MBWXNTAXLNYFJB-NKFFZRIASA-N |
| InChI | InChI=1S/C31H46O2/c1-22(2)12-9-13-23(3)14-10-15-24(4)16-11-17-25(5)20-21-27-26(6)30(32)28-18-7-8-19-29(28)31(27)33/h7-8,18-20,22-24H,9-17,21H2,1-6H3/b25-20+/t23-,24-/m1/s1 |
| PubChem CID | 5284607 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29362950 |
| Tariff Code | 2936290000 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 3-Phytylmenadione
- Kinadion
- Mephyton
- Monodion
- Phyllochinon
- Phylloquinone
- Phytomenadione
- phytonadione
- Phytylmenadione
- Synthex P
Frequently asked questions
What is Vitamin K1 used for?
Vitamin K1 (Phylloquinone) is primarily used as a dietary supplement to support blood clotting, bone health, and cardiovascular function. It is also utilized in pharmaceutical formulations and fortified foods.
What is the chemical formula and molecular weight of Vitamin K1?
The chemical formula is **C₃₁H₄₆O₂**, and the molecular weight is **450.70 g/mol**.
How should Vitamin K1 be stored?
Store Vitamin K1 at **2–8°C** in a cool, dry place, protected from light and moisture to maintain stability.
What grades or purity levels of Vitamin K1 does Molekula supply?
Molekula supplies **pharmaceutical-grade (USP/EP/BP compliant) and food-grade Vitamin K1** to meet regulatory and application-specific requirements.
Can Molekula supply Vitamin K1 in bulk quantities?
Yes, Molekula can provide **bulk quantities of Vitamin K1** (from kilograms to metric tons) depending on customer needs and inventory availability.
What documentation comes with an order of Vitamin K1?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** to ensure compliance and traceability.
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.