Vitamin K1

Also known as: Phytonadione, Phylloquinone, Phytomenadione, 2-Methyl-3-phytyl-1,4-naphthoquinone, 2-Methyl-3-[(2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecen-1-yl]-1,4-naphthalenedione, Phytylmenadione, Konakion, Mephyton, AquaMEPHYTON

Vitamin K1 (CAS 84-80-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C31H46O2 and a molecular weight of 450.696 g/mol. Key properties include a melting point of −20 °C(lit.), a boiling point of 546.4±50.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 200.4±27.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84-80-0
Jingsj CID: J-35890-7
Molecular Formula: C₃₁H₄₆O₂
Molecular Weight: 450.696 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	−20 °C(lit.)
Boiling Point	546.4±50.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	200.4±27.1 °C
Exact Mass	450.349792
PSA	34.14000
LogP	12.25
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.511

Activity & Biological Data

Additional Information	[1]. Basset GJ, et al. Phylloquinone (Vitamin K1): Occurrence, Biosynthesis and Functions. Mini Rev Med Chem. 2016 Jun 22. [2]. Orlando A, et al. Vitamin K1 exerts antiproliferative effects and induces apoptosis in three differently graded human colon cancer cell lines. Biomed Res Int. 2015;2015:296721. [3]. Ibarrola-Jurado N, et al. Dietary phylloquinone intake and risk of type 2 diabetes in elderly subjects at high risk of cardiovascular disease. Am J Clin Nutr. 2012 Nov;96(5):1113-8. [4]. Kim M, et al. Vitamin K1 (phylloquinone) and K2 (menaquinone-4) supplementation improves bone formation in a high-fat diet-induced obese mice. J Clin Biochem Nutr. 2013 Sep;53(2):108-13. [5]. Hemmati AA, et al. Topical vitamin K1 promotes repair of full thickness wound in rat. Indian J Pharmacol. 2014 Jul-Aug;46(4):409-12.

Additional Information

[1]. Basset GJ, et al. Phylloquinone (Vitamin K1): Occurrence, Biosynthesis and Functions. Mini Rev Med Chem. 2016 Jun 22. [2]. Orlando A, et al. Vitamin K1 exerts antiproliferative effects and induces apoptosis in three differently graded human colon cancer cell lines. Biomed Res Int. 2015;2015:296721. [3]. Ibarrola-Jurado N, et al. Dietary phylloquinone intake and risk of type 2 diabetes in elderly subjects at high risk of cardiovascular disease. Am J Clin Nutr. 2012 Nov;96(5):1113-8. [4]. Kim M, et al. Vitamin K1 (phylloquinone) and K2 (menaquinone-4) supplementation improves bone formation in a high-fat diet-induced obese mice. J Clin Biochem Nutr. 2013 Sep;53(2):108-13. [5]. Hemmati AA, et al. Topical vitamin K1 promotes repair of full thickness wound in rat. Indian J Pharmacol. 2014 Jul-Aug;46(4):409-12.

Customs & Trade Information

HS Code	2936290090

Frequently Asked Questions

What is the CAS number of Vitamin K1?

The CAS number of Vitamin K1 is 84-80-0.

What are the molecular formula and molecular weight of Vitamin K1?

Vitamin K1 has molecular formula C31H46O2 and molecular weight 450.696 g/mol.

What are the upstream and downstream products of Vitamin K1?

For Vitamin K1, Upstream Products: Trimethylaluminium, Menadione, Phytol; Downstream Products: Phytone, [R-[R*,R*-(E)]]-2-methyl-3-(3,7,11,15-tetramethylhexadec-2-enyl)naphthalene-1,4-diol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Vitamin K1 (CAS 84-80-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35890-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.