Vitamin K

维生素K

Also known as: Vitamin K1, Phylloquinone, Phytonadione, 2-methyl-3-phytyl-1,4-naphthoquinone, AquaMEPHYTON, Konakion

Vitamin K (CAS 12001-79-5) 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 450.69600 g/mol. It is also known as Vitamin K1, Phylloquinone and Phytonadione. Key properties include a melting point of 112-114ºC, a boiling point of 546.4ºC at 760mmHg, a density of 0.963g/cm3 and a flash point of 200.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 12001-79-5
Jingsj CID: J-1679-3
Molecular Formula: C₃₁H₄₆O₂
Chinese Name: 维生素K
Molecular Weight: 450.69600 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	112-114ºC
Boiling Point	546.4ºC at 760mmHg
Density	0.963g/cm3
Flash Point	200.4ºC
Exact Mass	450.35000
PSA	34.14000
LogP	9.15760
Appearance	viscous liquid
Vapor Pressure	5.37E-12mmHg at 25°C
Refractive Index	n20/D 1.527(lit.)
Storage Conditions	2-8°C

Activity & Biological Data

Additional Information	[1]. Manna P, et al. Beneficial role of vitamin K supplementation on insulin sensitivity, glucose metabolism, and the reduced risk of type 2 diabetes: A review. Nutrition. 2016 Jul-Aug;32(7-8):732-9. [2]. DiNicolantonio JJ, et al. The health benefits of vitamin K. Open Heart. 2015 Oct 6;2(1):e000300. [3]. Ferland G, et al. Vitamin K, an emerging nutrient in brain function. Biofactors. 2012 Mar-Apr;38(2):151-7. [4]. Bügel S, et al. Vitamin K and bone health. Proc Nutr Soc. 2003 Nov;62(4):839-43.

Additional Information

[1]. Manna P, et al. Beneficial role of vitamin K supplementation on insulin sensitivity, glucose metabolism, and the reduced risk of type 2 diabetes: A review. Nutrition. 2016 Jul-Aug;32(7-8):732-9. [2]. DiNicolantonio JJ, et al. The health benefits of vitamin K. Open Heart. 2015 Oct 6;2(1):e000300. [3]. Ferland G, et al. Vitamin K, an emerging nutrient in brain function. Biofactors. 2012 Mar-Apr;38(2):151-7. [4]. Bügel S, et al. Vitamin K and bone health. Proc Nutr Soc. 2003 Nov;62(4):839-43.

Frequently Asked Questions

What is the CAS number of Vitamin K?

The CAS number of Vitamin K is 12001-79-5.

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

Vitamin K has molecular formula C31H46O2 and molecular weight 450.69600 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Vitamin K (CAS 12001-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1679-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.