Chromium(III) nicotinate

Chromium(III) nicotinate is an ionic substance used for chromium supplementation in some nutritional products, where it is also referred to as chromium polynicotinate. It appears in products that are referred to as a medical food used for nutritional support for conditions associated with diabetes mellitus type 2. The product is also known as "niacin-bound chromium".^[1]

Chromium(III) nicotinate

Clinical data
Other names	Chromium trinicotinate
ATC code	none
Identifiers
IUPAC name Chromium(3+) tri(pyridine-3-carboxylate)
CAS Number	64452-96-6
PubChem CID	56843898
ChemSpider	8085563
UNII	A150AY412V
CompTox Dashboard (EPA)	DTXSID8040561
Chemical and physical data
Formula	C18H12CrN3O6
Molar mass	418.305 g·mol−1
3D model (JSmol)	Interactive image
SMILES [Cr+3].[O-]C(=O)c1cccnc1.[O-]C(=O)c1cccnc1.[O-]C(=O)c1cccnc1
InChI InChI=1S/3C6H5NO2.Cr/c3*8-6(9)5-2-1-3-7-4-5;/h3*1-4H,(H,8,9);/q;;;+3/p-3 Key:MSPQQAUTCRWLGR-UHFFFAOYSA-K

Chemistry

Chromium(III) nicotinate contains three nicotinic acid units per chromium ion; that is, it is the trinicotinate of chromium(III). The substance that is used in supplements and called "chromium polynicotinate" is said to be a mixture of the trinicotinate and the dinicotinate, with the former dominating.^[2]

See also

• Chromium(III) picolinate