General
Systematic name	N-*-L(+)-glutamic acid.
Other names	pteroyl-L-glutamic acid, Vitamin B9, Vitamin M, Folacin
Molecular formula	C19H19N7O6
SMILES	C1=CC(=CC=C1C(=O)NC (CCC(=O)O)C(=O)O) NCC2=CN=C3C(=N2) C(=O)N=C(N3)N
Molar mass	441.40 g/mol
Appearance	yellow-orange crystalline powder
CAS number	*
Properties
Density and phase	? g/cm3, solid
Solubility in water	8.5 g/100 ml (20 °C)
In ethanol, ether, acetone	insoluble
Melting point	250 °C (523 K), decomp.
Acidity (pKa)	1st: 2.3, 2nd: 8.3
Chiral rotation *D	+23° 0.5% in 0.1 M NaOH
Hazards
Main hazards	non-toxic, non-flammable
R/S statement	R: - S: 24/25
RTECS number	LP5425000
UV-Vis
Lambda-max (pH 13)	259 nm 368 nm
Extinction coefficient (pH 13)	32340 (259 nm) 7410 (368 nm)
Related compounds
Salts	sodium folate
Except where noted otherwise, data are given for materials in their standard state (at 25°C, 100 kPa) Chemical infobox

Folic acid and folate (the anion form) are forms of a water-soluble B vitamin. These occur naturally in food and can also be taken as supplements. Folate gets its name from the Latin word folium, leaf.

Folate in foods

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Leaf vegetables such as spinach and turnip greens, dried beans and peas, fortified cereal products, and some other fruits and vegetables are rich sources of folate. Some breakfast cereals (ready-to-eat and others) are fortified with 25 percent or 100 percent of the recommended dietary allowance (RDA) for folic acid. A table of selected food sources of folate and folic acid can be found here.

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