Xylitol

Xylitol
	; Xylitol crystals
Names
Pronunciation	/ˈzaɪlɪtɒl/
	IUPAC name meso-Xylitol
	Systematic IUPAC name (2R,3R,4S)-Pentane-1,2,3,4,5-pentol
	Other names (2R,3R,4S)-Pentane-1,2,3,4,5-pentaol (not recommended); (2R,3R,4S)-1,2,3,4,5-Pentahydroxypentane; Xylite
Identifiers
CAS Number	87-99-0 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL96783 ;
ChemSpider	6646;
ECHA InfoCard	100.001.626
E number	E967 (glazing agents, ...)
KEGG	C00379;
PubChem CID	6912;
UNII	VCQ006KQ1E ;
CompTox Dashboard (EPA)	DTXSID7042514 ;
	InChI InChI=1S/C5H12O5/c6-1-3(8)5(10)4(9)2-7/h3-10H,1-2H2/t3-,4+,5+ Key: HEBKCHPVOIAQTA-SCDXWVJYSA-N ;
	SMILES OC[C@@H](O)[C@H](O)[C@@H](O)CO;
Properties
Chemical formula	C5H12O5
Molar mass	152.146 g·mol−1
Density	1.52 g/cm3
Melting point	92 to 96 °C (198 to 205 °F; 365 to 369 K)
Boiling point	345.39 °C (653.70 °F; 618.54 K) Predicted value using Adapted Stein & Brown method
Solubility in water	~100 g/L
Hazards
NFPA 704 (fire diamond)	1 1 0
Related compounds
Related alkanes	Pentane
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Xylitol is a chemical compound with the formula C
₅H
₁₂O
₅, or HO(CH₂)(CHOH)₃(CH₂)OH; specifically, one particular stereoisomer with that structural formula. It is a colorless or white crystalline solid that is freely soluble in water. It can be classified as a polyalcohol and a sugar alcohol, specifically an alditol. The name derives from Ancient Greek: ξύλον, xyl[on] 'wood', with the suffix -itol used to denote sugar alcohols.

Xylitol is used as a food additive and sugar substitute. Its European Union code number is E967. Replacing sugar with xylitol in food products may promote better dental health, but evidence is lacking on whether xylitol itself prevents dental cavities.

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