Molecular Formula: C₅H₁₂O₅
Molar mass: 152.15 g/mol
EINECS: 207-685-7
Density: 1.525 g/cm³
Flash Point: 261.9 °C
Index of Refraction: 1.57
Boiling Point: 494.5 °C at 760 mmHg
Vapour Pressure: 7.47E-12 mmHg at 25°C
Melting point: 102-105 °C
Storage temp: Store at RT.
Sensitive: Hygroscopic
Appearance: White powder
Product categories: Sugars, Carbohydrates & Glucosides;Biochemistry;Sugar Alcohols
Structure of Ribitol (488-81-3):
          
XLogP3-AA: -2.5
H-Bond Donor: 5
H-Bond Acceptor: 5
Systematic Name: Pentane-1,2,3,4,5-pentol 
SMILES: OC(CO)C(O)C(O)CO 
InChI: InChI=1/C5H12O5/c6-1-3(8)5(10)4(9)2-7/h3-10H,1-2H2 
InChIKey: HEBKCHPVOIAQTA-UHFFFAOYAB 
Std. InChI: InChI=1S/C5H12O5/c6-1-3(8)5(10)4(9)2-7/h3-10H,1-2H2 
Std. InChIKey: HEBKCHPVOIAQTA-UHFFFAOYSA-N

 Ribitol (488-81-3) is formed by the reduction of Ribose . It occurs naturally in the plant Adonis vernalis, as well as in the cell walls of Gram positive bacteria.

Carcinogenicity of Ribitol (488-81-3) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65.You can see actual entry in RTECS for complete information.

Reported in EPA TSCA Inventory.

Mildly toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating fumes.
 

Hazard Codes: Xi
Risk Statements:
36:  Irritating to the eyes
37:  Irritating to the respiratory system
38:  Irritating to the skin
Safety Statements:
24:  Avoid contact with skin
25:  Avoid contact with eyes
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing

 Ribitol (488-81-3) is a crystalline pentose alcohol, and also can be called adonitol  ; pentitol ; Pentane-1,2,3,4,5-pentaol ; 1,2,3,4,5-Pentanepentol ; 1,2,3,4,5-Pentahydroxypentane .It is hazardous,so the first aid measures and others should be known.Such as: When on the skin: should  flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing.Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Then you have the ingesting of the product : Do not induce vomiting.If victim is conscious and alert, give 2-4 cupfuls of milk or water.
In addition, Ribitol (488-81-3) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, and you must not take it with strong oxidants and incompatible materials.And also prevent it to broken down into hazardous decomposition products: irritating and toxic fumes and gases, carbon dioxide, carbon monoxide.