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36791-04-5

Name Ribavirin
CAS 36791-04-5
EINECS(EC#) 1308068-626-2
Molecular Formula C8H12N4O5
MDL Number MFCD00058564
Molecular Weight 244.2
MOL File 36791-04-5.mol

Chemical Properties

Appearance Colourless Solid
Melting point  174-176°C
alpha  D25 -36.5° (c = 1 in water); D20 -38° (c = 1 in water)
Boiling point  387.12°C (rough estimate)
density  1.4287 (rough estimate)
refractive index  -36 ° (C=1, H2O)
storage temp.  2-8°C
solubility  Freely soluble in water, slightly soluble in ethanol (96 per cent), slightly soluble or very slightly soluble in methylene chloride. It shows polymorphism (5.9).
form  White solid
pka 12.95±0.70(Predicted)
color  White
Water Solubility  >=10 g/100 mL at 19 ºC
Merck  8198
BCS Class 3
Stability: Stable for 1 year from date of purchase as supplied. Solutions in DMSO or distilled water may be stored at -20°C for up to 3 months.
InChIKey IWUCXVSUMQZMFG-AFCXAGJDSA-N
LogP -2.260 (est)
CAS DataBase Reference 36791-04-5
EPA Substance Registry System 1H-1,2,4-Triazole- 3-carboxamide, 1-.beta.-D-ribofuranosyl-(36791-04-5)

Safety Data

Hazard Codes  T,Xi
Risk Statements 
Safety Statements 
WGK Germany  3
RTECS  XZ4250000
HS Code  29339900
Hazardous Substances Data 36791-04-5(Hazardous Substances Data)
Toxicity
LD50 i.p. in mice: 1.3 g/kg; orally in rats: 5.3 g/kg (Witkowski, 1972)

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