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Guanosine Structure

Guanosine

Chemical Properties

Melting point 250 °C (dec.) (lit.)
alpha  -62 º (c=3, in 0.1 N NaOH)
Boiling point 425.8°C (rough estimate)
Density  1.3790 (rough estimate)
refractive index  -76 ° (C=1, 1mol/L NaOH)
storage temp.  room temp
solubility  0.1 M NaOH: 0.1 g/mL, clear, slightly yellow
pka pK1:1.9(+1);pK2:9.25(0);pK3:12.33(OH) (25°C)
form  Powder
color  White to light yellow
Odor Odorless
PH 2.14;9.03
optical activity [α]20/D -73±2°, c = 1.5% in 1 M NaOH
Water Solubility  0.75 g/L (25 ºC)
λmax 256 (pH 0.7);253,276 (pH 7);256~266 (pH 11.3)
Merck  14,4566
BRN  625911
InChIKey NYHBQMYGNKIUIF-UUOKFMHZSA-N
LogP -2.331 (est)
CAS DataBase Reference 118-00-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 12133JR80S
NIST Chemistry Reference guanosine(118-00-3)
EPA Substance Registry System Guanosine (118-00-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H301
Precautionary statements P301+P310
Hazard Codes  T,Xi
Risk Statements  25
Safety Statements  45-24/25-23
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  MF8750000
10-23
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup 
HS Code  29349990
NFPA 704:
0
3 0

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