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Guanine Structure

Guanine

  • Product NameGuanine
  • CAS73-40-5
  • CBNumberCB3259805
  • MFC5H5N5O
    Lewis structure
  • MW151.13
  • EINECS200-799-8
  • MDL NumberMFCD00071533
  • MOL File73-40-5.mol
  • MSDS FileSDS

Chemical Properties

Melting point >300 °C (lit.)
Boiling point 273.11°C (rough estimate)
Density  1.4456 (rough estimate)
refractive index  2.0000 (estimate)
storage temp.  2-8°C
solubility  1 M NaOH: 0.1 M at 20 °C, clear, colorless
form  Powder
pka 9.92(at 40℃)
color  White to cream
Odor Odorless
Water Solubility  practically insoluble
Decomposition  360°C
Merck  14,4564
BRN  9680
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey UYTPUPDQBNUYGX-UHFFFAOYSA-N
LogP -0.910
FDA 21 CFR 73.1329; 73.2329
CAS DataBase Reference 73-40-5(CAS DataBase Reference)
EWG's Food Scores 1
NCI Dictionary of Cancer Terms guanine
FDA UNII 5Z93L87A1R
NIST Chemistry Reference 6H-Purin-6-one, 2-amino-1,7-dihydro-(73-40-5)
EPA Substance Registry System Guanine (73-40-5)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
RTECS  MF8260000
Hazard Note  Irritant
TSCA  Yes
HS Code  29335990
Hazardous Substances Data 73-40-5(Hazardous Substances Data)
NFPA 704:
1
1 0

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