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2503-56-2

Name 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
CAS 2503-56-2
EINECS(EC#) 219-706-7
Molecular Formula C7H7N3O
MDL Number MFCD00005555
Molecular Weight 149.15
MOL File 2503-56-2.mol
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Chemical Properties

Appearance white fine crystalline powder
Melting point  280-283 °C(lit.)
Boiling point  271.66°C (rough estimate)
density  1.3471 (rough estimate)
vapor pressure  0-0Pa at 20-25℃
refractive index  1.6700 (estimate)
storage temp.  2-8°C
form  neat
pka 1.14±0.53(Predicted)
color  White to Almost white
Water Solubility  INSOLUBLE IN COLD WATER
BRN  609440
InChIKey ZUIVNYGZFPOXFW-UHFFFAOYSA-N
LogP -1.4 at 19℃ and pH7.1
CAS DataBase Reference 2503-56-2(CAS DataBase Reference)
NIST Chemistry Reference Pyrimidin-7-ol, 5-methyl-s-triazolo-[1,5-a]-(2503-56-2)
EPA Substance Registry System 2503-56-2(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  1
RTECS  XZ6133300
F  9
Hazard Note  Harmful
TSCA  Yes
HS Code  2933998090
Toxicity
mouse,LD50,intravenous,> 450mg/kg (450mg/kg),Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 597, 1977.

Hazard Information

Material Safety Data Sheet(MSDS)

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