Name | 3-Hydroxypyridine-N-oxide |
Synonyms | 3-PYRIDINOL N-OXIDE 3-PYRIDINOL 1-OXIDE 3-Pyridinol N-oxide pyridin-3-ol 1-oxide HydroxypyridineNoxide 3-Hydroxypyridine 1-oxide 3-Hydroxypyridine-N-oxide 3-hydroxypyridine-1-oxide 3-HYDROXYPYRIDINE-N-OXIDE 3-HYDROXYPYRIDINIUM-1-OLATE |
CAS | 6602-28-4 |
EINECS | 229-545-4 |
InChI | InChI=1/C5H5NO2/c7-5-2-1-3-6(8)4-5/h1-4,7H |
Molecular Formula | C5H5NO2 |
Molar Mass | 111.1 |
Density | 1.3113 (rough estimate) |
Melting Point | 190-192°C(lit.) |
Boling Point | 208.19°C (rough estimate) |
Flash Point | 188.3°C |
Vapor Presure | 1.45E-06mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Yellow to Orange |
pKa | 8.07±0.10(Predicted) |
Storage Condition | Room Temprature |
Refractive Index | 1.4260 (estimate) |
Physical and Chemical Properties | Melting point 189-192°C |
Hazard Symbols | Xn - Harmful |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R40 - Limited evidence of a carcinogenic effect |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S7/8 - S36 - Wear suitable protective clothing. S22 - Do not breathe dust. |
WGK Germany | 3 |
RTECS | UU7719100 |
HS Code | 29333999 |
NIST chemical information | information provided by: webbook.nist.gov (external link) |