6602-28-4

Name 3-Pyridinol N-oxide
CAS 6602-28-4
EINECS(EC#) 229-545-4
Molecular Formula C5H5NO2
MDL Number MFCD00006200
Molecular Weight 111.1
MOL File 6602-28-4.mol
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Chemical Properties

Appearance light yellow to beige fine crystalline powder
Melting point  190-192 °C(lit.)
Boiling point  208.19°C (rough estimate)
density  1.3113 (rough estimate)
refractive index  1.4260 (estimate)
form  powder to crystal
pka 8.07±0.10(Predicted)
color  White to Yellow to Orange
InChI InChI=1S/C5H5NO2/c7-5-2-1-3-6(8)4-5/h1-4,7H
InChIKey YMEZKRMAPQIBQH-UHFFFAOYSA-N
SMILES C1[N+]([O-])=CC=CC=1O
CAS DataBase Reference 6602-28-4(CAS DataBase Reference)
NIST Chemistry Reference Pyridinium,1,3-dihydroxy-,1-hydroxide,inner salt(6602-28-4)

Safety Data

Hazard Codes  Xn
Risk Statements 
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 Statements 
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:Keep container tightly closed and dry .
S36:Wear suitable protective clothing .
S22:Do not breathe dust .
WGK Germany  3
RTECS  UU7719100
HS Code  29333999
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Carc. 2
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Hazard Information

Material Safety Data Sheet(MSDS)

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