142-08-5

Name 2-Hydroxypyridine
CAS 142-08-5
EINECS(EC#) 205-520-3
Molecular Formula C5H5NO
MDL Number MFCD00006268
Molecular Weight 95.1
MOL File 142-08-5.mol
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Chemical Properties

Appearance white to light yellow crystal
Melting point  105-107 °C (lit.)
Boiling point  280-281 °C (lit.)
density  1.39
refractive index  1.5939 (estimate)
Fp  210 °C
storage temp.  Store at RT.
solubility  450g/l
form  Liquid
pka 0.75(at 20℃)
color  Colorless to yellow to brown, darken on storage with no loss of purity
Water Solubility  Soluble in water 450 g/L @ 20°C and ethanol, slightly soluble in benzene and ether.
Detection Methods HPLC,NMR
BRN  105786
InChI 1S/C5H5NO/c7-5-3-1-2-4-6-5/h1-4H,(H,6,7)
InChIKey UBQKCCHYAOITMY-UHFFFAOYSA-N
SMILES Oc1ccccn1
LogP -0.593 (est)
CAS DataBase Reference 142-08-5(CAS DataBase Reference)
NIST Chemistry Reference 2(1H)-Pyridinone(142-08-5)
Storage Precautions Light sensitive
EPA Substance Registry System 142-08-5(EPA Substance)
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Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)
GHS06
Signal word  Danger
Hazard statements  H301
Precautionary statements  P301+P330+P331+P310
Hazard Codes  Xi,Xn
Risk Statements 
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 .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
S22:Do not breathe dust .
RIDADR  UN2811
WGK Germany  3
RTECS  UV1144050
F  8
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29333990
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Toxicity
LD50 ipr-mus: 410 mg/kg TOXIA6 23,815,85

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Material Safety Data Sheet(MSDS)

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