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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

Chemical Properties

Appearance white to light yellow crystal
Melting point  105-107 °C (lit.)
mp  105-107 °C(lit.)
Boiling point  280-281 °C (lit.)
bp  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
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)

Safety Data

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
8
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29333990
Toxicity

LD50 ipr-mus: 410 mg/kg TOXIA6 23,815,85

Hazard Information

Material Safety Data Sheet(MSDS)

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