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2-Hydroxy-3-trifluoromethylpyridine

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2-Hydroxy-3-trifluoromethylpyridine

2-Hydroxy-3-trifluoromethylpyridine

2-Hydroxy-3-trifluoromethylpyridine

CAS: 22245-83-6

Molecular Formula: C6H4F3NO

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Description

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2-Hydroxy-3-trifluoromethylpyridine – Introduction

22245-83-6 – Names and Identifiers

Name	2-hydroxy-3-trifluoromethylpyridine
Synonyms	3-Trifluoromethyl-pyridin-2-ol 3-(TRIFLUOROMETHYL)-2-PYRIDONE 3-(Trifluoromethyl)pyridin-2-one 2-hydroxy-3-trifluoromethylpyridine 3-(trifluoromethyl)pyridin-2(1H)-one 3-(Trifluoromethyl)-1,2-dihydropyridin-2-one 3-(TRIFLUOROMETHYL)-1,2-DIHYDROPYRIDIN-2-ONE
CAS	22245-83-6
EINECS	671-273-7
InChI	InChI=1/C6H4F3NO/c7-6(8,9)4-2-1-3-10-5(4)11/h1-3H,(H,10,11)

22245-83-6 – Physico-chemical Properties

Molecular Formula	C6H4F3NO
Molar Mass	163.1
Density	1.398±0.06 g/cm3(Predicted)
Melting Point	150-153°C
Boling Point	223.7±40.0 °C(Predicted)
Flash Point	89.1°C
Vapor Presure	0.0947mmHg at 25°C
Appearance	Solid
Color	White to Almost white
pKa	9.67±0.10(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.436
MDL	MFCD00153194

22245-83-6 – Risk and Safety

Risk Codes	R36/37/38 – Irritating to eyes, respiratory system and skin. R65 – Harmful: May cause lung damage if swallowed R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R20/21 – Harmful by inhalation and in contact with skin. R36 – Irritating to the eyes R25 – Toxic if swallowed
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S36 – Wear suitable protective clothing. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN2811
HS Code	29333990
Hazard Class	IRRITANT

22245-83-6 – Reference Information

LogP	0.71 at 25℃
application	2-hydroxy-3-trifluoromethylpyridine as pyridine derivatives plays an important intermediate role in the chemical industry, medical pesticides and other aspects.
Preparation	The solution of 2-chloro-3-(trifluoromethyl) pyridine (5g) in a mixture of acetic acid (50ml) and water (5ml) was refluxed for 7 days. Dilute the mixture with water and add 6M NaOH solution until pH 5-6 is reached. The mixture was extracted with EtOAc. The organic phase was dried with Na2SO4 and concentrated in vacuum. Dissolve the residue in ethyl acetate and add hexane. The precipitate was filtered out to obtain 2-hydroxy-3-trifluoromethylpyridine. The yield was 4g. MS(ES )m/z 164(MH).

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