| Identification | More | [Name]
4-AMINO-2,3,5,6-TETRAFLUOROPYRIDINE | [CAS]
1682-20-8 | [Synonyms]
4-AMINO-2,3,5,6-TETRAFLUOROPYRIDINE
4-AMINO-2,3,5,6-TETRAFLUORROPYRIDINE
4-AMINOTETRAFLUOROPYRIDINE
2,3,5,6-Tetrafluoro-pyridin-4-ylamine | [Molecular Formula]
C5H2F4N2 | [MDL Number]
MFCD00010855 | [Molecular Weight]
166.08 | [MOL File]
1682-20-8.mol |
| Chemical Properties | Back Directory | [Appearance]
white to light yellow crystal | [Melting point ]
85-87 °C (lit.) | [Boiling point ]
85-86 °C | [density ]
1.631±0.06 g/cm3(Predicted) | [storage temp. ]
Keep in dark place,Inert atmosphere,Room temperature | [form ]
powder to crystal | [pka]
-3.11±0.10(Predicted) | [color ]
White to Light yellow to Light orange | [BRN ]
475870 | [InChI]
InChI=1S/C5H2F4N2/c6-1-3(10)2(7)5(9)11-4(1)8/h(H2,10,11) | [InChIKey]
PLVFNMQHMRRBAA-UHFFFAOYSA-N | [SMILES]
C1(F)=NC(F)=C(F)C(N)=C1F | [CAS DataBase Reference]
1682-20-8(CAS DataBase Reference) |
| Questions And Answer | Back Directory | [Synthesis]
In principle, ammonia could be used to allow indirect replacement of fluorine by
hydrogen. Workers in this laboratory showed that pentafluoropyridine reacted with
ammonia giving 4-aminotetrafluoropyridine.
 |
| Safety Data | Back Directory | [Hazard Codes ]
Xn,Xi | [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 . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [Hazard Note ]
Irritant | [HS Code ]
29333990 | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Chemical Properties]
white to light yellow crystal | [Uses]
4-Amino-2,3,5,6-tetrafluoropyridine is formed as C-H ′insertion′ product during reaction with 4-azido-2,3,5,6-tetrafluoropyridine. | [General Description]
4-Amino-2,3,5,6-tetrafluoropyridine is formed as C-H ′insertion′ product during reaction with 4-azido-2,3,5,6-tetrafluoropyridine. | [References]
[1] Journal of Fluorine Chemistry, 1996, vol. 81, # 1, p. 39 - 42
[2] Journal of the American Chemical Society, 2017, vol. 139, # 37, p. 13092 - 13101
[3] Oriental Journal of Chemistry, 2016, vol. 32, # 4, p. 1799 - 1813
[4] Journal of Organic Chemistry USSR (English Translation), 1988, vol. 24, # 12, p. 2267 - 2272
[5] Zhurnal Organicheskoi Khimii, 1988, vol. 24, # 12, p. 2513 - 2518 |
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