Is the 4 nitroaniline and p-nitroaniline same?
It is an organic chemical compound, consisting of a phenyl group attached to an amino group which is para to a nitro group. The chemical structure of p-nitroaniline is shown at the right….4-Nitroaniline.
p-Nitroaniline | |
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CAS number | 100-01-6 |
Properties | |
Molecular formula | C6H6N2O2 |
Molar mass | 138.12 g/mol |
What is the structure of 4 nitroaniline?
C6H6N2O24-Nitroaniline / Formula
What is the functional group of 4 nitroaniline?
A nitroaniline carrying a nitro group at position 4. This entity has been manually annotated by the ChEBI Team. 4-Nitroaniline, p-nitroaniline or 1-amino-4-nitrobenzene is an organic compound with the formula C6H6N2O2.
What is the state of p-nitroaniline?
solid
4-Nitroaniline
p-Nitroaniline | |
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Appearance | yellow or brown powder |
Density | 1.437 g/ml, solid |
Melting point | 146-149 °C(lit.) |
Boiling point | 332 °C |
Is para nitroaniline polar?
In P-nitroaniline the amino group is contralateral or para to the nitro group which results in the compound being polar due to hydrogen bonding.
What is a Rf value in chromatography?
In thin-layer chromatography, the retention factor (Rf) is used to compare and help identify compounds. The Rf value of a compound is equal to the distance traveled by the compound divided by the distance traveled by the solvent front (both measured from the origin).
Why is p-nitroaniline color?
Trouble is that traces of acid left will hydrolyze it into p-nitroaniline which has deep yellow to yellow-orange color (this compound has melting point of 146 -149 °C) and it smells like ammonia. Unfortunately, p-nitroaniline is difficult to remove from p-nitroacetanilide by crystallization.
What is the boiling point of 4 nitroaniline?
629.6°F (332°C)4-Nitroaniline / Boiling point
Which nitroaniline is more polar O or p-nitroaniline?
The proximity of amino and nitro functional groups in o-nitroaniline results in intramolecular hydrogen bonding, making the molecule less polar. In p-nitroaniline, the amino group is para or opposite to the nitro group making the molecule more polar.
How do you calculate Rf value?
The Rf value of a compound is equal to the distance traveled by the compound divided by the distance traveled by the solvent front (both measured from the origin).
Which compound is more strongly adsorbed on silica ortho or para nitroaniline?
Which compound, ortho- or para-nitroaniline, should be more strongly adsorbed onto the silica gel? Why is this? para-nitroaniline (more polar ) strongly adsorbed onto polar silica gel surface.
Why the dipole moment of para nitroaniline is higher than that of nitrobenzene?
The dipole moment of both nitro and amine group are in the same direction so they add up which increases the dipole moment. The effect of nitro group is maximum when it is present at p- position , so p-nitroaniline has highest dipole moment.
Which is more polar O-nitroaniline and P-nitroaniline?
Thus it was determined o-nitroaniline would be eluted further up by the appropriate solvent in TLC. Conversely, P-nitroaniline is more polar due to having its functional groups opposite to each other, a more polar molecule can interact to a greater extent with the silica stationary phase.
What is the difference between p-nitroaniline and 4 4 nitro aniline?
4-nitroaniline is a nitroaniline carrying a nitro group at position 4. It has a role as a bacterial xenobiotic metabolite. P-nitroaniline, [solid] is a yellow solid with a mild odor. Sinks in water. (USCG, 1999)
How can occupational exposure to 4-nitroaniline occur?
Occupational exposure to 4-nitroaniline may occur through dermal contact with this compound at workplaces where 4-nitroaniline is produced or used (SRC). (1) NIOSH; NOES.
Does 4-nitroaniline degrade in sunlight?
In the water column, 4-nitroaniline may be susceptible to significant degradation in sunlight via reaction with photochemically produced oxidants such as hydroxyl and alkoxy radicals. BCFs of <10 suggest bioconcentration in aquatic organisms is low.
What is the chemical formula for 4-nitroaniline?
4-nitroaniline is a nitroaniline carrying a nitro group at position 4. It has a role as a bacterial xenobiotic metabolite. P-nitroaniline, [solid] is a yellow solid with a mild odor. Sinks in water. (USCG, 1999) 4-nitroaniline Computed by Lexichem TK 2.7.0 (PubChem release 2021.05.07) InChI=1S/C6H6N2O2/c7-5-1-3-6 (4-2-5)8 (9)10/h1-4H,7H2