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weak to strong (usually 3 or 4) 1500 1580 1600 C≡C terminal alkynes 2100–2140 weak disubst. alkynes 2190–2260 very weak (often indistinguishable) C=O aldehyde/ketone saturated aliph./cyclic 6-membered 1720 α,β-unsaturated 1685 aromatic ketones 1685 cyclic 5-membered 1750 cyclic 4-membered 1775 aldehydes 1725
Methyl anthranilate, also known as MA, methyl 2-aminobenzoate, or carbomethoxyaniline, is an ester of anthranilic acid. Its chemical formula is C 8 H 9 NO 2 . It has a strong and fruity grape smell, and one of its key uses is as a flavoring agent.
4-Aminobenzoic acid (also known as para-aminobenzoic acid or PABA because the two functional groups are attached to the benzene ring across from one another in the para position) is an organic compound with the formula H 2 NC 6 H 4 CO 2 H. PABA is a white crystalline solid, [3] although commercial samples can appear gray. It is slightly soluble ...
Infrared spectroscopy (IR spectroscopy or vibrational spectroscopy) is the measurement of the interaction of infrared radiation with matter by absorption, emission, or reflection. It is used to study and identify chemical substances or functional groups in solid, liquid, or gaseous forms. It can be used to characterize new materials or identify ...
UV-visible spectrum of methylparaben. Methylparaben (methyl paraben) one of the parabens, is a preservative with the chemical formula CH 3 (C 6 H 4 (OH)COO). It is the methyl ester of p-hydroxybenzoic acid.
Methyl benzoate is an organic compound. It is an ester with the chemical formula C 6 H 5 COOCH 3, sometimes abbreviated as PhCO 2 Me, where Ph and Me are phenyl and methyl, respectively. Its structure is C 6 H 5 −C(=O)−O−CH 3. It is a colorless liquid that is poorly soluble in water, but miscible with organic solvents.
Aminomethylbenzoic acid (more precisely, 4-aminomethylbenzoic acid or p-aminomethylbenzoic acid, PAMBA) is an antifibrinolytic. [1] See also. 4-Aminobenzoic acid;
3-Aminobenzoic acid (also known as meta-aminobenzoic acid or MABA) is an organic compound with the molecular formula H 2 NC 6 H 4 CO 2 H. MABA is a white solid, although commercial samples are often colored. It is only slightly soluble in water.