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Name |
2-Aminoterephthalic acid |
EINECS | N/A |
CAS No. | 10312-55-7 | Density | 1.551 g/cm3 |
PSA | 100.62000 | LogP | 1.24640 |
Solubility | Slightly soluble in water. | Melting Point |
324 °C (dec.)(lit.) |
Formula | C8H7NO4 | Boiling Point | 450.7 °C at 760 mmHg |
Molecular Weight | 181.148 | Flash Point | 226.4 °C |
Transport Information | N/A | Appearance | slight yellow crystalline powder |
Safety | 26-36 | Risk Codes | 36/37/38 |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Aminoterephthalic acid; |
Article Data | 34 |
2-nitroterephthalic acid
3-aminoterephthalic acid
Conditions | Yield |
---|---|
With potassium hydroxide; hydrogen; palladium on activated charcoal In water under 2585.7 Torr; for 12h; | 100% |
With palladium 10% on activated carbon; ammonium formate; silica gel In methanol for 1.5h; Milling; | 99% |
With hydrogen In ethanol at 20℃; under 760.051 Torr; for 4h; | 92% |
dimethyl aminoterephthalate
3-aminoterephthalic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In methanol at 60℃; for 3h; | 94% |
With sodium hydroxide for 2h; Heating; | |
With potassium hydroxide In tetrahydrofuran; water at 20℃; |
monoamide of trimellitic acid
3-aminoterephthalic acid
Conditions | Yield |
---|---|
With potassium hydroxide; bromine |
2-acetamidoterephthalic acid
3-aminoterephthalic acid
Conditions | Yield |
---|---|
With ethanol; sulfuric acid |
ethanol
sulfuric acid
2-acetamidoterephthalic acid
3-aminoterephthalic acid
hydrogenchloride
3-aminoterephthalic acid
1,2,4-Trimethylbenzene
3-aminoterephthalic acid
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 2: sulfuric acid 3: aqueous-methanolic KOH-solution 5: 100 °C / im Rohr 6: bromine; KOH-solution View Scheme |
The 2-Aminoterephthalic acid, with the CAS registry number of 10312-55-7, is also known as Aminoterephthalicacid. It belongs to the product categories of Phthalic Acids, Esters and Derivatives; Derivatives of phthalic acid; Aromatic Amino Acids; Peptide Synthesis; Unnatural Amino Acid Derivatives. This chemical's molecular formula is C8H7NO4 and molecular weight is 181.15. What's more, its IUPAC name is 2-Aminoterephthalic acid. In addition, it must be stored in airtight containers and placed in a dry, cool place.
Physical properties about the 2-Aminoterephthalic acid are: (1)ACD/LogP: 1.49; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.01; (4)ACD/LogD (pH 7.4): -2.65; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 5; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 55.84 Å2; (13)Index of Refraction: 1.684; (14)Molar Refractivity: 44.34 cm3; (15)Molar Volume: 116.7 cm3; (16)Surface Tension: 87.7 dyne/cm; (17)Density: 1.551 g/cm3; (18)Flash Point: 226.4 °C; (19)Enthalpy of Vaporization: 74.78 kJ/mol; (20)Boiling Point: 450.7 °C at 760 mmHg; (21)Vapour Pressure: 6.54E-09 mmHg at 25 °C.
Preparation: this chemical is prepared by Nitro-terephthalic acid. The reaction needs reagents 37 % HCl, Hydrogen and solvents Tetrahydrofuran, Ethanol. It also needs catalyst Pd/C. The reaction time is 4 hours. The yield is about 73 %.
Uses: it is used to produce other chemicals. For example, it is used to produce Amino-terephthalic acid-4-methyl ester. This reaction needs reagent 98 % H2SO4. Other condition of this reaction is reaction time of 8 minutes at 60 °C. The yield is about 57 %.
When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice. Besides, during using it, wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1) SMILES:O=C(O)c1ccc(cc1N)C(=O)O
(2) InChI:InChI=1/C8H7NO4/c9-6-3-4(7(10)11)1-2-5(6)8(12)13/h1-3H,9H2,(H,10,11)(H,12,13)
(3) InChIKey:GPNNOCMCNFXRAO-UHFFFAOYAI