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| CAS No.: | 945-30-2 |
|---|---|
| Name: | 2,5-DIAMINOTEREPHTHALIC ACID |
| Molecular Structure: | |
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| Formula: | C8H8N2O4 |
| Molecular Weight: | 196.163 |
| Synonyms: | 2,5-diaminobenzene-1,4-dicarboxylic acid;H2DATA;2,5-diamino-terephthalic acid;2,5-Diaminoterephthalsaeure; |
| Density: | 1.647±0.06 g/cm3(Predicted) |
| Melting Point: | >300°C |
| Boiling Point: | 493.0±45.0 °C(Predicted) |
| PSA: | 126.64000 |
| LogP: | 1.40980 |

Diethyl 2,5-diaminobenzene-1,4-dicarboxylate dihydrobromide


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| With sodium hydroxide Heating; | 96% |

diethyl 2,5-diaminoterephthalate


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| With potassium hydroxide; ethanol | |
| With alkaline solution |

2-amino-5-nitroterephthalic acid


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| With potassium hydroxide; hydrogen; palladium on activated charcoal In water under 2585.7 Torr; for 2h; |


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| With alkaline hypochlorite; Methamphetamin |

| Conditions | Yield |
|---|---|
| Multi-step reaction with 5 steps 1: 100 percent / KOH, H2 / 5percent Pd/C / H2O / 12 h / 2585.7 Torr 2: 53 percent / 150 °C 3: HNO3, H2SO4 / 5 - 10 °C 4: H2O / 0 °C 5: KOH, H2 / 5percent Pd/C / H2O / 2 h / 2585.7 Torr View Scheme |

3-aminoterephthalic acid


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1: 53 percent / 150 °C 2: HNO3, H2SO4 / 5 - 10 °C 3: H2O / 0 °C 4: KOH, H2 / 5percent Pd/C / H2O / 2 h / 2585.7 Torr View Scheme |

2-formamidoterephthalic acid


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: HNO3, H2SO4 / 5 - 10 °C 2: H2O / 0 °C 3: KOH, H2 / 5percent Pd/C / H2O / 2 h / 2585.7 Torr View Scheme |


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: H2O / 0 °C 2: KOH, H2 / 5percent Pd/C / H2O / 2 h / 2585.7 Torr View Scheme |


2,5-diaminoterephthalic acid

| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: potassium permanganate; pyridine / water 2: potassium hydroxide / water View Scheme |