8.22312

4-Aminobenzoic acid

≥99.0% (acidimetric)

• Synonym(e): PABA
• Empirische Formel (Hill-System): C₇H₇NO₂
• CAS-Nummer: 150-13-0
• Molekulargewicht: 137.14
• MDL-Nummer: MFCD00007894
• UNSPSC-Code: 12352106
• EG-Index-Nummer: 205-753-0
• NACRES: NA.22

Eigenschaften

• product name: 4-Aminobenzoic acid, for synthesis
• Qualitätsniveau: 200
• Assay: ≥99.0% (acidimetric)
• Form: solid
• Wirksamkeit: 6000 mg/kg LD₅₀, oral (Rat)
• pH-Wert: 3.5 (20 °C, 5 g/L in H₂O)
• mp (Schmelzpunkt): 186-189 °C
• Dichte: 1.38 g/cm³ at 20 °C
• Schüttdichte: 200 kg/m³
• Lagertemp.: 2-30°C
• InChI: 1S/C7H7NO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,8H2,(H,9,10)
• InChIKey: ALYNCZNDIQEVRV-UHFFFAOYSA-N

Beschreibung

Anwendung

• Synthesis of Yellow Fluorescence Carbon Dots: 4-Aminobenzoic acid is used to produce yellow fluorescence carbon dots, highlighting its application in vitamin B(12) detection and cell imaging (Zhao et al., 2023).
• Enhanced Production of 4-Amino-3-Hydroxybenzoic Acid: 4-hydroxybenzoate 3-hydroxylase was engineered to convert glucose into 4-amino-3-hydroxybenzoic acid in Corynebacterium glutamicum, illustrating a biotechnological application of 4-Aminobenzoic acid (Nonaka et al., 2023).
• Electrochemical Sensor Development: The compound was used to functionalize diazonium salt modified screen-printed graphene electrodes, creating a rapid diagnostic tool for detecting interleukin-6 (IL-6), relevant in sepsis diagnosis (Jesadabundit et al., 2023).

Hinweis zur Analyse

Gehalt (acidimetrisch): ≥ 99.0 %
Schmelzbereich (unterer Wert): ≥ 185 °C
Schmelzbereich (oberer Wert): ≤ 188 °C
Identität (IR): entspricht

Sicherheitshinweise

• H-Sätze: H412
• P-Sätze: P273 - P501
• Gefahreneinstufungen: Aquatic Chronic 3
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 2
• Flammpunkt (°F): 339.8 °F
• Flammpunkt (°C): 171 °C