2-[4-(Dibutylamino)-2-hydroxybenzoyl]benzoic acid Cas 54574-82-2
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2-[4-(Dibutylamino)-2-hydroxybenzoyl]benzoic acid, also known as BBA, is a light yellow crystalline powder.
1. Stable chemical structure with high thermal stability, melting point at 190–193 °C, suitable for high-temperature synthesis process;
2. High purity, low impurity content, low moisture (loss on drying ≤0.2%), consistent quality batch by batch;
3. Contains carboxylic acid functional group, easy to conduct esterification and condensation reactions; excellent reactivity as key synthetic intermediate;
4. Low volatility under normal processing conditions, good storage stability; sealed storage in cool and dry environment avoids deterioration;
5. Insoluble in water, soluble in common organic solvents such as alcohols, esters and aromatic solvents.
CAS No: 54574-82-2
Appearance: light yellow crystalline powder
EINECS No.: 410-410-5
Chemical Name: 2-[4-(Dibutylamino)-2-hydroxybenzoyl]benzoic acid
| Item | Specifications |
| Appearance | light yellow crystalline powder |
| Odor | Slight characteristic odor |
| Active content | ≥98.0% (HPLC) |
| Free oil | ≤0.20% |
| Sodium sulfate | ≤0.10% |
| Acidity coefficient (pKa) | 3.28±0.36(Predicted) |
BBA (CAS 54574-82-2) is a core intermediate for leuco dyes (color formers) for thermal paper and pressure-sensitive paper.
1. Thermal Sensitive Dyes / Thermal Paper Industry
It is the critical raw material to synthesize black thermal leuco dyes, widely used for thermal receipt paper, label paper, lottery tickets, facsimile paper, taxi bill paper, POS printing paper. The finished dye features clear printing color, good color developing speed, excellent light resistance and anti-fading performance.
2. Pressure-Sensitive Carbonless Paper
Used for manufacturing chromogenic compounds for carbonless copy paper, applicable to commercial invoices, contract documents, multi-layer forms.
3. Fine Chemical & Dye Intermediate
Applied in synthesis of other amino-substituted benzophenone derivatives, organic colorants, optical functional materials.
• Standard Packing: 25 kg/bag; 25 kg/drum
• MOQ: to be confirmed by grade and destination
• Lead Time: to be confirmed by order quantity and production schedule
• Shipping: sea / air / express options available
• Store in a cool, dry, and well-ventilated place.
• Keep container tightly closed and protected from moisture.
• Avoid direct sunlight, heat, and open flame.
• Follow SDS guidance for incompatible materials.
