**English Name:** PTBBA; 4-tert-Butylbenzoic Acid; p-tert-Butylbenzoic Acid
**Other Names:** p-tert-butylbenzoic acid, p-tert-butylbenzoic acid, para-tert-butylbenzoic acid
**CAS Number:** 98-73-7
**Molecular Formula:** Câ‚â‚Hâ‚â‚„Oâ‚‚
**Molar Mass:** 178.23 g/mol
**Grade:** Purum (Analytical Grade)
**Purity:** ≥99.0%
**Melting Point:** 164–168°C
**Appearance:** Colorless needle-like crystals or fine crystalline powder, sometimes appearing as beige fragments.
**Solubility:** Slightly soluble in water (0.07 g/L at 20°C), soluble in ethanol and benzene. Insoluble in petroleum ether. Solubility in other solvents: 21.4% (at 20°C), 9% (at 20°C).
**Density:** 1.142 g/cm³
**Flash Point:** 180°C
**Storage:** Store at room temperature (RT). Keep away from moisture and heat.
**Hazards:** Irritating to skin and eyes. Handle with care.
**Applications:** Widely used in biochemical research, organic synthesis, and as an intermediate in the production of various organic compounds.
This compound is commonly employed in laboratory settings for the synthesis of pharmaceuticals, dyes, and other organic materials. Its high purity and stability make it a reliable choice for chemical research and industrial applications. Always follow proper safety procedures when handling this substance.
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