Optical Rotation

Optical Rotation

Definition of Optical Rotation Optical Rotations refers to the rotations of the plane of polarization of polarized light as it passes through an optically active substance. It is quantified as $\alpha = [\alpha] \cdot l \cdot c$ where: α is the observed rotation (degrees). [α] is the specific rotation (degrees·dm⁻¹·g⁻¹·mL). l is the path length … Read more

Solid – Amorphous

Solid - Amorphous

Solid – Amorphous lack a long-range ordered structure. Characteristics of Solid – Amorphous: Short-Range Order: Atoms are ordered only over short distances. Isotropy: Properties are generally uniform in all directions. Broad Melting Range: Gradually soften over a range of temperatures rather than having a sharp melting point. Formation of Solid – Amorphous: Rapid cooling of … Read more

Glassy States

Glassy States

Glassy States refer to the amorphous state of a material where it behaves like a solid but has a disordered atomic structure like a liquid. Characteristics of Glassy States: Non-crystalline: Lacks long-range order typical of crystals. Transition: Forms when a liquid is cooled rapidly, bypassing the crystalline state, resulting in a solid without a defined … Read more

Acetyl Salicylic Acid (Aspirin)

Acetyl Salicylic Acid (Aspirin)

Acetyl Salicylic Acid (Aspirin) Definition  Acetyl Salicylic Acid (Aspirin) commonly known as aspirin, is a synthetic derivative of salicylic acid and belongs to the class of nonsteroidal anti-inflammatory drugs (NSAIDs). It is widely used for its analgesic (pain-relieving), antipyretic (fever-reducing), anti-inflammatory, and antiplatelet (blood-thinning) properties. Structure: Chemical Formula: C₉H₈O₄ Molecular Structure: An ester formed by … Read more

Methyl Salicylate

Methyl salicylate

Methyl Salicylate Definition  Methyl salicylate is a colorless to pale yellow liquid with a strong, minty odor, used in topical analgesics, flavoring agents, and fragrances. It is an ester of salicylic acid, commonly referred to as oil of wintergreen. Structure: Chemical Formula: C₈H₈O₃ Molecular Structure: An ester formed by the condensation of salicylic acid and … Read more

Dimethyl Phthalate

Dimethyl Phthalate

Dimethyl Phthalate Definition  Dimethyl Phthalate is a colorless, oily liquid used primarily as a plasticizer, solvent, and insect repellent. It is synthesized by esterifying phthalic anhydride with methanol. Structure: Chemical Formula: C₁₀H₁₀O₄ Molecular Structure: An ester formed by the condensation of phthalic acid and methanol, consisting of a benzene ring with two ester groups attached. … Read more

Benzyl Benzoate

Benzyl Benzoate Definition  Benzyl Benzoate is an organic compound with the formula C₆H₅CH₂O₂CC₆H₅. It is the ester formed by the condensation of benzyl alcohol and benzoic acid. Structure: Chemical Formula: C₁₄H₁₂O₂ Molecular Structure: An ester formed by the condensation of benzoic acid and benzyl alcohol. Geometry: Planar around the aromatic rings. Uses: Pharmaceuticals: Used as … Read more

Benzoic Acid

Benzoic Acid Definition  Benzoic Acid is a white, crystalline aromatic carboxylic acid with the chemical formula C₆H₅COOH. It consists of a benzene ring attached to a carboxyl group. It is slightly soluble in water and highly soluble in organic solvents. Structure: Chemical Formula: C₇H₆O₂ Molecular Structure: Contains a benzene ring attached to a carboxyl group … Read more

Salicylic Acid

Salicylic Acid

Salicylic Acid Definition Salicylic acid is a phenolic acid and a type of beta hydroxy acid that functions as a keratolytic, anti-inflammatory, and antibacterial agent. It is commonly used to treat acne, warts, psoriasis, and other skin disorders due to its ability to exfoliate the skin and unclog pores. Structure: Chemical Formula: C₇H₆O₃ Molecular Structure: … Read more

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