HSN Code 3401 refers to "Soap; organic surface-active products and preparations for use as soap, in the form of bars, cakes, moulded pieces or shapes, whether or not containing soap; organic surface-active products and preparations for washing the skin, in the form of liquid or cream and put up for retail sale, whether or not containing soap; paper, wadding, felt and nonwovens, impregnated, coated or covered with soap or detergent." This classification code is essential for identifying soap and related organic surface-active products for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 3401 include bar soap, liquid soap, cream soap, and soap-coated materials. Additionally, the GST rate for soaps and organic surface-active products under this code ensures accurate trade compliance.