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STPP Chemical, Sodium Tripolyphosphate (CAS No: 7758-29-4, Molecular Formula: Na5P3O10), is a white crystalline powder or granular substance with a salty taste and odorless properties. Renowned for its versatility, it serves industrial, food, and technical-grade applications. It exhibits high solubility in water, making it ideal as a water softener for detergents, ceramics, textiles, and oil drilling processes. With an alkaline pH (~9.7 in a 1% aqueous solution) and a density of 1.65 g/cm, it is a reliable cleaning agent across various industries. Its use extends to food preservation by enhancing shelf life. STPP is non-poisonous, with a purity level of 94%, and a melting point of 622C (decomposition). It features sodium ions bonded to the tripolyphosphate anion and is characterized by a structural formula of P3O10^5-. Store this product in a cool, dry place to maintain quality throughout its shelf life of up to 2 years. ---
FAQs of STPP Chemical:
Q: What is the physical form of STPP Chemical?
A: The physical form of STPP Chemical is either a white crystalline powder or granular substance.
Q: What applications does STPP Chemical have?
A: STPP Chemical is used in detergents for water softening, ceramics, textiles, food preservation, and oil drilling.
Q: Is STPP Chemical poisonous?
A: No, STPP Chemical is non-poisonous.
Q: How should STPP Chemical be stored?
A: It should be stored in a cool, dry place away from moisture to maintain its shelf life.
Q: What is the shelf life of STPP Chemical?
A: The shelf life is 2 years if stored properly.