Polyvinylpyrrolidone/ PVP K30 K15 K17 K25 K90 CAS 9003-39-8

Description:
Polyvinylpyrrolidone (PVP) K90 is a synthetic polymer belonging to the family of polyvinylpyrrolidones. It is a white, free-flowing powder with a molecular weight typically ranging from 1,000,000 to 1,200,000 Daltons. PVP K90 is soluble in water and many organic solvents.

Specification:
The specifications of PVP K90 can vary depending on the specific grade and manufacturer. Here are some general specifications:

• Chemical formula: (C6H9NO)n
• Molecular weight: Typically ranges from 1,000,000 to 1,200,000 g/mol
• Appearance: White or off-white, free-flowing powder
• Purity: Typically, not less than 95% or higher (depending on the grade)
• Solubility: Soluble in water and many organic solvents, such as ethanol and methanol

Application:
PVP K90 finds a wide range of applications in various industries, including:

1. Chemical: PVP K90 is commonly used in the Chemical industry as a binder, disintegrant, and film-forming agent in tablet and capsule formulations. It helps to improve the dissolution and bioavailability of active Chemical ingredients. PVP K90 can also be used as a stabilizer in suspensions and emulsions.

2. Cosmetics and personal care products: PVP K90 is utilized in the formulation of cosmetic and personal care products. It is used as a film-forming agent, hair fixative, thickener, and viscosity enhancer in products such as hair sprays, gels, mousses, creams, lotions, and shampoos. PVP K90 provides excellent hold, humidity resistance, and improves the texture of these products.

3. Industrial applications: PVP K90 finds applications in various industrial sectors. It is used as a dispersant, binding agent, and protective colloid in the production of adhesives, coatings, paints, and inks. PVP K90 can also be used as a stabilizer in polymerization processes and as a suspending agent in ceramic and pigment applications.

4. Food and beverages: PVP K90 is approved for use as a food additive by regulatory authorities. It is used as a stabilizer, clarifying agent, and thickener in food and beverage products. PVP K90 can be found in products such as beer, wine, fruit juices, and confectionery.

Features:

1. Water solubility: PVP K90 exhibits excellent solubility in water, which makes it easy to incorporate into aqueous formulations and allows for uniform distribution.

2. Film-forming properties: PVP K90 has film-forming capabilities, forming a transparent and flexible film upon drying or application. This property is valuable in applications where a protective or cosmetic film is desired.

3. Binding and encapsulating properties: PVP K90 acts as a binder, holding together powdered or granulated materials in tablet and capsule formulations. It also has encapsulating properties, helping to improve the stability and controlled release of active ingredients.

4. Compatibility: PVP K90 is compatible with a wide range of active ingredients, excipients, and other polymers, making it versatile for formulation purposes.