China Reasonable price Raw Cosmetic Ingredients - Povidone-K90 / PVP-K90 – Springchem factory and suppliers

Reasonable price Raw Cosmetic Ingredients - Povidone-K90 / PVP-K90 – Springchem

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Reasonable price Raw Cosmetic Ingredients - Povidone-K90 / PVP-K90 – Springchem Detail:

Product Parameters

Introduction:

INCI	Molecular
POVIDONE-K90	( C6H9NO )n

Povidone (polyvinylpyrrolidone, PVP) is used in the pharmaceutical industry as a synthetic polymer vehicle for dispersing and suspending drugs. It has multiple uses, including as a binder for tablets and capsules, a film former for ophthalmic solutions, to aid in flavoring liquids and chewable tablets, and as an adhesive for transdermal systems.

Povidone has the molecular formula of (C6H9NO)n and appears as a white to slightly off-white powder. Povidone formulations are widely used in the pharmaceutical industry due to their ability to dissolve in both water and oil solvents. The k number refers to the mean molecular weight of the povidone. Povidones with higher K-values (i.e., k90) are not usually given by injection due to their high molecular weights. The higher molecular weights prevent excretion by the kidneys and lead to accumulation in the body. The best-known example of povidone formulations is povidone-iodine, an important disinfectant.

Free flowing,white powder,good stability,non-irritant,soluble in water and ethnol,safer and easier to use,.Effective in killing bacillus,viruses & epiphytes.Compatible with most surface.

Exists as free flowing,redish brown powder,non-irritant with good stability,dissolve in water and alcohol,insoluble in diethylethe and chloroform.

Specifications

Appearance	White or yellowish-white powder
K-Value	81.0～97.2
PH Value（5% in water）	3.0～7.0
Water%	≤5.0
Residue on ignition%	≤0.1
Lead PPM	≤10
Aldehydes%	≤0.05
Hydrazine PPM	≤1
Vinylpyrrolidone%	≤0.1
Nitrogen %	11.5~12.8
Peroxides (as H2O2) PPM	≤400

Package

25KGS per cardboard drum

Period of validity

24month

Storage

Two years if stored under cool and dry conditions and well closed container

Application

Polyvinylpyrrolidone usually in the form of powder or solution exist. PVP in cosmetics mousse, eruption, and hair, paint, printing ink, textile, printing and dyeing, color picture tubes can be used as surface coating agents, dispersing agents, thickeners, binders. In medicine are most widely used binders for tablets, granules and so on.

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