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Grade: Food grade product-1-1
Chemical name: Insoluble Polyvinylpyrrolidone
USP/EP name: Crospovidone
Synonyms: Crospovidonum; crosslinked PVP
INCCTFA name: Insoluble PVP
Molecular formula: (C₆H₉NO)n
CAS NO.25249-54-1
Trade name: Sunvidone CL

Characteristics

SUNVIDONE CL series are supplied as fine white or almost white powders.
A slight characteristic odour and are practically tasteless.
Insoluble in all the usual solvents.

Specification

SUNVIDONE		CL	CL-R	CL-S
PH (10% suspension)		5.0-8.0	5.0-8.0	5.0-8.0
Water, % max.		6.0	6.0	6.0
Sulphate ash, % max.		0.4	0.4	0.4
Water-soluble substances, % max.		1.0	1.0	1.0
Free-NVP, mg/kg max.		10	10	10
Free-N,N'-Divinylinidazolidone, mg/kg max.		2	2	2
Lead, mg/kg max.		5	5	5
Nitrogen, %		11.0-12.8	11.0-12.8	11.0-12.8
Particle size, microns		0-300	45%<75	100%<75
Particle size, microns		0-300	15%<37
Equivalent to	BASF's		Divergan R	Divergan F
	ISP's	Disintex	Polyclar R	Polyclar 10/V

Application

Possess a number of useful properties for pharmaceutical products.

-Improvement of tablet disintegration and therefore also of release and bioavailability of drugthrough
-predictable swelling(disintegration effect)
--Improvement of release andbioavailability of drugs through complexation
--Selective adsorption of polyphenols by complexation.
--Stabilization of suspensions by Sunvidone CL,as a hydrophilic polymer
--Complexation of endotoxins
--Adsorption of water

FAQ

1.What is PVPP?
PVPP is a polymer compound, often in the form of white powder. It has strong adsorption capacity and is widely used in food, beverage, pharmaceutical and other industries, especially for clarification, removal of impurities, and improvement of liquid transparency.

2. What is the role of PVPP in beverages?
In beverages, especially wine, beer and juice, PVPP, as a highly efficient clarifier, can adsorb and remove proteins, tannins, phenolic substances, etc. suspended in liquids.

3. How does PVPP work?
The working principle is based on its strong adsorption. It can adsorb and remove insoluble impurities in liquids, which may be proteins, colloidal substances or other harmful substances.

4. How safe is PVPP?
According to current research, PVPP is safe within the prescribed usage. It is recognized by international food safety standards (such as FDA, EFSA) and has no toxic effects on the human body.

5. What are the advantages of PVPP compared with other clarifiers?
Compared with traditional clarifiers, PVPP has the following advantages:
Does not change the taste of beverages: After using PVPP, beverages will not have odor or change their original taste.
High efficiency: PVPP can quickly remove impurities from beverages and is suitable for many types of liquids.
Wide applicability: Whether it is wine, beer or juice, PVPP can effectively clarify.

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CAS Number 25249-54-1