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Hefei Evergreen Chemical Industry Co., Ltd.

Crospovidone, Pvpp, 25249-54-1 manufacturer / supplier in China, offering USP Pharmaceutical Grade Crospovidone Pvpp (CAS 25249-54-1), Bicalutamide with High Quality From Chinaese Supplier CAS 90357-06-5, Oxygen-Fluorine Acid (CAS 82419-35-0) From China Factory and so on.

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Supplier Homepage Product Pharmaceutical Chemicals USP Pharmaceutical Grade Crospovidone Pvpp (CAS 25249-54-1)

USP Pharmaceutical Grade Crospovidone Pvpp (CAS 25249-54-1)

FOB Price: US $8-12 / kg
Min. Order: 20 kg
Min. Order FOB Price
20 kg US $8-12/ kg
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Port: Shanghai, China
Transport Package: 20kg/Drum
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 25249-54-1
  • State: Solid
  • Color: White or Creamy White
  • Specification: Pharmaceutical grade and food grade
  • HS Code: 39059900
  • CAS: 25249-54-1
  • Appearance: White or Creamy White Powder
  • Trademark: EVERGREEN
  • Origin: China
Product Description
Product Name: PVPP
Synonyms: Polyvinylpyrrolidone cross-linked,Crospovidone
CAS No.: 25249-54-1
Molecular Formula: (C6H9NO)n
Molecular Weight:
Structural formula:
     USP Pharmaceutical Grade Crospovidone Pvpp (CAS 25249-54-1)
Properties:
Appearance: White or creamy white powder with faint characteristic odor.
Solubility: Insoluble in water, acid and alkaline. Easily hydrophilic and capable of complex with such substance as phenol, etc. It is completely insoluble with relatively high crosslink density and does not form gels that can impede disintegration, dissolution and drug release.
Melting point : ~165 ºC (dec.)(lit.)
 
Specification:
Item/Product namePVPP-RPVPP-F
Moisture(%)<5.0<5.0
Dissolubility(%)<1.5<1.5
Vinglpyrrdidone(%)<0.1<0.1
PH value (5% dissolve in water)5-85-8
Heavy metal ppm<10<10
Nitrogen(%)11.0-12.811.0-12.8
Ash%(sulphate)<0.2<0.2
TypesDispensable mouldRebirth
 
Application:
1.Because of high molecular weight and crosslinking structure, PVPP can not dissolve in water but can quickly adhibit water and make its network structure expand and breakdown. So PVPP is widely used as disintegrating agent and bulking agent of troche, pelletized granule and capsule in pharmaceutical area.
2.And the molecule has amido bond and adsorb hydroxyl of polyphenol molecule to form hydrogen bond, therefore it can uses as stabilizer of beer, ratafee and potable spirit, prolong the quality guarantee duration to 300 days, and also can improve the transparence, color and taste.
 
Packing and Storage:
20kg/fiber drum or plastic drum ,9000kg/20"FCL.
Kept in cool and dry place.

 
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