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PRUV®

PRUV®

Sodium Stearyl Fumarate

Beyond Tableting Lubrication

PRUV® is a tablet lubricant designed for formulations in which other lubricants lead to formulation and/or manufacturing challenges. As opposed to the frequently used lubricant, magnesium stearate, PRUV® offers the following advantages:

  • High degree of API compatibility*
  • Robustness to over-lubrication
  • No adverse effect on bioavailability
  • Improved appearance of effervescent solutions.

PRUV® helps to accelerate product development and is particularly well suited for high-speed direct compression of tablets.

*Reported API incompatibilities with magnesium stearate include: Azathioprin, Cefaclor, Cilazapril, Clopidogrelacetate, Dicofenac, Fosinopril, Ibuprofen, Ketorolac, Levofloxacin, Nifedipine, Omeprazole, Ramipril, and Trandolapril.

Sodium Stearyl Fumarate2

Ph. Eur., NF, JPE, FCC

Specification

PRUV®

PRUV® CG

Specific Surface Area

1.2 - 2.0 m2/g*

0.3 - 1.0 m2/g*

pH

about 8.5
(10 % aqueous solution at 90 °C)

about 8.5
(10 % aqueous solution at 90 °C)

 Saponification Value

 142.2 – 146.0

 142.2 – 146.0

 Moisture

 < 5.0 %

< 5.0 %

 Solubility

0.5 mg/100 mL at 25 °C
10 g/100 mL at 80 °C
20 g/100 mL at 90 °C

0.5 mg/100 mL at 25 °C
10 g/100 mL at 80 °C
20 g/100 mL at 90 °C

 Melting Point

 224 – 245 °C (dec.)

 224 – 245 °C (dec.)

Downloads

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Brochure PRUV®

PRUV® is a tablet lubricant specifically designed for formulations in which other lubricants lead to formulation and/or manufacturing challenges.

Watch our Product Video
PRUV®

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