Omnistab UV BP 4

About Omnistab UV BP 4

Omnistab UV BP 4 is a 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid. Acts as a ultraviolet (UV) light absorber with wide absorption band (280 – 360 nm range).

  • CAS number: 4065-45-6
  • Chemical name: 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
  • Moleculair formula: C14H12O6S
  • Molecular weight (g/mol): 308.00
  • Content (%): 99.50 min
  • Volatiles (%): 3.00 max
  • Melting point/range (ºC): 170.00
  • Residue on ignition (%): 0.10 max
  • Color Gardener (%): 4.00 max
  • Specific Extinction (at 287 nm): 460 min
  • Specific Extinction (at 324 nm): 275 min
  • Odour: Faint characteristic
  • K-Value at 285 nm (l/g-cm): 45.00 -50.00
  • Ph, 1% aqueous solution @25˚C: 1.20 - 2.20
  • Product form(s): Powder
  • Packaging option(s): Carton
Product Data Sheet





Product Data Sheet

Omnistab UV BP 4


Date: Friday, Jan 15, 2021

Product Composition

CAS number: 4065-45-6
Chemical name: 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
Moleculair formula: C14H12O6S
Molecular weight (g/mol): 308.00

Product Specification

Content (%) 99.50 min
Volatiles (%) 3.00 max
Melting point/range (ºC) 170.00
Residue on ignition (%) 0.10 max
Color Gardener (%) 4.00 max
Specific Extinction (at 287 nm) 460 min
Specific Extinction (at 324 nm) 275 min
Odour Faint characteristic
K-Value at 285 nm (l/g-cm) 45.00 -50.00
Ph, 1% aqueous solution @25˚C 1.20 - 2.20
Product form(s): Powder
Packaging option(s) Carton

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