Paraformaldehyde (PFA), granulated 250gr.

39,00 

  • Ultrapure Quality solid form.
  • Purified Granular
  • EM Grade, 
  • Formula :OH(CH2O)n
  • F.W., P.M.  : 600  
  • CAS #30525-89-4
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SKU: GP26-250 Category:

Description

Paraformaldehyde is the condensation product of methylene glycol, a substance not so far isolated in its pure form; it is a white solid with a formaldehyde content between 78 and 98% and is supplied either as a Prill or Granular. All forms contain more than 95.5% paraformaldehyde content. The Prill and Granular forms are small, free-flowing, dust-free beads, the most desired by EM users. A fast-penetrating EM fixative used in combination with Glutaraldehyde, Acrolein, and Osmium Tetroxide. Karnovsky, M.J., J. Cell Biol., 27, 137A (1965). Hayat, M.A. Principles & Tech., of EM (Univ. Park Press), 68 (1981).

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