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SPI-Chem™ Paraformaldehyde

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OH(CH2O)nH
Appearance: White free-flowing powder
Odor: Pungent formaldehyde odor
CAS #30525-89-4
NTOSH (RTECS) No. RVO540000
Boiling Point: Sublimes
Melting Point: 248-338°F/ 120-170°C
Flash Point: 158°F/ 70°C
Solubility In Water: Slight

This is a fast acting fixative used in a number of transmission electron microscopy protocols and is most often used in conjunction with glutaraldehyde and osmium tetroxide, often times called Karnovsky's fixative.

Reference: Kamovosky, J Cell Bio., 27, 137A (1965)

SPI Supplies offers complete ready-to-mix and use Karnovsky's Fixative Kits. We believe that many users of this fixative would find it far more convenient to purchase the needed chemicals in this easy to use economical kit than to worry about trying to maintain in fresh supply the individual components.

SizeSPI #Each10+, EachIn Stock
Paraformaldehyde,
EM grade, powder
1 kg02615-AB16.4714.82 Add to cartYes
  30 gm02615-AA  6.58  5.92 Add to cartYes

Storage condition: Refrigerated storage recommended
Hazardous from the stand point of shipping



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Tuesday February 09, 2010
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