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F8775 Sigma

Formaldehyde solution

for molecular biology, 36.5-38% in H2O

Synonym: Formalin


Related Categories Core Bioreagents, General Reagents, Life Science Reagents for DNA/RNA Electrophoresis, Life Science Reagents for Northern and Southern Blotting, Life Science Reagents for Protein Electrophoresis,
grade   for molecular biology
vapor density   1.03 (vs air)
vapor pressure   52 mmHg ( 37 °C)
autoignition temp.   572 °F
contains   10-15% methanol
concentration   36.5-38% in H2O
density   1.09 g/mL at 25 °C(lit.)


Analysis Note

Tested for use in formaldehyde-agarose gel electrophoresis of RNA.


Formaldehyde is used as a denaturant in formaldehyde-agarose gel electrophoresis of RNA. A gel concentration of 2.2 M formaldehyde is typically used. The formaldehyde concentration as supplied is approximately 13.3M.


25, 500 mL in poly bottle

Price and Availability

Suggested Laboratory Gloves

Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.

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ACS reagent, 37 wt. % in H2O, contains 10-15% Methanol as stabilizer (to prevent polymerization)

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Formaldehyde solution

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