Laboratory Protocols & SOPs Library

Paraformaldehyde (2%)

Recipe - To make 100ml of 2% Paraformaldehyde

1.Add 2 grams of paraformaldehyde to 48 ml of water

2.Heat to dissolve

3.Add NaOH dropwise until solution clears (10-20 drops of 2M)

4.Add 50ml of 2x PBS and mix

5.Remove from heat and place on ice

6.pH from 7.2 to 7.4

Categories: Laboratory Protocols & SOPs Library

Da — when not otherwise indicated, molecular weight units are daltons.   Mw — weight-average molecular weight.   Mn — number-average molecular weight.

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.

Cite this article

Aladdin Scientific. "Paraformaldehyde (2%)" Aladdin Knowledge Base, updated 9 jun 2025. https://www.aladdinsci.com/eu_es/faqs/paraformaldehyde-2-per-en.html
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