• Formaldehyde (Formalin), 37%, 20L
  • Formaldehyde (Formalin), 37%, 20L
  • Formaldehyde Label
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Assay: 37%
Formula: H2CO
CAS: 50-00-0
U.S. DOT: UN2209, Class 8, PG III
Get the SDS: Download
Return Policy: See Below
HazMat Fee Applies! Ground shipping within lower 48 US states.
Adult signature required
upon delivery.
Discount: Buy at least 4, save 15%
Cat No. - NC-7523
Price: $149.95


Store Above 40°F

Freezing temperatures can cause formaldehyde to form paraformaldehyde. This appears as white inclusions. Do not use if using formaldehyde to treat fish parasites. Paraformaldehyde is TOXIC to fish. Store above 40°F (4.4°C)

Save money by buying this bulk (20L, 5 gal.) size.

Our commercial grade of Formaldehyde or Formalin solution contains 10-15% methanol as a stabilizer. It is a colorless liquid with a strong pungent odor and is soluble in water and alcohol. Its multiple uses include as preservatives, embalming fluids and as a corrosion inhibitor.

It is important to understand necessary precautions prior to use as Formaldehyde is a strong irritant and possible carcinogen.

This chemical ships only within the lower 48 US states using Standard Ground. HazMat fee applies. Adult signature required upon delivery. Shipping to a commercial address suggested.

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For chemical quality assurance our chemicals are "factory fresh" from qualified industrial chemical suppliers. To ensure top quality we CANNOT ACCEPT RETURNS on chemical purchases, even if the container is unopened.


Chemicals with hazard fees are limited to the 48 contiguous U.S. states. Ground-only (No-Fly) chemicals are limited to the 48 contiguous U.S. states and Canada.


Certificates of Analysis for chemicals are available upon request. Use our request page at this link

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