3,3'-Diaminobenzidine tetrahydrochloride hydrate ≥96%, Sigma-Aldrich®

: SIGMA ALDRICH MICROSCOPY

:868272-85-9

:C₁₂H₁₄N₄·4HCl·H₂O

:MFCD08273058

:360.11 g/mol (anhy)

:280 °C

:M-Clarity™ quality level = MQ200

:231-018-9

:GHS07

:GHS08

:Freezer

Some Products May Appear Restricted

To ensure a smooth and speedy checkout, please log in to your account. Some items may show as restricted simply because you're not logged in.

If you do not have an account, you can register using our registration webform (https://www.avantorsciences.com/us/en/login/register)

If you're still seeing restrictions after logging in, certain products—like chemicals or medical devices—require additional account verification steps to be able to place an order. Some items may additionally require a specific license or customer documentation; additional documentation will be requested for these items prior to shipment.

Appearance (Colour):
White to Light Brown and Faint Red and Faint Grey to Light Grey
Appearance (Form):
Powder or Crystal or Chunk(s)
Infrared Spectrum:
Conforms to Structure
Water (by Karl Fischer):
7 - 12 %
Titration with NaOH
Specification is "Dried Basis":
96.0 - 104.0 %
Solubility (Turbidity)
1%, H2O:
Clear to Slightly Hazy
Solubility (Colour):
Colorless to Faint Yellow and Very Faint Brown-Yellow to Light Brown-Yellow and Very Faint Red to Faint Red
Recommended Retest Period:
3 Years