Nile blue A, certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: Nile blue A sulphate, Nile blue sulphate, 5-Amino-9-(diethylamino)benzo[a]phenoxazin-7-ium sulphate, Basic Blue 12

N0766-25G N0766-5G
N0766-25GEA 265 GBP
N0766-25G N0766-5G
Nile blue A, certified by the Biological Stain Commission, Sigma-Aldrich®
Nile blue A

Nile Blue A has been used for the staining of eggs before transferring them to the hosts. It has been used for the staining of cells.


Used in the preparation of an amperometric glucose sensor.

Formula: C₄₀H₄₀N₆O₆S
MW: 732,84 g/mol
Melting Pt: >300 °C (dec., lit.)
Storage Temperature: Room Temperature
MDL Number: MFCD00064529
CAS Number: 3625-57-8
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Specification Test Results

Appearance (Form) Powder
Infrared Spectrum Conforms to Structure
Solubility (Colour)
1 mg/mL, H2O
Dark Blue
Dye Content ≥75 %
Biological Stain Commission Commission Certified Number: AcNb-21

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