Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

Congo Red (Certified Biological Stain), Fisher Chemical

Catalog No. c58025 Shop All Fisherbrand Products
Change view
Click to view available options
Quantity:
25 g
1 product options available for selection
Product selection table with 1 available options. Use arrow keys to navigate and Enter or Space to select.
Catalog No. Quantity
C580-25 25 g
Use arrow keys to navigate between rows. Press Enter or Space to select a product option. 1 options available.
1 options
This item is not returnable. View return policy
Catalog No. C580-25
This item is not returnable. View return policy

For use in histology

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 573-58-0
Molecular Formula C32H22N6Na2O6S2
Molecular Weight (g/mol) 696.664
InChI Key IQFVPQOLBLOTPF-UHFFFAOYSA-L
Synonym Diphenyl Bisazonaphthionic Acid, Direct Red 28
PubChem CID 11313
ChEBI CHEBI:34653
IUPAC Name disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
SMILES C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Specifications

Melting Point 360°C
Bio. Stain Comm. Certification Pass Test
Dye Content Report %
Formula Weight 696.65
Grade Certified Biological Stain
Packaging Glass Bottle
Color Index No. 22120
Color Brown/Red
pH 8 to 9.5
Quantity 25 g
Physical Form Powder
Chemical Name or Material Congo Red
Show More Show Less
Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.