Skip to Content
FO
EN
Products
Applications
Services
Documents
Support
Analytical Chemistry
Cell Culture & Analysis
Chemistry & Biochemicals
Clinical & Diagnostics
Filtration
Greener Alternative Products
Industrial Microbiology
Labware
Materials Science
Molecular Biology & Functional Genomics
mAbs Development & Manufacturing
mRNA Development & Manufacturing
Pharma & Biopharma Manufacturing
Protein Biology
Water Purification
Analytical Chemistry
Cell Culture & Analysis
Chemistry & Synthesis
Clinical & Diagnostics
Environmental & Cannabis Testing
Food & Beverage Testing & Manufacturing
Genomics
Materials Science & Engineering
Microbiological Testing
mAbs Development & Manufacturing
mRNA Development & Manufacturing
Pharma & Biopharma Manufacturing
Protein Biology
Research & Disease Areas
Contract Manufacturing
Contract Testing
Custom Products
Digital Solutions for Life Science
IVD Development & Manufacturing
Product Services
Support
Safety Data Sheets (SDS)
Certificates of Analysis (COA)
Certificates of Origin (COO)
Certificates of Quality (COQ)
Customer Support
Contact Us
FAQ
Safety Data Sheets (SDS)
Certificates (COA/COO)
Quality & Regulatory
Calculators & Apps
Webinars
Back
Congo Red
Synonym(s):
Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y
Empirical Formula (Hill Notation):
C
32
H
22
N
6
Na
2
O
6
S
2
CAS Number:
573-58-0
Molecular Weight:
696.66
EC Number:
209-358-4
Products
Product Category
stains (2)
Brand
Sigma-Aldrich (2)
Supelco (1)
Color
Formula Weight
Melting Point (°C)
Physical Form
Product Line
Purity
Format
Chemical Composition
Quality Segment
Application
Reference Material Type
Special Grade
analytical standard (1)
Technique
Filter Products
Showing 1-3 of 3
Compare
Product Number
Description
Pricing
C6767
Congo Red,
Dye content ≥35 %, Powder
Expand
View Pricing
C6277
Congo Red,
Dye content, ≥85%, certified by the Biological Stain Commission, powder
Expand
View Pricing
75768
Congo Red,
analytical standard
Expand
View Pricing