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3-(4-amino-2-methyl-phenyl)diazenylnaphthalene-1,5-disulfonic acid, commonly known as Congo Red, is a synthetic azo dye characterized by its red-brown powder form and solubility in water. It is widely recognized for its ability to stain amyloid, a protein deposit associated with various diseases, making it a valuable tool in histology and laboratory research.

6629-26-1

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6629-26-1 Usage

Uses

Used in Histology and Medical Research:
Congo Red is utilized as a staining agent for identifying and visualizing amyloid deposits in tissues and cells. Its affinity for amyloid allows researchers and medical professionals to study the presence and distribution of these protein deposits in diseases such as Alzheimer's.
Used in the Textile Industry:
In the textile industry, Congo Red serves as a dye, providing coloration to fabrics. Its unique chemical properties and colorfastness make it a preferred choice for certain applications within this sector.
Used in Laboratory Applications:
Congo Red is employed in laboratories for detecting the presence of amyloid. Its ability to bind specifically to amyloid makes it a useful reagent in various experimental procedures and assays.
Used in Research Applications:
Due to its distinctive chemical properties, Congo Red is also used in a variety of research applications. It can be involved in studies investigating the structure, function, and interactions of amyloid and related proteins.
Safety Precautions:
It is crucial to handle Congo Red with care, as it may cause skin and eye irritation. Additionally, it poses a risk if ingested or inhaled, necessitating proper safety measures during its use in any application.

Check Digit Verification of cas no

The CAS Registry Mumber 6629-26-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,2 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6629-26:
(6*6)+(5*6)+(4*2)+(3*9)+(2*2)+(1*6)=111
111 % 10 = 1
So 6629-26-1 is a valid CAS Registry Number.

6629-26-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name sodium,3-[(4-amino-2-methylphenyl)diazenyl]naphthalene-1,5-disulfonic acid

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:6629-26-1 SDS

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