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2-Naphthalenesulfonic acid, 5,5'-[4,4'-biphenylylenebis(azo)]bis[8-amino-, disodium salt (8CI) is a complex organic compound with the chemical formula C34H24N4Na2O4S2. It is a disodium salt derived from 2-napthalenesulfonic acid, which is a derivative of naphthalene with a sulfonic acid group attached. The compound features a biphenylylenebis(azo) bridge connecting two 8-amino-2-napthalenesulfonic acid units, resulting in a highly conjugated and colorful structure. 2-Naphthalenesulfonicacid, 5,5'-[4,4'-biphenylylenebis(azo)]bis[8-amino-, disodium salt (8CI) is primarily used as a dye, specifically in the textile industry for coloring fabrics, due to its strong color and stability. It is also known for its potential applications in analytical chemistry as a reagent for the detection of certain metal ions. The disodium salt form indicates that it has two sodium ions associated with it, which can influence its solubility and reactivity in aqueous solutions.

7248-13-7

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7248-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7248-13-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,4 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7248-13:
(6*7)+(5*2)+(4*4)+(3*8)+(2*1)+(1*3)=97
97 % 10 = 7
So 7248-13-7 is a valid CAS Registry Number.

7248-13-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name sodium,8-amino-5-[[4-[4-[(4-amino-6-sulfonaphthalen-1-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-2-sulfonic 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

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More Details:7248-13-7 SDS

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