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2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis(phenylazo)- is a complex organic compound with the chemical formula C26H18N4O8S2. It is characterized by its naphthalene core, which has two sulfonic acid groups at the 2 and 7 positions, and two hydroxyl groups at the 4 and 5 positions. The molecule is further distinguished by the presence of two phenylazo groups attached to the 3 and 6 positions, which are phenyl rings with an azo group (-N=N-) connecting them to the naphthalene core. 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis(phenylazo)- is known for its potential applications in the synthesis of dyes and pigments due to its unique structure and properties.

7525-08-8

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7525-08-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7525-08-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,2 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7525-08:
(6*7)+(5*5)+(4*2)+(3*5)+(2*0)+(1*8)=98
98 % 10 = 8
So 7525-08-8 is a valid CAS Registry Number.

7525-08-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,5-dioxo-3,6-bis(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid

1.2 Other means of identification

Product number -
Other names 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3,6-bis(phenylazo)

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:7525-08-8 SDS

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