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4-amino-3-[(E)-phenyldiazenyl]naphthalene-1-sulfonic acid is a complex organic compound with the molecular formula C16H13N3O3S. It is characterized by a naphthalene core, which is a fused ring system consisting of two benzene rings. One of the rings features a sulfonic acid group (-SO3H) attached to the 1-position, which imparts acidic properties to the molecule. Additionally, an amino group (-NH2) is present at the 4-position, and a phenyldiazenyl group, which is a phenyl ring with a diazenyl (-N=N-) functional group, is attached to the 3-position. The (E)-configuration indicates the geometric isomerism of the double bond within the diazenyl group. 4-amino-3-[(E)-phenyldiazenyl]naphthalene-1-sulfonic acid is known for its potential applications in the synthesis of dyes and pigments, where its unique structure can contribute to specific color properties and stability.

7355-16-0

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7355-16-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7355-16-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,5 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7355-16:
(6*7)+(5*3)+(4*5)+(3*5)+(2*1)+(1*6)=100
100 % 10 = 0
So 7355-16-0 is a valid CAS Registry Number.

7355-16-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-amino-3-phenyldiazenylnaphthalene-1-sulfonic acid

1.2 Other means of identification

Product number -
Other names 4-Amino-3-phenylazo-naphthalin-1-sulfonsaeure

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:7355-16-0 SDS

7355-16-0Downstream Products

7355-16-0Relevant academic research and scientific papers

KINETICS AND MECHANISM OF THE AZO COUPLING REACTION OF 1-AMINONAPHTHALENE-4-SULFONIC ACID

Demian, Barbu A.,Exner, Otto,Sallo, Aurora

, p. 748 - 754 (2007/10/02)

Kinetics of the azo coupling reaction of 1-aminonaphthalene-4-sulfonic acid with nine substituted benzenediazonium chlorides was investigated at four temperatures.The results were processed in terms of the isokinetic relationship and of an isoparametric relationship with temperature and ? constant as independent variables.There is a great similarity to the coupling reaction of 1-hydroxynaphthalene-4-sulfonic acid; all the results are consistent with a cyclic transition state implying variable association of a water molecule.

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