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4,5-dihydroxy-3-(4-nitrophenyl)azo-naphthalene-2,7-disulfonic acid is a complex organic compound with the molecular formula C18H13N3O10S2. It is characterized by the presence of two hydroxyl groups at the 4 and 5 positions, a nitro group attached to a phenyl ring, and an azo group connecting the phenyl ring to a naphthalene core. The molecule also features two sulfonic acid groups at the 2 and 7 positions, which contribute to its acidic properties. 4,5-dihydroxy-3-(4-nitrophenyl)azo-naphthalene-2,7-disulfonic acid is often used as a chromogenic agent in analytical chemistry for the detection and quantification of metal ions, particularly due to its ability to form colored complexes with these ions. Its structure allows for specific interactions with metals, making it a valuable tool in various colorimetric assays and tests.

4682-47-7

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4682-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4682-47-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,8 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4682-47:
(6*4)+(5*6)+(4*8)+(3*2)+(2*4)+(1*7)=107
107 % 10 = 7
So 4682-47-7 is a valid CAS Registry Number.

4682-47-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonic acid

1.2 Other means of identification

Product number -
Other names 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]

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:4682-47-7 SDS

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