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4-Nitroaniline-3-sulfonic acid is an organic compound with the chemical formula C6H6N2O4S. It is a yellow crystalline solid that is soluble in water. 4-Nitroaniline-3-sulfonicacid is an important intermediate in the synthesis of various dyes, pharmaceuticals, and other chemical products. It is derived from aniline, a basic organic compound, by introducing a nitro group at the 4-position and a sulfonic acid group at the 3-position. The presence of these functional groups gives 4-nitroaniline-3-sulfonic acid unique properties, such as its reactivity and solubility, which make it valuable in various chemical processes.

551-91-7

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551-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 551-91-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,5 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 551-91:
(5*5)+(4*5)+(3*1)+(2*9)+(1*1)=67
67 % 10 = 7
So 551-91-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H6N2O5S/c7-4-1-2-5(8(9)10)6(3-4)14(11,12)13/h1-3H,7H2,(H,11,12,13)

551-91-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-amino-2-nitrobenzenesulfonic acid

1.2 Other means of identification

Product number -
Other names 4-Nitro-anilin-sulfonsaeure-(3)

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:551-91-7 SDS

551-91-7Relevant academic research and scientific papers

DISAZO COMPOUNDS AND THEIR USE IN INK-JET PRINTING

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Page/Page column 20, (2010/04/28)

A compound of Formula (1) or asalt thereof: wherein: X is N or C(CN); Z is optionally substituted naphthyl;and Ar is an aryl group carrying at least one nitro substituentand optionally one or more further substituents. Also compositions, inks, printing processes, printed material and ink-jet cartridges.

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