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5-(4-AMINO-PHENYLAZO)-2-HYDROXY-BENZOIC ACID, also known as 4'-Amino-4-hydroxy-3-carboxyazobenzene or Acid Red 3, is a synthetic organic compound with the chemical formula C12H10N4O5. It belongs to the azo dye class and is characterized by its vivid red color and its azo structure, which consists of two nitrogen atoms linked by a double bond (-N=N-). 5-(4-AMINO-PHENYLAZO)-2-HYDROXY-BENZOIC ACID is widely used for its ability to impart color to a variety of products.

101-51-9

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101-51-9 Usage

Uses

Used in Textile Industry:
5-(4-AMINO-PHENYLAZO)-2-HYDROXY-BENZOIC ACID is used as a red dye for coloring textiles, providing a vibrant and long-lasting color to fabrics.
Used in Food Industry:
5-(4-AMINO-PHENYLAZO)-2-HYDROXY-BENZOIC ACID is used as a colorant in the food industry, adding a visually appealing red hue to various food products.
However, it's important to note that certain azo dyes, including 5-(4-AMINO-PHENYLAZO)-2-HYDROXY-BENZOIC ACID, have been associated with health concerns, leading to regulatory restrictions in some regions. This is due to the potential for some azo dyes to release harmful aromatic amines when they break down in the body, which can cause adverse health effects. As a result, the use of 5-(4-AMINO-PHENYLAZO)-2-HYDROXY-BENZOIC ACID in consumer products is subject to strict regulations and safety assessments to ensure its safe application.

Check Digit Verification of cas no

The CAS Registry Mumber 101-51-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,0 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 101-51:
(5*1)+(4*0)+(3*1)+(2*5)+(1*1)=19
19 % 10 = 9
So 101-51-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H11N3O3/c14-8-1-3-9(4-2-8)15-16-10-5-6-12(17)11(7-10)13(18)19/h1-7,15H,14H2,(H,18,19)/b16-10+

101-51-9SDS

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 (3E)-3-[(4-aminophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic 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

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:101-51-9 SDS

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