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7-[(3-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulphonic acid is a sulfonated naphthylamine dye with the molecular formula C16H13N2O5S. It features a naphthalene core with a hydroxyl group, a sulfonic acid group, and an amino-benzoyl amino group, which imparts it with a bright red color. This chemical compound is commonly utilized as a pH indicator in various applications due to its distinct color change properties.

118-50-3

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118-50-3 Usage

Uses

Used in Biological and Biochemical Research:
7-[(3-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulphonic acid is used as a pH indicator in biological and biochemical research for its ability to change color from red to yellow within the pH range of 6.8-8.0, and to maintain a bright red color at pH 4.2 or lower. This characteristic makes it a valuable tool for monitoring pH changes in various experimental conditions.
Used in Assay Development for Glucose and Lactate:
In the field of medical diagnostics, 7-[(3-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulphonic acid is used as a component in the development of assays for glucose and lactate. Its pH-sensitive properties allow for accurate measurements of these important metabolites, which are crucial for understanding metabolic processes and diagnosing certain health conditions.
Used in Urine Analysis for Albumin Detection:
7-[(3-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulphonic acid is also utilized as a reagent in urine analysis for the detection of albumin. Its color change capabilities enable the identification of albuminuria, a condition that can be indicative of kidney disease, providing a simple yet effective method for preliminary screening in clinical settings.

Check Digit Verification of cas no

The CAS Registry Mumber 118-50-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,1 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118-50:
(5*1)+(4*1)+(3*8)+(2*5)+(1*0)=43
43 % 10 = 3
So 118-50-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H14N2O5S/c18-12-3-1-2-10(6-12)17(21)19-13-4-5-15-11(7-13)8-14(9-16(15)20)25(22,23)24/h1-9,20H,18H2,(H,19,21)(H,22,23,24)

118-50-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 7-[(3-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulfonic acid

1.2 Other means of identification

Product number -
Other names 7-(3-Amino-benzoylamino)-4-hydroxy-naphthalin-2-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:118-50-3 SDS

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