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6,8-dianilinonaphthalene-1-sulphonic acid is a chemical compound with the formula C20H15NO3S. It is an aromatic compound characterized by the presence of two aniline groups and a naphthalene backbone, with a sulfonic acid group attached at the 1-position. 6,8-dianilinonaphthalene-1-sulphonic acid is known for its strong fluorescent properties, making it a versatile tool in various scientific applications.

129-93-1

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Basic information
1. Product Name: 6,8-dianilinonaphthalene-1-sulphonic acid
2. Synonyms: 6,8-dianilinonaphthalene-1-sulphonic acid;6,8-bis(phenylamino)naphthalene-1-sulfonic acid;6,8-Dianilino-1-naphthalenesulfonic acid;1,3-Bis(phenylamino)-8-naphthalenesulfonic acid;1,3-Bis(phenylamino)naphthalene-8-sulfonic acid;6,8-Bis(phenylamino)-1-naphthalenesulfonic acid;Diphenyl epsilon acid;6,8-bis(anilino)naphthalene-1-sulfonic acid
3. CAS NO:129-93-1
4. Molecular Formula: C₂₂H₁₈N₂O₃S
5. Molecular Weight: 390.45492
6. EINECS: 204-970-8
7. Product Categories: N/A
8. Mol File: 129-93-1.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.402 g/cm³
6. Refractive Index: 1.732
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 6,8-dianilinonaphthalene-1-sulphonic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 6,8-dianilinonaphthalene-1-sulphonic acid(129-93-1)
11. EPA Substance Registry System: 6,8-dianilinonaphthalene-1-sulphonic acid(129-93-1)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 129-93-1(Hazardous Substances Data)

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Usage
SDS
Synthetic route
Upstream product
Downstream Products

129-93-1 Suppliers

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129-93-1 Usage

Uses

Used in Fluorescence Probing:
6,8-dianilinonaphthalene-1-sulphonic acid is used as a fluorescence probe in biological and chemical studies for its strong fluorescent properties. It aids in visualizing and tracking specific molecules or processes within complex systems.
Used as a pH Indicator:
Due to its sensitivity to pH changes, 6,8-dianilinonaphthalene-1-sulphonic acid is utilized as a pH indicator. It can be used to measure and monitor the acidity or alkalinity of solutions in various applications, including environmental testing and chemical analysis.
Used in the Production of Dyes and Pigments:
6,8-dianilinonaphthalene-1-sulphonic acid is employed in the manufacturing process of dyes and pigments. Its chemical structure and properties contribute to the color and stability of these products, which are used in various industries such as textiles, paints, and plastics.
Used in Research and Analytical Applications:
In research and analytical fields, 6,8-dianilinonaphthalene-1-sulphonic acid is used to detect and measure the presence of certain compounds in various substances. Its fluorescent properties allow for sensitive and specific detection methods, enhancing the accuracy of analytical techniques.
Used in Pharmaceutical and Biomedical Research:
6,8-dianilinonaphthalene-1-sulphonic acid may also be utilized in pharmaceutical and biomedical research for the development of new drugs and diagnostic tools. Its fluorescent properties can be harnessed to study drug interactions, cellular processes, and disease mechanisms.
Used in Environmental Monitoring:
6,8-dianilinonaphthalene-1-sulphonic acid can be applied in environmental monitoring to detect pollutants or contaminants in water, soil, and air samples. Its use as a pH indicator and its ability to bind with certain compounds make it a valuable tool for assessing environmental health and safety.

Check Digit Verification of cas no

The CAS Registry Mumber 129-93-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,2 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129-93:
(5*1)+(4*2)+(3*9)+(2*9)+(1*3)=61
61 % 10 = 1
So 129-93-1 is a valid CAS Registry Number.

InChI:InChI=1/C22H18N2O3S/c25-28(26,27)21-13-7-8-16-14-19(23-17-9-3-1-4-10-17)15-20(22(16)21)24-18-11-5-2-6-12-18/h1-15,23-24H,(H,25,26,27)

129-93-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	6,8-dianilinonaphthalene-1-sulfonic acid

1.2 Other means of identification

Product number	-
Other names	6,8-dianilino-naphthalene-1-sulfonic acid

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:129-93-1 SDS

129-93-1Synthetic route

: 129-91-9
1-naphthylamine-3,8-disulfonic acid

: 142-04-1
aniline hydrochloride

: 62-53-3
aniline

: 129-93-1
6,8-dianilino-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
at 150 - 170℃;

: 129-91-9
1-naphthylamine-3,8-disulfonic acid

: 62-53-3
aniline

: 129-93-1
6,8-dianilino-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
With aniline hydrochloride at 150 - 170℃;

: 129-93-1
6,8-dianilino-naphthalene-1-sulfonic acid

: 100-34-5
benzene diazonium chloride

: 5-anilino-benzo[a]phenazine-4-sulfonic acid

Conditions

Conditions	Yield
With ethanol Reduktion des enstandenen Azofarbstoffes mit Eisen oder Zinkstaub und nachfolgenden Einleiten von Luft in die mit Ammoniak versetzte Reaktions-Loesung;
With acetic acid Reduktion des enstandenen Azofarbstoffes mit Eisen oder Zinkstaub und nachfolgenden Einleiten von Luft in die mit Ammoniak versetzte Reaktions-Loesung;