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6-p-Toluidino-2-naphthalenesulfonic acid，potassium salt - 98%, high purity , CAS No.32752-10-6

COA

Grade & Purity:

≥98%

Cas Number: 32752-10-6
Molecular Weight: 351.46
PubChem CID: 23666335
PubChem SID: 488200423

In stock

Item Number

T275237

Grouped product items
SKU	Size	Availability	Price
T275237-100mg	100mg	3	$37.90
T275237-250mg	250mg	2	$83.90
T275237-1g	1g	1	$300.90

Fluorescent probe for protein conformational studies and hydrophobicity measurement

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Aromatic hydrocarbons (10)

Basic Description

Synonyms	DTXSID10954404 \| Potassium 6-(4-methylanilino)naphthalene-2-sulfonate \| 6-(p-Toluidino)-2-naphthalenesulfonic acid, potassium salt \| A821395 \| Potassium 6-(p-tolylamino)naphthalene-2-sulfonate \| potassium 6-[(4-methylphenyl)amino]naphthalene-2-sulfonate \|
Specifications & Purity	≥98%
Biochemical and Physiological Mechanisms	Fluorescent probe for measuring protein conformational changes and quantitative\xa0measurement of protein hydrophobicity processes that modify the exposure of the probe to water.\xa0Essentially\xa0nonfluorescent in water.
Storage Temp	Store at 2-8°C,Protected from light,Desiccated
Shipped In	Wet ice This product requires cold chain shipping. Ground and other economy services are not available.
Note	Refer to SDS for further information Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Product Description	Shipped at 4°C. Store at +4°C. Store In the Dark. Store under desiccating conditions.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Benzenoids
  - Class Naphthalenes
    - Subclass Naphthalene sulfonic acids and derivatives
      - Level5 Naphthalene sulfonates
        Level6 2-naphthalene sulfonates

Kingdom	Organic compounds
Superclass	Benzenoids
Class	Naphthalenes
Subclass	Naphthalene sulfonic acids and derivatives
Intermediate Tree Nodes	Naphthalene sulfonates
Direct Parent	2-naphthalene sulfonates
Alternative Parents	2-naphthalene sulfonic acids and derivatives 1-sulfo,2-unsubstituted aromatic compounds Aniline and substituted anilines Aminotoluenes Primary aromatic amines Sulfonyls Organosulfonic acids Secondary amines Organic potassium salts Organic oxides Hydrocarbon derivatives Organic cations
Molecular Framework	Aromatic homopolycyclic compounds
Substituents	2-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Aminotoluene - Aniline or substituted anilines - Toluene - Monocyclic benzene moiety - Primary aromatic amine - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Secondary amine - Organic alkali metal salt - Organic potassium salt - Organic salt - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Amine - Organic nitrogen compound - Organic cation - Aromatic homopolycyclic compound
Description	This compound belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	488200423
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488200423
IUPAC Name	potassium;6-(4-methylanilino)naphthalene-2-sulfonate
INCHI	InChI=1S/C17H15NO3S.K/c1-12-2-6-15(7-3-12)18-16-8-4-14-11-17(22(19,20)21)9-5-13(14)10-16;/h2-11,18H,1H3,(H,19,20,21);/q;+1/p-1
InChIKey	GVDCHDBOXJUSDZ-UHFFFAOYSA-M
Smiles	CC1=CC=C(C=C1)NC2=CC3=C(C=C2)C=C(C=C3)S(=O)(=O)[O-].[K+]
Isomeric SMILES	CC1=CC=C(C=C1)NC2=CC3=C(C=C2)C=C(C=C3)S(=O)(=O)[O-].[K+]
PubChem CID	23666335
Molecular Weight	351.46

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

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8 results found

Lot Number	Certificate Type	Date	Item
C2528291	Certificate of Analysis	Apr 11, 2025	T275237
E2322252	Certificate of Analysis	Apr 11, 2024	T275237
I2414029	Certificate of Analysis	Mar 21, 2024	T275237
E2322238	Certificate of Analysis	Mar 21, 2024	T275237
E2322231	Certificate of Analysis	Mar 21, 2024	T275237
E2322243	Certificate of Analysis	Mar 21, 2024	T275237
E2322253	Certificate of Analysis	Mar 07, 2024	T275237
E2322235	Certificate of Analysis	Mar 07, 2024	T275237

Chemical and Physical Properties

Solubility	Soluble in DMSO and in water
Sensitivity	Moisture & Light Sensitive
Molecular Weight	351.500 g/mol
XLogP3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	3
Exact Mass	351.033 Da
Monoisotopic Mass	351.033 Da
Topological Polar Surface Area	77.600 Å²
Heavy Atom Count	23
Formal Charge	0
Complexity	471.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	2

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