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2-Amino-1-naphthalenesulfonic acid structure
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2-Amino-1-naphthalenesulfonic acid

TL;DR: 2-Amino-1-naphthalenesulfonic acid (CAS 81-16-3) is a chemical compound with molecular formula C10H9NO3S and molecular weight 223.03032 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.

2-aminonaphthalene-1-sulfonic acid

Also Known As: Tobias acid, 2-aminonaphthalene-1-sulfonic acid, 2-Naphthylamine-1-sulfonic acid, 2-AMINO-1-NAPHTHALENESULFONIC ACID, Kyselina tobiasova

CAS Number
81-16-3
Molecular Formula
C10H9NO3S
Molecular Weight
223.03032 g/mol
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Application Areas

Top 5 of 21 IPC patent classification(s) from the SureChEMBL global patent database.

Agrochemicals (3 patents) Analytical Reagents (143 patents) Biotechnology (58 patents) Catalysts (12 patents) Coatings & Adhesives (136 patents)

Technical Specifications

Molecular FormulaC10H9NO3S
Molecular Weight223.03032 g/mol
XLogP1.8
Topological Polar Surface Area (TPSA)88.8 Ų
Hydrogen Bond Donors2
Hydrogen Bond Acceptors4
Rotatable Bonds1
Exact Mass223.03032 Da
Heavy Atoms15
Complexity322.0
SolubilitySlightly sol in cold water; more sol in hot water; very slightly sol in alcohol, ether
SMILESC1=CC=C2C(=C1)C=CC(=C2S(=O)(=O)O)N
InChIKeyGWIAAIUASRVOIA-UHFFFAOYSA-N

Product Description

Applications: 2-Amino-1-naphthalenesulfonic acid is used in dye and pigment synthesis and coloration chemistry, as well as textile processing, dyeing, and finishing operations. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies 2-Amino-1-naphthalenesulfonic acid (CAS 81-16-3) with custom synthesis available from milligram to multi-kilogram scale, supported by COA, MSDS, and HPLC/NMR/MS documentation.

2-Amino-1-naphthalenesulfonic acid (CAS 81-16-3) is a dye and pigment intermediate with the molecular formula C10H9NO3S and a molecular weight of 223.03 g/mol. Key physical properties include a solubility: Slightly sol in cold water; more sol in hot water; very slightly sol in alcohol, ether. It is also known as Tobias acid and 2-aminonaphthalene-1-sulfonic acid.

Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.

Chemical Property Profile of 2-Amino-1-naphthalenesulfonic acid

XLogP
1.8
TPSA (Topological Polar Surface Area)
88.8
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
4
Rotatable Bonds
1
Heavy Atoms
15
Complexity
322.0
Exact Mass
223.03032
Monoisotopic Mass
223.03032
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of 2-Amino-1-naphthalenesulfonic acid

The XLogP value of 1.8 suggests moderate lipophilicity, balancing water solubility and membrane permeability for 2-Amino-1-naphthalenesulfonic acid. The TPSA of 88.8 Ų falls within the moderate polarity range, balancing permeability and solubility for 2-Amino-1-naphthalenesulfonic acid. Following Lipinski's Rule of Five, 2-Amino-1-naphthalenesulfonic acid has 2 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the CAS number of 2-Amino-1-naphthalenesulfonic acid?

The CAS number of 2-Amino-1-naphthalenesulfonic acid is 81-16-3.

What is the molecular formula of 2-Amino-1-naphthalenesulfonic acid?

The molecular formula of 2-Amino-1-naphthalenesulfonic acid is C10H9NO3S.

What is the molecular weight of 2-Amino-1-naphthalenesulfonic acid?

The molecular weight of 2-Amino-1-naphthalenesulfonic acid is 223.03032 g/mol.

What are the applications of 2-Amino-1-naphthalenesulfonic acid?

2-Amino-1-naphthalenesulfonic acid is used in dye and pigment synthesis and coloration chemistry, as well as textile processing, dyeing, and finishing operations. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies 2-Amino-1-naphthalenesulfonic acid (CAS...

Where can I buy 2-Amino-1-naphthalenesulfonic acid?

You can request a quote for 2-Amino-1-naphthalenesulfonic acid directly from CoreyChem. Contact us or email [email protected] for pricing and availability.

Does CoreyChem offer custom synthesis for 2-Amino-1-naphthalenesulfonic acid?

Yes, CoreyChem provides custom synthesis services for 2-Amino-1-naphthalenesulfonic acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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