2-Amino-1-naphthalenesulfonic acid
2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) is an organic compound with the formula H2NC10H6SO3H. It functions as a key building block in organic synthesis. Primarily utilised in the preparation of specialised chemical intermediates, it serves as a versatile reagent in the chemical industry. Its structure, featuring both an amino and a sulfonic acid group on a naphthalene core, allows for diverse chemical modifications.
- IUPAC
- 2-Naphthylamine-1-sulfonic acid,Tobias acid
- Synonyms
- 2-Naphthylamine-1-sulfonic acidTobias acid
Intermediate in Organic Synthesis
2-Amino-1-naphthalenesulfonic acid serves as a precursor in the synthesis of more complex organic molecules. Its reactive functional groups enable its use in various coupling and derivatisation reactions.
Preparation of Heterocyclic Compounds
This compound has been documented for its use in the preparation of heterocyclic structures, such as 2-(2-naphthylamino)benzoxazole, through reactions with appropriate reagents like 2-chlorobenzoxazole.
Dye and Pigment Precursor
As a naphthalene derivative with an amino group, it can potentially serve as an intermediate in the synthesis of azo dyes and other colorants, leveraging the reactivity of the amino group in diazotisation reactions.
| Molecular weight | 223.25 |
|---|---|
| Linear formula | H2NC10H6SO3H |
| Assay | 98% |
| Application | 2-Amino-1-naphthalenesulfonic acid has been used in the preparation of 2-(2-naphthylamino)benzoxazole by reacting with 2-chlorobenzoxazole1. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Amino-1-naphthalenesulfonic acid used for?
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2-Amino-1-naphthalenesulfonic acid is primarily used as a building block in organic synthesis, including the preparation of heterocyclic compounds like 2-(2-naphthylamino)benzoxazole, and potentially as a precursor for dyes and pigments.
What is the CAS number and chemical formula for 2-Amino-1-naphthalenesulfonic acid?
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The CAS number is 81-16-3 and the chemical formula is H2NC10H6SO3H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-1-naphthalenesulfonic acid with an assay of 98%. This is a technical/research grade and not represented as USP, BP, EP, or any pharmacopoeia standard.
How should 2-Amino-1-naphthalenesulfonic acid be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) is recommended. Refer to the Safety Data Sheet for detailed guidance.
Is 2-Amino-1-naphthalenesulfonic acid a controlled substance?
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The provided data does not indicate that 2-Amino-1-naphthalenesulfonic acid is a controlled substance.
How is 2-Amino-1-naphthalenesulfonic acid packed, shipped, and exported?
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Tech Serve Solutions specialises in the global supply and export of chemicals. Specific packing and shipping details for 2-Amino-1-naphthalenesulfonic acid will be provided upon request, adhering to all relevant regulations.
How can I request a sample or quote for 2-Amino-1-naphthalenesulfonic acid?
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Please contact our sales team via the website or direct inquiry channels to request a sample or a quotation for 2-Amino-1-naphthalenesulfonic acid.
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