4-Amino-1-naphthol hydrochloride
4-Amino-1-naphthol hydrochloride (CAS: 5959-56-8; Formula: H₂NC₁₀H₆OH · HCl; Molar Mass: 195.65) is a naphthol derivative supplied by Tech Serve Solutions. This chemical compound serves as a valuable building block in organic synthesis. Its primary applications are in the creation of complex organic molecules and derivatives, making it a useful reagent for researchers and chemical manufacturers.

Organic Synthesis Intermediate
4-Amino-1-naphthol hydrochloride is employed as a key intermediate in the synthesis of various organic compounds. It has been utilised in the preparation of complex heterocyclic structures and functionalised naphthol derivatives.
Preparation of Triazine Derivatives
This compound has been used in the synthesis of specific triazine derivatives, such as 2-(3-aminophenol)-6-(4-amino-1-naphthol)-4-chloro-s-triazine, demonstrating its utility in constructing molecules with diverse functional groups.
Synthesis of Functionalised Naphthols
It serves as a precursor for the development of 4-aminoalkyl-1-naphthol derivatives, highlighting its role in generating specialised naphthol-based compounds for research purposes.
| Molecular weight | 195.65 |
|---|---|
| Linear formula | H2NC10H6OH · HCl |
| Assay | 90% |
| Grade | technical grade |
| Application | 4-Amino-1-naphthol hydrochloride was used in the synthesis of 2-(3-aminophenol)-6-(4-amino-1-naphthol)-4-chloro-s-triazine1. It was used in the synthesis of 4-aminoalkyl-1-naphthol derivatives2. |
| Melting point | 273 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 4-Amino-1-naphthol hydrochloride used for?
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4-Amino-1-naphthol hydrochloride is used as a building block and intermediate in organic synthesis, including the preparation of triazine derivatives and functionalised naphthols.
What is the CAS number and molecular formula for 4-Amino-1-naphthol hydrochloride?
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The CAS number is 5959-56-8, and the molecular formula is H₂NC₁₀H₆OH · HCl.
What grade and purity does Tech Serve Solutions supply for 4-Amino-1-naphthol hydrochloride?
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Tech Serve Solutions supplies 4-Amino-1-naphthol hydrochloride in technical grade with an assay of 90%. We do not represent this product as USP, BP, or EP grade.
How should 4-Amino-1-naphthol hydrochloride be handled safely?
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4-Amino-1-naphthol hydrochloride is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), wear eyeshields and gloves. Ensure good ventilation. Avoid breathing dust.
Does TSS export 4-Amino-1-naphthol hydrochloride?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Amino-1-naphthol hydrochloride.
How can I request a sample or quote for 4-Amino-1-naphthol hydrochloride?
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To request a sample or quote, please contact our sales team via the website or by phone. Please specify the quantity required and your delivery location.
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