1-Naphthyl red hydrochloride
1-Naphthyl red hydrochloride (CAS 83833-14-1), a diazo dye with the molecular formula C6H5N=NC10H6NH2 · HCl and a molecular weight of 283.76 g/mol, is a versatile laboratory reagent. It is primarily utilised as a pH indicator and in various staining applications within biological and histological studies. Its distinctive colour change makes it valuable for titrations and microscopic visualisation.
- IUPAC
- 4-(Phenylazo)-1-naphthalenamine hydrochloride
- Synonyms
- 4-(Phenylazo)-1-naphthalenamine hydrochloride
pH Indicator
1-Naphthyl red hydrochloride functions as a pH indicator, exhibiting a colour change within a specific pH range. This property makes it useful for determining the endpoint in acid-base titrations and for general pH monitoring in laboratory settings.
Biological Staining
This compound is employed in cell biology and histology for staining purposes. It aids in the microscopic visualisation of cellular structures and tissues, contributing to diagnostic and research applications.
Research Reagent
As a fine chemical, 1-Naphthyl red hydrochloride serves as a reagent in diverse chemical research and analytical procedures, supporting investigations in various scientific disciplines.
| Molecular weight | 283.76 |
|---|---|
| Linear formula | C6H5N=NC10H6NH2 · HCl |
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.
| Absorption | λmax 440 nm |
|---|
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 1-Naphthyl red hydrochloride used for?
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1-Naphthyl red hydrochloride is primarily used as a pH indicator and in various staining applications within cell biology, hematology, and histology. It also functions as a general research reagent.
What are the CAS number and chemical formula for 1-Naphthyl red hydrochloride?
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The CAS number for 1-Naphthyl red hydrochloride is 83833-14-1, and its linear formula is C6H5N=NC10H6NH2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Naphthyl red hydrochloride as indicated by its specifications and typical usage in research. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated otherwise. Please refer to the product specifications for assay details.
What are the safety considerations for handling 1-Naphthyl red hydrochloride?
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1-Naphthyl red hydrochloride is classified with GHS07 (Warning) and carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is 1-Naphthyl red hydrochloride typically packed and shipped?
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As a global supplier, Tech Serve Solutions ensures that 1-Naphthyl red hydrochloride is appropriately packed and exported in compliance with international shipping regulations for chemicals.
How can I request a sample or a quote for 1-Naphthyl red hydrochloride?
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To request a sample or obtain a quotation for 1-Naphthyl red hydrochloride, please contact our sales department through the website or by phone, providing your specific requirements.
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