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1-Naphtholbenzein - (1-Naphtholbenzein)

Category:

Finished Dosage

CAS NO:

N/A

Standard:

In-house Standards,

Price Range:

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Main Sales Markets:

North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

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Merck Chemicals (Shanghai) Co., Ltd.

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Is Manufacturer

YES

Samples Provided

YES

Product Description

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Merck Chemicals (Shanghai) Co., Ltd. is the subsidiary of the globally operating group Merck KGaA, Darmstadt (Germany) and provides Chinese market with high quality life science and chemical products and services

The contact persons for the specific product groups of the Chemicals businesses are listed on the website of Merck Group in China.

AI Product Description

*The following content is generated by AI and is for reference only.

1-Naphtholbenzein, also known as 1-naphthyl-2-(2-hydroxy-1-naphthyl)azo dye or simply naphtholbenzein, is a versatile azo dye primarily utilized in analytical chemistry and histology. Its most prominent application serves as a pH indicator, exhibiting a distinct color transition between yellow and red over a specific acidic range, typically around pH 5.0 to 6.4. This property makes it invaluable for titration processes requiring precise detection of endpoint shifts in moderately acidic solutions. Beyond its role as an indicator, the compound finds significant use in biological staining protocols. In histopathology, it acts as a selective stain for connective tissues, particularly highlighting collagen fibers and elastic fibers, thereby aiding in the microscopic examination of tissue architecture and pathological conditions. In industrial settings, 1-Naphtholbenzein is employed as a pigment in the formulation of specialized inks and coatings where specific hue characteristics are required. However, handling this chemical necessitates strict adherence to safety protocols due to its potential health hazards. It is generally classified as harmful if swallowed, inhaled, or absorbed through the skin. Prolonged exposure may cause irritation to the eyes, respiratory tract, and skin. Users must wear appropriate personal protective equipment, including chemical-resistant gloves, safety goggles, and lab coats, when manipulating the substance. Adequate ventilation is crucial to prevent the accumulation of dust or vapors in the workspace. Furthermore, storage should be conducted in a cool, dry, well-ventilated area away from incompatible oxidizing agents and strong acids to maintain stability and prevent accidental reactions. Disposal must follow local environmental regulations, ensuring that waste does not contaminate water systems or soil. While highly effective for its intended analytical and staining purposes, responsible management is essential to mitigate risks associated with human exposure and environmental impact. Always consult the specific Safety Data Sheet (SDS) provided by the manufacturer for detailed emergency procedures and first aid measures before use.