Description

Pararosaniline Acetate is a high-purity organic salt of the classic triphenylmethane dye, pararosaniline. This compound is valued for its role as a critical staining reagent and a versatile chemical intermediate in advanced research and manufacturing. It is essential for professionals in the life sciences, analytical chemistry, and specialty chemical synthesis sectors who require a reliable and consistent reagent for precise applications.

Application

• Biological Staining: A key component in specialized histological and cytological stains, including the preparation of Schiff's reagent for detecting aldehydes (PAS staining) in polysaccharides, glycoproteins, and mucins.
• Analytical Chemistry: Used as a sensitive colorimetric reagent for the detection and quantification of trace elements, sulfur dioxide, and aldehydes in various sample matrices.
• Chemical Synthesis: Serves as a fundamental precursor or intermediate in the synthesis of more complex dyes, pigments, and photoactive compounds.
• Microscopy & Diagnostics: Employed in staining protocols for microscopy to enhance contrast and visualize specific cellular structures in pathological and research settings.
• Research & Development: Utilized in academic and industrial R&D for developing new analytical methods, sensor technologies, and functional materials.

Basic Information

Product Name	Pararosaniline Acetate
CAS No.	6035-94-5
Molecular Formula	C21H21N3O2 • C2H4O2 (commonly noted as C23H25N3O4)
Molecular Weight	407.47 g/mol
Synonyms	Basic Red 9 Monohydrochloride (acetate salt); Pararosaniline Acetate Salt; 4-[(4-Aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]benzenamine acetate; Magenta 0 Acetate; Parafuchsin Acetate; C.I. 42500; Basic Fuchsin Acetate Salt
EINECS	Contact for details

Quality Control

Our Pararosaniline Acetate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all test results are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark green to greenish-black crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Solubility	Soluble in water and ethanol

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.