Description

Hematoxylin CAS NO 1412-19-7 is a natural organic compound and a classical histological stain derived from the heartwood of the logwood tree. It serves as the essential precursor for the preparation of hematoxylin solutions, which are fundamental to biological and pathological staining. This product is critical for professionals in histology, pathology, and cytology who require consistent, high-quality staining for microscopic tissue analysis and diagnostic procedures.

Application

Hematoxylin is a cornerstone reagent in life science research and medical diagnostics. Its primary and derived applications include:

• Histological Staining: As the key component in hematoxylin and eosin (H&E) staining, the most widely used technique for visualizing tissue morphology in pathology.
• Cytological Staining: For staining cell nuclei in smear preparations, such as Pap smears, to aid in cancer screening.
• Educational and Research Laboratories: Used in academic and R&D settings for teaching and investigative studies in biology and medicine.
• Preparation of Staining Solutions: Manufacturing of ready-to-use or concentrated hematoxylin solutions for clinical and industrial laboratories.
• Special Staining Techniques: Component in more complex staining protocols like Masson's trichrome and iron hematoxylin stains.
• Quality Control in Dye Production: Serves as a reference standard for the quality assurance of biological stains and dyes.

Basic Information

Product Name	Hematoxylin
CAS No.	1412-19-7
Molecular Formula	C16H14O6
Molecular Weight	302.28 g/mol
Synonyms	Natural Black 1; C.I. 75290; Hematoxiline; Hydroxybrasilin; 7,11b-Dihydrobenz[b]indeno[1,2-d]pyran-3,4,6a,9,10(6H)-pentol; (6aS,11bR)-7,11b-Dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol; Haematoxylin
EINECS	215-798-9

Quality Control

Our Hematoxylin is produced and tested to meet high-purity standards suitable for diagnostic and research applications. We employ rigorous analytical methods including HPLC and spectrophotometry to ensure batch-to-batch consistency and performance in staining. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and performance characteristics is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, prolonged exposure to light and air should be avoided to maintain stability and staining efficacy.

Specification

Item	Specification
Appearance	Light yellow to tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in alcohol, sparingly soluble in water
Staining Performance	Meets biological staining test

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