Description

Phenothiazine is a versatile heterocyclic organic compound that serves as a foundational building block for numerous high-value derivatives. Its core value lies in its dual functionality as a potent antioxidant and a key intermediate in the synthesis of pharmaceuticals and agrochemicals. This product is essential for manufacturers in the pharmaceutical, polymer, and specialty chemical industries seeking reliable, high-purity raw materials for advanced synthesis and stabilization processes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of phenothiazine-class antipsychotic drugs (e.g., chlorpromazine, promethazine) and other active pharmaceutical ingredients (APIs).
• Polymer Antioxidant & Stabilizer: Used to inhibit thermal and oxidative degradation in polymers, synthetic rubbers, lubricants, and fuels, extending product lifespan.
• Agrochemical Synthesis: Serves as an intermediate in the production of certain dyes, pesticides, and veterinary medicines.
• Chemical Research & Development: Employed as a model compound and reagent in organic synthesis and material science research.
• Corrosion Inhibitor: Functions as an effective additive in industrial fluids and coatings to protect metal surfaces.

Basic Information

Product Name	Phenothiazine
CAS No.	92-84-2
Molecular Formula	C12H9NS
Molecular Weight	199.27 g/mol
Synonyms	Thiodiphenylamine; Dibenzothiazine; Phenthiazine; PTZ; 10H-Phenothiazine; 9H-Thioxanthene (isomer); NSC 6437; AI3-03118
EINECS	202-196-5

Quality Control

Our Phenothiazine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide full traceability and Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellowish to greenish-gray crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	180°C - 185°C
Loss on Drying	≤ 0.5%
Sulfated Ash	≤ 0.1%

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