Sinocure Chemical Group Co.,Ltd.

Sinocure® Photoinitiator

Sinocure® CTX

Sinocure ®CTX can be used as a photoinitiator for UV curing systems and as an intermediate for pharmaceutical synthesis.

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SINOCURE®CTX

Chemical Name: 2-Chlorothioxanthone
CAS No: 86-39-5
Molecular Formula: C₁₃H₇ClOS

Molecular Structure:

SINOCURE® CTX (CAS 86-39-5) is a low-irritation II-type photoinitiator for UV adhesives, coatings, and pharmaceutical intermediates. Light brown powder, ≥98% purity.2-Chlorothioxanthone, II-type photoinitiator, pharmaceutical intermediate*

Overview
SINOCURE® CTX is a Type II free radical photoinitiator requiring co-initiators (e.g., amines) for hydrogen abstraction. It offers low odor and minimal skin irritation, making it suitable for UV systems in consumer-facing applications.

Key Specifications

Property Value
Appearance Light brown crystalline powder
Assay ≥98.0%
Melting Point 151.0–154.0°C

Applications

  • UV Curing: Inks, coatings, and adhesives for packaging and automotive industries.

  • Pharmaceuticals: Intermediate in drug synthesis.

Packaging & Storage

  • Packing: 20 kg/carton or 25 kg/drum.

  • Storage: Store in sealed containers away from light and moisture.

Storage:

Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.

Details

Chemical Name

2-Chlorothioxanthone

CAS No.

86-39-5

Molecular Formula

C13H7ClOS

Assay

98%min

Package

20kg/carton;25kg/Drum.

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