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Photoinitiator CTX 2019-01-05T03:55:48+00:00

Photoinitiator CTX | CAS 86-39-5

2-Chlorothioxanthen-9-one 2-Chlorothioxanthen-9-one (CAS 86-39-5)

Product Information of 2-Chlorothioxanthen-9-one (CAS 86-39-5)


2-Chlorothioxanthen-9-one (2-Chlorothoxanthone or Photoinitiator CTX) acts as a photoinitiator used in food packaging inks. It has also been shown to affect the endoocrine system. It is the main photoproduct of chlorprothixene, an antipsychotic.

  • Product Name: 2-Chlorothioxanthen-9-one
  • Synonyms: 2-Chlorothoxanthone; Photoinitiator – CTX; Photoinitiator CTX; 2-CHLOROTHIOXANTHEN-9-ONE; 9H-THIOXANTHEN-9-ONE, 2-CHLORO-; 2-chloro-9H-Thioxanthen-9-one
  • CAS No: 86-39-5
  • EINECS No.: 201-667-2
  • Molecular Formula: C13H7ClOS
  • Molecular Weight: 246.7121 g/mol

Product specifications of 2-Chlorothioxanthen-9-one

Appearance Yellow powder
Assay ≥99%
Boiling Point 409.4°C at 760 mmHg
Melting Point 152.5-153.5 °C
Flash Point 196 °F
Packaging 20KG/Carton

Main applications of 2-Chlorothioxanthen-9-one

  1. Photoinitiator CTX is a photoinitiator used in food packaging inks.
  2. Used as a drug cloprofen intermediate.
  3. Pharmaceutical intermediate for the synthesis of tranquilizer Terden.

Storage Conditions: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

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