 Home > Chemical Reagents > Organic Reagents > 1-Chloro-4-propoxythioxanthone for Sale > 1-Chloro-4-propoxythioxanthone CPTX CAS 142770-42-1 Min 99% Purity, UV Photoinitiator for Coating & Printing Ink

1-Chloro-4-propoxythioxanthone CPTX CAS 142770-42-1 Min 99% Purity, UV Photoinitiator for Coating & Printing Ink

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CAS No.:

142770-42-1

Port:

shanghai

Packaging:

25g/100g/500g/1kg aluminum foil sealed plastic bottles / brown light-proof reagent bottles, individually vacuum moisture-proof packed with outer shipping cartons

Price valid (until):

2026-08-13

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Shanghai Jianqi Chemical Company

Company Type:

Trader

Location:

China

Average Lead Time:

10 days

Qualification:

Main Products:

chemical raw materials

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Product Introduction
1-Chloro-4-propoxythioxanthone (CPTX) is a second-generation Type II thioxanthone UV photoinitiator with a purity of over 99%. It has an absorption wavelength of 385 nm and is compatible with long-wave UV curing systems, serving as a mainstream photoinitiator raw material for high-end coatings and printing inks. This product is not a controlled precursor for drugs, pesticides or pharmaceuticals. It is non-flammable, non-explosive and non-strongly corrosive, and can be exported compliantly to all countries worldwide.

Items	Specifications

Basic Info

Product Name:

1-Chloro-4-propoxythioxanthone

Other Name:

9H-Thioxanthen-9-one,1-chloro-4-propoxy-;1-Chloro-4-propoxy-9H-thioxanthen-9-one;1-Chloro-4-propoxythioxanthone;Kayacure CPTX;Quantacure CPTX;Speedcure CPTX;1-Chloro-4-propoxy-9H-thioxanthone;CPTX;Runtecure 1108;1-Chloro-4-propoxy-9H-thioxanthen-9-one;Irgacure CPTX

CAS No.:

142770-42-1

Molecular Formula:

C16H13ClO2S

InChIKeys:

InChIKey=VKQJCUYEEABXNK-UHFFFAOYSA-N

Molecular Weight:

304.79

Exact Mass:

304.79

EC Number:

604-308-1

Categories:

Organic Reagents

Characteristics

PSA:

51.6

XLogP3:

Density:

1.319±0.06 g/cm3(Predicted)

Melting Point:

99-103 °C(lit.)

Boiling Point:

467.4±45.0 °C(Predicted)

Flash Point:

99-103ºC(lit.)

Refractive Index:

1.637

See More 1-Chloro-4-propoxythioxanthone Properties 

Hazard Identification

Classification of the substance or mixture

no data available

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	no data available
Signal word	no data available
Hazard statement(s)	no data available
Prevention	no data available
Response	no data available
Storage	no data available
Disposal	no data available

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 1-Chloro-4-propoxythioxanthone Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
chemical raw materials

Location:
Building 1, Unit 5, Room 313, Building L, No. 688 Qiushi Road, Jinshuiwei Town, Jinshan District, Shanghai

Average lead Time:
10 days

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2019

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	1-Chloro-4-propoxythioxanthone	1 KG	Jul 11, 2026

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high purity hot sale 1-Chloro-4-Propoxy-9H-Thioxanthen-9-One 99% high quality see COA KANBEI	Industrial Grade/99		Henan Lihao Chem Plant Limited	Inquiry

1-Chloro-4-propoxythioxanthone CPTX CAS 142770-42-1 Min 99% Purity, UV Photoinitiator for Coating & Printing Ink

Product Description

Seller Information