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406309

Sigma-Aldrich

1-Chloro-4-propoxy-9H-thioxanthen-9-one

97%

Synonym(s):

1-Chloro-4-propoxy-9H -thioxanthone, 1-Chloro-4-propoxythioxanthone

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About This Item

Empirical Formula (Hill Notation):
C16H13ClO2S
CAS Number:
142770-42-1
Molecular Weight:
304.79
MDL number:
MFCD00191928
UNSPSC Code:
12162002
PubChem Substance ID:
24865366
NACRES:
NA.23

Assay

97%

mp

99-103 °C (lit.)

SMILES string

CCCOc1ccc(Cl)c2C(=O)c3ccccc3Sc12

InChI

1S/C16H13ClO2S/c1-2-9-19-12-8-7-11(17)14-15(18)10-5-3-4-6-13(10)20-16(12)14/h3-8H,2,9H2,1H3

InChI key

VKQJCUYEEABXNK-UHFFFAOYSA-N

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL5207
MKCD5230
MKBW5862V
MKBV3342V
MKBS9933V

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Miguel A Lago et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 33(3), 518-529 (2016-01-21)
Since the UV ink photoinitiator (PI) isopropylthioxanthone (ITX) was discovered in packaged milk, studies of print contamination have focused primarily on PIs but have also included amine synergists. Many other substances are used or formed during the print process, yet

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