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Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone structure

CAS No.: 13108-52-6

Chemical Name:: Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone

Synonyms: 2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine;Davicil;Dowicil S-13;tetrachloromethylsulfonylpyridine;TETRACHLOROMETHYLSULPHONYLPYRIDINE;Tetrachloromethanesulfonylpyridine;2,3,5,6-Tetrachloro-4-mesylpyridine;Tetrachloro-4-(methylsulfonyl)pyridine;METHYL 2,3,5,6-TETRACHLORO-4-PYRIDYL SULFONE;Methyl-2,3,5,6-tetrachloro sulfonyl pyridine

CBNumber:: CB5237258

Molecular Formula:: C6H3Cl4NO2S

Molecular Weight:: 294.97

MDL Number:: MFCD00054553

MOL File:: 13108-52-6.mol

TDS File:: TDS

Last updated:2026-06-24 18:39:39

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Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone Properties

Melting point	148 °C
Boiling point	451.1±45.0 °C(Predicted)
Density	1.712±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
pka	-7.71±0.50(Predicted)
form	powder to crystal
color	White to Light yellow to Light orange
Indirect Additives used in Food Contact Substances	2,3,5,6-TETRACHLORO-4-(METHYLSULFONYL) PYRIDINE
FDA 21 CFR	175.105
FDA UNII	92AGR11YJB
EPA Substance Registry System	2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine (13108-52-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H312-H317-H319

Precautionary statements

P264-P270-P301+P312-P330-P501-P280-P302+P352-P312-P322-P363-P501-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P264-P280-P305+P351+P338-P337+P313P

Hazard Codes

Risk Statements

21/22-36-43

Safety Statements

26-28

TSCA

TSCA listed

HS Code

2933.39.2100

NFPA 704

	0
2		0

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone price More Price(37)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	T3670	2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine	13108-52-6	1G	$27	2026-04-30	Buy
TCI Chemical	T3670	2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine	13108-52-6	5G	$139	2026-04-30	Buy
Biosynth	FT11714	2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine	13108-52-6	1g	$150	2026-06-04	Buy
Biosynth	FT11714	2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine	13108-52-6	2g	$172.78	2026-06-04	Buy
Biosynth	FT11714	2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine	13108-52-6	5g	$259.15	2026-06-04	Buy

Product number	Packaging	Price	Buy
T3670	1G	$27	Buy
T3670	5G	$139	Buy
FT11714	1g	$150	Buy
FT11714	2g	$172.78	Buy
FT11714	5g	$259.15	Buy

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone Chemical Properties, Uses, Production

Chemical Properties

Yellow solid

Uses

2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine is an antifouling biocide.

Synthesis

2,3,5,6-tetrachloro-4-(methylthio)pyridine

22963-62-8

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone

13108-52-6

General procedure for the synthesis of 2,3,5,6-tetrachloro-4-(methylsulfonyl)pyridine from 2,3,5,6-tetrachloro-4-(methylsulfonyl)pyridine: 2,3,5,6-tetrachloro-4-mercapto-pyridine (10 g, 38.0 mmol) was dissolved in dichloromethane (DCM) (80 mL), and cooled in an ice water bath. M-chloroperoxybenzoic acid (14.4 g) was added in three batches over 15 minutes, with each batch evenly spaced. The reaction solution was stirred and reacted at room temperature for 3 h. The complete reaction of the raw material was confirmed by GC assay. After the reaction was completed, the reaction solution was washed with saturated sodium carbonate solution (2×20 mL), the organic phase was dried with anhydrous sodium sulfate, filtered and concentrated under reduced pressure to obtain the crude product. To the crude product was added ethanol (5 mL), filtered and dried to obtain 2,3,5,6-tetrachloro-4-(methylsulfonyl)pyridine (10.8 g, 96% yield).

References

[1] Patent: CN106478494, 2017, A. Location in patent: Paragraph 0019; 0022; 0025; 0028; 0031; 0035; 0040; 0041

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone Preparation Products And Raw materials

Raw materials

2,3,5,6-tetrachloro-4-(methylthio)pyridine 3-Chloroperoxybenzoic acid Dichloromethane

Preparation Products

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone Suppliers

Global Suppliers ( 109)

Supplier	Tel	Email	Country	ProdList	Advantage
INTATRADE GmbH	+49 3493/605464	sales@intatrade.de	Germany	3563	66
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
Shanghai Worldyang Chemical Co.,Ltd.	021-56795766	sales@worldyachem.com	China	9475	58
Chizhou Kailong Import and Export Trade Co., Ltd.		xg01_gj@163.com	China	9413	50
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60
parabiochem	025-83453382-8005	sale@parabiochem.com	China	9577	55
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Guangzhou Kafen Biotech Co.,Ltd	18029243487 2355327168	gy@yccreate.com	China	4738	55
Aikon International Limited	025-66061636 19370895928	qqyang@aikonchem.com	China	15810	58

Supplier	Advantage
INTATRADE GmbH	66
Adamas Reagent, Ltd.	59
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
Shanghai Worldyang Chemical Co.,Ltd.	58
Chizhou Kailong Import and Export Trade Co., Ltd.	50
Shanghai YuanYe Biotechnology Co., Ltd.	60
parabiochem	55
Amadis Chemical Company Limited	58
Guangzhou Kafen Biotech Co.,Ltd	55
Aikon International Limited	58

View Latest Price from Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2021-07-02	Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone 13108-52-6	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd
	2019-12-26	Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone 13108-52-6	$1.00	1KG	99%		Career Henan Chemical Co

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone
13108-52-6
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone
13108-52-6
$1.00
99%
Career Henan Chemical Co

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1of4

2,3,5,6-Tetrochloro-4-(methylsulfonyl)pyridine Pyridine, 2,3,5,6-tetrachloro-4-(methylsulfonyl)- TETRACHLOROMETHYLSULPHONYLPYRIDINE 2,3,5,6-tetrachloro-4-(methylsulfonyl)-pyridin 4-(methylsulfonyl)-2,3,5,6-tetrachloro-pyridin 4-(methylsulfonyl)-2,3,5,6-tetrachloropyridine tetrachloromethylsulfonylpyridine methyl-2,3,5,6-tetrachloro-4-pyridylsulphone 2,3,5,6-tetrachloro-4-(methylsulphonyl)pyridine 2,3,5,6-Tetrachloro-4-mesylpyridine Dowicil S-13 2,3,5,6-tetrachloro-4-Methanesulfonylpyridine Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone 2,3,5,6-Tetrachloro-4-(methylsulphonyl)pyridine METHYL 2,3,5,6-TETRACHLORO-4-PYRIDYL SULFONE Methyl-2,3,5,6-tetrachloro sulfonyl pyridine 4-Sulphonylmethyl-2,3,5,6-tetrachloropyridine 2,3,5,6-tetrachloro-4-(methylsulphonyl)pyridine Tetrachloro-4-(methylsulfonyl)pyridine Tetrachloromethanesulfonylpyridine Davicil Methyl 2,3,5,6-tetrachloro-4-pyridyl sulfone 13108-52-6 2,3,5,6-Tetrachloro-4-(methylsulfonyl)pyridine 13108-52-6 13108-52-1 C6H3Cl4NO2S C6H3Cl4NO4S