5,6-Dichloro-3-pyridinesulfonyl chloride

Basic Information

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CAS Number

98121-40-5

Molecular Formula

C5H2Cl3NO2S

Molecular Weight

246.5 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

SMILES

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C1=C(C=NC(=C1Cl)Cl)S(=O)(=O)Cl

InChI

InChI=1S/C5H2Cl3NO2S/c6-4-1-3(12(8,10)11)2-9-5(4)7/h1-2H

InChIKey

AXIWIKRWIWIPGT-UHFFFAOYSA-N

LogP

2.315900000000001

Topological Polar Surface Area

47.03 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

250

Synonyms & References

English

SCHEMBL958949
3-Pyridinesulfonyl chloride, 5,6-dichloro-
2,3-dichloropyridine-5-sulfonyl chloride
F3284-8125
Z1171217821
AKOS000267428
FT-0704692
EN300-82090
5,6-dichloropyridine-3-sulfonylchloride
5,6-Dichloropyridine-3-sulfonyl chloride, 98%
MFCD03541048
CS-0262316
98121-40-5
NS-03578
DTXSID70406095
5,6-dichloropyridin-3-sulfonyl chloride
5,6-dichloro-3-Pyridinesulfonyl chloride
5,6-dichloropyridine-3-sulfonyl Chloride
5,6-Dichloro-3-pyridinesulphonyl chloride
5,6-Dichloropyridine-3-sulphonyl chloride
SY185264
AMY26246
5,6-Dichloropyridine-3-sulfonyl chloride
3-Pyridinesulfonylchloride, 5,6-dichloro-
3-Pyridinesulfonylchloride,5,6-dichloro-(9CI)
5,6-DICHLORO-3-PYRIDINESULPHONYL CHLORIDE
(5,6-dichloro(3-pyridyl))chlorosulfone
5,6-dichloropyridine-3-sulfonyl chloride

MDL Number

MFCD03541048

Customs Code

2933399090

FAQ

What are the physical and chemical properties of 5,6-Dichloro-3-pyridinesulfonyl chloride (CAS: 98121-40-5)?

5,6-Dichloro-3-pyridinesulfonyl chloride is a white to off-white crystalline solid with a molecular weight of approximately 257.05 g/mol. It is slightly soluble in water but readily soluble in organic solvents such as methanol and acetone. This compound is highly reactive, particularly towards nucleophiles and can undergo sulfonation reactions. It has a pKa of approximately 2.5, indicating its acidic nature.

How is 5,6-Dichloro-3-pyridinesulfonyl chloride (CAS: 98121-40-5) typically synthesized?

5,6-Dichloro-3-pyridinesulfonyl chloride is synthesized by the chlorosulfonation of 3-pyridinesulfonic acid. This process typically involves the reaction of 3-pyridinesulfonic acid with chlorine gas in the presence of a catalyst such as thionyl chloride. The reaction is carried out under mild conditions, and the product is obtained in good yield through distillation.

What industries use 5,6-Dichloro-3-pyridinesulfonyl chloride (CAS: 98121-40-5)?

5,6-Dichloro-3-pyridinesulfonyl chloride is primarily used in the pharmaceutical and chemical industries. It serves as a key intermediate in the synthesis of various drugs and other chemical compounds. Due to its reactivity, it is also utilized in the preparation of functionalized polymers and in the development of sensors and semiconductors.

What precautions should be taken when handling 5,6-Dichloro-3-pyridinesulfonyl chloride (CAS: 98121-40-5)?

Handling 5,6-Dichloro-3-pyridinesulfonyl chloride requires appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. This compound should be handled in a fume hood due to its volatility and potential for inhalation hazards. In case of a spill, it should be cleaned up carefully using appropriate absorbent materials. It is recommended to refer to the Safety Data Sheet (SDS) for detailed emergency procedures and storage instructions.