2,3,5,6-Tetrachloropyridine

Basic Information

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CAS Number

2402-79-1

Molecular Formula

C5HCl4N

Molecular Weight

216.88 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

91.0 to 95.0 deg-C

Boiling Point

251°C

Flash Point

188℃

Refractive Index

1.6000 (estimate)

SMILES

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

InChI

InChI=1S/C5HCl4N/c6-2-1-3(7)5(9)10-4(2)8/h1H

InChIKey

FATBKZJZAHWCSL-UHFFFAOYSA-N

LogP

3.6952

Topological Polar Surface Area

12.89 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

108

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 6.1 Class 6.1

Synonyms & References

English

WLN: T6NJ BG CG EG FG
FT-0609409
NSC 2009
Q27292675
HSDB 5874
2402-79-1
CHEMBL3187097
NS00006950
EN300-20716
5-20-05-00421 (Beilstein Handbook Reference)
EINECS 219-283-9
W-107354
AKOS005258026
NSC2009
DTXSID7027467
AS-14409
Tetrachloropyridine, 2,3,5,6-
A4982
H11287
NCGC00257813-01
MFCD00092428
EINECS 251-666-6
CAS-2402-79-1
Pyridine, 2,3,5,6-tetrachloro-
NSC-2009
FATBKZJZAHWCSL-UHFFFAOYSA-N
BRN 0129639
AM84815
NCGC00248580-01
EC 219-283-9
2,3,5,6tetrachloropyridine

MDL Number

MFCD00092428

Customs Code

2933399090

FAQ

What are the physical and chemical properties of 2,3,5,6-Tetrachloropyridine (CAS: 2402-79-1)?

2,3,5,6-Tetrachloropyridine is a white crystalline solid with a molecular weight of 255.01 g/mol. It is slightly soluble in water but more soluble in organic solvents. It exhibits moderate reactivity, mainly towards nucleophilic substitution reactions. The compound is stable under normal conditions but should be handled with care due to its chlorinated nature.

How is 2,3,5,6-Tetrachloropyridine (CAS: 2402-79-1) typically synthesized?

2,3,5,6-Tetrachloropyridine is typically synthesized by the chlorination of 2,3,5,6-tetrahydroxy pyridine using thionyl chloride. The reaction yields 2,3,5,6-tetrachloropyridine with good selectivity and moderate yield, often requiring purification steps to remove impurities.

What industries use 2,3,5,6-Tetrachloropyridine (CAS: 2402-79-1)?

2,3,5,6-Tetrachloropyridine is primarily used in the pharmaceutical industry for the synthesis of certain drugs. It is also utilized in the semiconductor industry for manufacturing photolithography resist materials, and in the polymer industry for the production of flame-retardant polymers. Additionally, it has applications in the sensor industry due to its potential as a chemical sensor.

What precautions should be taken when handling 2,3,5,6-Tetrachloropyridine (CAS: 2402-79-1)?

When handling 2,3,5,6-Tetrachloropyridine, it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place, away from heat sources and oxidizing agents. Fume hoods should be used during handling to minimize exposure. In case of a spill, it should be carefully cleaned up and disposed of according to local hazardous waste protocols. Always refer to the safety data sheet (SDS) for detailed handling instructions.