2,3,5,6-Tetrachloropyridine supplier

Name
2,3,5,6-Tetrachloropyridine
EINECS 219-283-9
CAS No. 2402-79-1
Article Data40
CAS DataBase
Density 1.662 g/cm³
Solubility
Melting Point 90.5 °C
Formula C₅HCl₄N
Boiling Point 253.7 °C at 760 mmHg
Molecular Weight 216.882
Flash Point 131.7 °C
Transport Information
Appearance
Safety 26-36/37/39-60-61-36
Risk Codes 20/21/22-36/37/38-51/53
Molecular Structure
Hazard Symbols Xi
Synonyms NSC 2009;
PSA 12.89000
LogP 3.69520

Synthetic route

: 2176-62-7
2,3,4,5,6-pentachloropyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
Stage #1: 2,3,4,5,6-pentachloropyridine With manganese; ammonium acetate In ethanol; water at 40℃; for 6h; Stage #2: With ammonia In ethanol; water at 65℃; for 1h; pH=8 - 9; Concentration; Temperature;	99.5%
With ammonium chloride; zinc In acetonitrile at 80℃; for 3h; Reagent/catalyst; Solvent; Temperature; Green chemistry;	88.4%
With ammonium chloride; dimethyl methane phosphonate; zinc In water for 0.5h; Yield given;

: 700-16-3
Pentafluoropyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With hydrogen; potassium carbonate at 200℃; under 15001.5 Torr; for 2h; Autoclave;	99.2%

: 2176-62-7
2,3,4,5,6-pentachloropyridine

A: 6515-09-9
2,3,6-trichloropyridine

B: 16063-70-0
2,3,5-trichloropyridine

C: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With ammonium chloride; dimethyl methane phosphonate; zinc In water at 85 - 90℃; Product distribution; other ammonium salts; other methylphosphonates/phosphates;	A 0.9% B 1% C 97.6%

...Expand

: 30332-35-5
tetrachloro-4-iodopyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
In diethyl ether for 19h; Irradiation;	87%
Multi-step reaction with 2 steps 1: 4 percent / copper bronze / dimethylformamide / 150 °C 2: 3 percent Chromat. / copper bronze / dimethylformamide / 20 h / 150 °C View Scheme

: 41797-97-1
methyl 4-cyano-2,2,4-trichlorobutyrate

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
	79%

: 27425-94-1
tetrachloro-4-pyridylcopper

: 98-88-4
benzoyl chloride

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 18613-89-3
4-benzoyltetrachloropyridine

Conditions

Conditions	Yield
In N,N-dimethyl-formamide for 0.5h; Heating;	A 9% B 72%

...Expand

: 23995-94-0
4-Bromo-2,3,5,6-tetrachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 14121-36-9
2,3,4,6-Tetrachloropyridine

C: 2176-62-7
2,3,4,5,6-pentachloropyridine

D: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With Isopropylbenzene; copper In N,N-dimethyl-formamide at 150℃; for 1h; Further byproducts given;	A 63% B 15% C 16% D 17%

...Expand

: 23995-94-0
4-Bromo-2,3,5,6-tetrachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 14121-36-9
2,3,4,6-Tetrachloropyridine

C: octachloro-3,4'-bipyridyl

D: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With copper; benzoyl chloride In N,N-dimethyl-formamide at 150℃; for 0.5h;	A 61% B 24% C n/a D 15%

...Expand

: 30332-35-5
tetrachloro-4-iodopyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 2176-62-7
2,3,4,5,6-pentachloropyridine

C: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With copper In N,N-dimethyl-formamide at 150℃;	A 22% B 4% C 52%

...Expand

: 23995-94-0
4-Bromo-2,3,5,6-tetrachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 14121-36-9
2,3,4,6-Tetrachloropyridine

C: 2176-62-7
2,3,4,5,6-pentachloropyridine

D: octachloro-3,4'-bipyridyl

E: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With para-xylene; copper In N,N-dimethyl-formamide at 150℃; for 1h; Product distribution; Mechanism; the similar reaction without p-xylene; in presence cumene, benzoyl chloride instead p-xylene; other reagent (CuCl); other polychloroiodoarenes; tetrahalohenopyridylcopper intermediate; evidence against free radical or pyridyne intermediates;	A 42% B 5% C 15% D 4% E 18%

...Expand

: 23995-94-0
4-Bromo-2,3,5,6-tetrachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 2176-62-7
2,3,4,5,6-pentachloropyridine

C: octachloro-3,4'-bipyridyl

D: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With para-xylene; copper In N,N-dimethyl-formamide at 150℃; for 1h; Further byproducts given;	A 42% B 15% C 4% D 18%
With copper In N,N-dimethyl-formamide at 150℃; for 0.5h;	A 17% B 21% C 8% D 14%
With copper In N,N-dimethyl-formamide at 150℃; for 0.5h; Further byproducts given;	A 10% B 10% C 9% D 8%

...Expand

: 23995-94-0
4-Bromo-2,3,5,6-tetrachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 74894-06-7
4-bromo-2,3,6-tetrachloropyridine

Conditions

Conditions	Yield
In diethyl ether for 71h; Irradiation;	A 17% B 6%

: 27425-94-1
tetrachloro-4-pyridylcopper

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
In N,N-dimethyl-formamide for 1h; Heating;	A 13.5% B 1%

: 27425-94-1
tetrachloro-4-pyridylcopper

: 98-88-4
benzoyl chloride

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 18613-89-3
4-benzoyltetrachloropyridine

C: 2176-62-7
2,3,4,5,6-pentachloropyridine

D: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With para-xylene In N,N-dimethyl-formamide for 23h; Product distribution; Mechanism; Heating; the similar reaction without p-xylene; other reaction times; similar range of products to those obtained from 4-bromotetrachloropyridine;	A 12% B 13% C 1% D 2.5%

...Expand

: 27425-94-1
tetrachloro-4-pyridylcopper

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 18613-89-3
4-benzoyltetrachloropyridine

C: 2176-62-7
2,3,4,5,6-pentachloropyridine

D: 18725-60-5
octachloro-4,4'-bipyridyl

Conditions

Conditions	Yield
With para-xylene; benzoyl chloride In N,N-dimethyl-formamide for 23h; Heating;	A 12% B 13% C 1% D 2.5%

...Expand

: 110-86-1
pyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With phosphorus pentachloride at 210 - 220℃;
With sulfur dichloride In tetrachloromethane at 0 - 80℃; for 6h; Temperature; Solvent; Inert atmosphere;

: 6515-38-4
3,5,6-trichloropyridin-2 ol

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With phosphorus pentachloride; trichlorophosphate at 180℃;

: 19340-26-2
tetrachloroisonicotic acid

: 56-81-5
glycerol

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
bei der Destillation; unter Kohlendioxyd-Entwicklung;

: 19340-26-2
tetrachloroisonicotic acid

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With water at 180℃;
With glycerol beim Destillieren;

: 76942-19-3
2,6-diamino-3,5-dichloropyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With hydrogenchloride; sodium nitrite Yield given;

: 2176-62-7
2,3,4,5,6-pentachloropyridine

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 14121-36-9
2,3,4,6-Tetrachloropyridine

C: 2808-86-8
2,3,4,5-tetrachloro-pyridine

D: 19942-44-0
tetrachloro-4-dimethylaminopyridine

Conditions

Conditions	Yield
With copper In N,N-dimethyl-formamide at 150℃; for 20h;	A 3 % Chromat. B 22 % Chromat. C 2 % Chromat. D 13 % Chromat.

...Expand

: 2176-62-7
2,3,4,5,6-pentachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 14121-36-9
2,3,4,6-Tetrachloropyridine

C: 2808-86-8
2,3,4,5-tetrachloro-pyridine

D: 19942-44-0
tetrachloro-4-dimethylaminopyridine

Conditions

Conditions	Yield
With copper In N,N-dimethyl-formamide at 150℃; for 20h;	A 3 % Chromat. B 22 % Chromat. C 2 % Chromat. D 13 % Chromat.

...Expand

: 2176-62-7
2,3,4,5,6-pentachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 20543-31-1
bis(tetrachloropyridyl)mercury

Conditions

Conditions	Yield
In N,N-dimethyl-formamide Hg cathode, -1.40 V (S.C.E.), Et4NBF4;	A 0.66 g B 0.59 g

: 2176-62-7
2,3,4,5,6-pentachloropyridine

A: 2402-79-1
2,3,5,6-tetrachloropyridine

B: 36277-69-7
2,3,5,6,2',3',6'-heptachloro-[4,4']bipyridinyl

Conditions

Conditions	Yield
With carbon dioxide 1.) Hg cathode, DMF, Et4NBF4, -1.30 V (S.C.E.), 2.) 150 deg C, vacuum; Multistep reaction;

: 19340-26-2
tetrachloroisonicotic acid

: 7732-18-5
water

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
at 180℃; im Rohr;

: 16063-70-0
2,3,5-trichloropyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With sodium hydroxide; hexachloroethane; tetrabutylammomium bromide at 50℃; for 4h;

: 1-(4-dimethylamino)-[2,3,5,6-tetrachloro-pyridin-4-yl]pyridinium chloride

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
With sodium tetrahydroborate In isopropyl alcohol at 20℃; for 6h;

: 141-86-6
2,6-Diaminopyridine

: 2402-79-1
2,3,5,6-tetrachloropyridine

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 60 percent / aq. HCl, H2O2 2: NaNO2-HCl View Scheme

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 16063-70-0
2,3,5-trichloropyridine

Conditions

Conditions	Yield
With 5%-palladium/activated carbon; hydrogen; potassium hydroxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 60℃; under 4500.45 Torr; for 6h; Reagent/catalyst; Solvent; Pressure; Autoclave;	99.1%
With sodium hydroxide In benzene

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 2456-81-7
4-pyrrolidin-1-ylpyridine

: 1,1'-bis[4-pyrrolidino-(3,5-dichloro-pyridine-2,6-diyl)pyridinium]dichloride

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 120℃; for 3h;	99%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 214907-25-2
(4-methoxystyrene)boronic acid

: 2,3,5,6-tetrakis(4-methoxystyryl)pyridine

Conditions

Conditions	Yield
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere;	99%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 851660-03-2
4-trifluoromethylstyrenylboronic acid

: 2,3,5,6-tetrakis(4-trifluoromethylstyryl)pyridine

Conditions

Conditions	Yield
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere;	99%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 214907-11-6
4-methylstyrenylboronic acid

: 2,3,5,6-tetrakis(4-methylstyryl)pyridine

Conditions

Conditions	Yield
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere;	99%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 98-80-6
phenylboronic acid

: 24301-97-1
tetraphenyl-2,3,5,6 pyridine

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Reagent/catalyst; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;	99%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 5720-07-0
4-methoxyphenylboronic acid

: 54932-38-6
2,3,5,6-tetrakis(4-methoxyphenyl)pyridine

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;	99%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 105-56-6
ethyl 2-cyanoacetate

: ethyl 2-cyano-2-(3,5,6-trichloropyridin-2-yl)acetate

Conditions

Conditions	Yield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 1h;	98%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 536-74-3
phenylacetylene

: 2,3,5,6-tetrakis(phenylethynyl)pyridine

Conditions

Conditions	Yield
Stage #1: 2,3,5,6-tetrachloropyridine With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine In 1,4-dioxane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: phenylacetylene In 1,4-dioxane at 90℃; for 20h;	96%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 5720-05-8
4-methylphenylboronic acid

: 54932-37-5
2,3,5,6-tetra-p-tolylpyridine

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;	96%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 55933-94-3
3,5,6-trichloro-2-hydrazinopyridine

Conditions

Conditions	Yield
With hydrazine hydrate In methanol at 60 - 65℃; for 2h; Temperature; Green chemistry;	96%
With sodium carbonate; hydrazine hydrate; butan-1-ol In water at 90 - 95℃;

: 1122-58-3
dmap

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 1,1'-bis[4-dimethylamino-(3,5-dichloro-pyridine-2,6-diyl)pyridinium]dichloride

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 120℃; for 3h;	95%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 4363-35-3, 6783-05-7, 60806-02-2
Dihydroxy-styryl-boran

: 2,3,5,6-tetrastyrylpyridine

Conditions

Conditions	Yield
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Reagent/catalyst; Solvent; Suzuki-Miyaura Coupling; Inert atmosphere;	95%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 2875-18-5
2,3,5,6-tetrafluoropyridine

Conditions

Conditions	Yield
With potassium fluoride In sulfolane at 120℃; for 6h; Reagent/catalyst; Solvent; Green chemistry;	95%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 762287-57-0
(4-chloro-2-methoxyphenyl)boronic acid

: 3,5-dichloro-2,6-bis-(4-chloro-2-methoxyphenyl)pyridine

Conditions

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane for 6h; Inert atmosphere; Reflux;	95%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 16419-60-6
2-Methylphenylboronic acid

: 3,5-dichloro-2,6-di-o-tolylpyridine

Conditions

Conditions	Yield
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere;	95%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 63139-21-9
4-ethylphenylboronic acid

: 2,3,5,6-tetrakis(4-ethylphenyl)pyridine

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;	94%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: butoxyethyl glycolate

: butoxyethyl ester of [(3,5,6-trichloro-2-pyridyl)oxy]acetic acid

Conditions

Conditions	Yield
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In tetrahydrofuran for 5h; Reagent/catalyst; Solvent; Reflux;	94%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 768-60-5
4-methoxyphenylacetylen

: 2,3,5,6-tetrakis-((4-methoxyphenyl)ethynyl)pyridine

Conditions

Conditions	Yield
Stage #1: 2,3,5,6-tetrachloropyridine With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine In 1,4-dioxane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: 4-methoxyphenylacetylen In 1,4-dioxane at 90℃; for 20h;	93%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 32316-92-0
naphthalene-2-boronic acid

: 3,5-dichloro-2,6-di(naphthalen-2-yl)pyridine

Conditions

Conditions	Yield
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere;	91%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Inert atmosphere; Reflux;
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Inert atmosphere; Reflux;

: 6165-69-1
Thien-3-ylboronic acid

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 3,5-dichloro-2,6-di(thiophen-3-yl)pyridine

Conditions

Conditions	Yield
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere;	91%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 98-80-6
phenylboronic acid

: 3,5-dichloro-2,6-bisphenylpyridine

Conditions

Conditions	Yield
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere;	90%
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; regioselective reaction;	77%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Inert atmosphere; Reflux;
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Reflux; Inert atmosphere;

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 123324-71-0
4-tert-butylphenylboronic acid

: 2,3,5,6-tetrakis(4-tert-butylphenyl)pyridine

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;	90%

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 1428946-28-4
5'-tert-butyl-(1,1':3',1"-terphenyl)-3,3"-diol

: 1428946-32-0
C54H42Cl4N2O4

Conditions

Conditions	Yield
With caesium carbonate In dimethyl sulfoxide at 120℃; for 0.5h; Inert atmosphere;	89.4%

: 421-20-5
Methyl fluorosulfonate

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 75348-52-6
3,5,6-trichloro-1-methyl-2-pyridone

Conditions

Conditions	Yield
for 0.5h; Heating;	89%

: 766-98-3
1-ethynyl-4-fluorobenzene

: 2402-79-1
2,3,5,6-tetrachloropyridine

: 3,5-dichloro-2,6-bis((4-fluorophenyl)ethynyl)pyridine

Conditions

Conditions	Yield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine In 1,4-dioxane at 90℃; for 20h; Sonogashira Cross-Coupling; Inert atmosphere; Sealed tube; regioselective reaction;	89%
Stage #1: 2,3,5,6-tetrachloropyridine With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 20℃; for 0.166667h; Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: 1-ethynyl-4-fluorobenzene In 1,4-dioxane at 90℃; for 20h; Sonogashira Cross-Coupling; Inert atmosphere;	68%

2,3,5,6-Tetrachloropyridine Chemical Properties

Molecular Formula:C₅HCl₄N
Molar mass:216.88014g/mol
Structure of 2,3,5,6-Tetrachloropyridine(2402-79-1):

Synonyms of 2,3,5,6-Tetrachloropyridine(2402-79-1):Pyridine, 2,3,5,6-tetrachloro-;Tetrapyridine
Density:1.662 g/cm³
Flash Point:131.7 °C
Boiling Point:253.7 °C at 760 mmHg
Index of Refraction:1.588
Vapour Pressure:0.0288 mmHg at 25°C
Melting point:90.5 °C

2,3,5,6-Tetrachloropyridine Uses

2,3,5,6-Tetrachloropyridine(2402-79-1) can be used as the intermediate of medicine and pesticide.
2,3,5,6-Tetrachloropyridine(2402-79-1) can be used as the main raw material of synthetic herbicides: picloram,too .

2,3,5,6-Tetrachloropyridine Toxicity Data With Reference

ipr-mus LD50:1150 mg/kg

TXAPA9 Toxicology and Applied Pharmacology. 11 (1967),361.

2,3,5,6-Tetrachloropyridine Consensus Reports

Reported in EPA TSCA Inventory.

2,3,5,6-Tetrachloropyridine Safety Profile

Moderately toxic by intraperitoneal route. When heated to decomposition it emits very toxic fumes of Cl⁻ and NO_x.
Hazard Codes:Xi

Risk Statements:
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
51: Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet

2,3,5,6-Tetrachloropyridine Specification

Product Categories of 2,3,5,6-Tetrachloropyridine(2402-79-1):Halides;Pyridines;Halopyridines;Chloropyridines;FINE Chemical & INTERMEDIATES

Product Name

2,3,5,6-Tetrachloropyridine

Synthetic route

2,3,5,6-Tetrachloropyridine Chemical Properties

2,3,5,6-Tetrachloropyridine Uses

2,3,5,6-Tetrachloropyridine Toxicity Data With Reference

2,3,5,6-Tetrachloropyridine Consensus Reports

2,3,5,6-Tetrachloropyridine Safety Profile

2,3,5,6-Tetrachloropyridine Specification

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