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Pentachloropyridine

CAS No.
2176-62-7
Chemical Name:
Pentachloropyridine
Synonyms
Pentapyridine;Pentachloropyr;JACS-2176-62-7;Perchloropyridine;pentachlorpyridine;pentachloro-pyridin;PENTACHLOROPYRIDINE;Fivechlorine pyridine;Pentachloropyridine>Pentachloropyridine>98%
CBNumber:
CB5340332
Molecular Formula:
C5Cl5N
Molecular Weight:
251.33
MDL Number:
MFCD00006230
MOL File:
2176-62-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-10 10:27:19
Product description Number Pack Size Price
Pentachloropyridine for synthesis 8.41070 25g $103
Pentachloropyridine >98.0%(GC) P1661 25g $58
Pentachloropyridine P238173 100g $115
Pentachloropyridine P238173 50g $90
2,3,4,5,6-Pentachloropyridine 3H32-4-04 100g $103
More product size

Pentachloropyridine Properties

Melting point 124 °C
Boiling point 280 °C
Density 1.7500 (estimate)
vapor density 8.4 (vs air)
vapor pressure 0.01 mm Hg ( 20 °C)
storage temp. Store below +30°C.
solubility 9mg/l
form Flakes
pka -6.23±0.50(Predicted)
color White to off-white
BRN 155197
Henry's Law Constant 1.6×10-3 mol/(m3Pa) at 25℃, HSDB (2015)
InChI 1S/C5Cl5N/c6-1-2(7)4(9)11-5(10)3(1)8
InChIKey DNDPLEAVNVOOQZ-UHFFFAOYSA-N
SMILES Clc1nc(c(c(c1Cl)Cl)Cl)Cl
CAS DataBase Reference 2176-62-7(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances PENTACHLOROPYRIDINE
EWG's Food Scores 1
FDA UNII 6MM852KA6T
NIST Chemistry Reference Pyridine, pentachloro-(2176-62-7)
EPA Substance Registry System Pyridine, pentachloro- (2176-62-7)
UNSPSC Code 12352101
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS09
Signal word  Warning
Hazard statements  H302-H410
Precautionary statements  P264-P270-P273-P301+P312-P391-P501
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38-42/43
Safety Statements  22-26-36-24/25
RIDADR  UN3077
WGK Germany  3
RTECS  UT7000000
TSCA  TSCA listed
HazardClass  9
HS Code  29333999
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Aquatic Acute 1
Aquatic Chronic 1
Hazardous Substances Data 2176-62-7(Hazardous Substances Data)
Toxicity LD50 ipr-mus: 235 mg/kg TXAPA9 11,361,67
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
0
2 0

Pentachloropyridine price More Price(21)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.41070 Pentachloropyridine for synthesis 2176-62-7 25g $103 2026-04-30 Buy
TCI Chemical P1661 Pentachloropyridine >98.0%(GC) 2176-62-7 25g $58 2023-06-20 Buy
TRC P238173 Pentachloropyridine 2176-62-7 100g $115 2021-12-16 Buy
TRC P238173 Pentachloropyridine 2176-62-7 50g $90 2021-12-16 Buy
SynQuest Laboratories 3H32-4-04 2,3,4,5,6-Pentachloropyridine 2176-62-7 100g $103 2021-12-16 Buy
Product number Packaging Price Buy
8.41070 25g $103 Buy
P1661 25g $58 Buy
P238173 100g $115 Buy
P238173 50g $90 Buy
3H32-4-04 100g $103 Buy

Pentachloropyridine Chemical Properties,Uses,Production

Description

Pentachloropyridine is one of the most important perhalogenated compounds which find broad applications in many fields of chemistry. It is most reactive at the 4- position. Reduction with zinc, or electrochemically, yields 2,3,5,6-tetrachloropyridine. Partial hydrolysis and phosphorylation gives the insecticide chlorpyrifos.

Chemical Properties

WHITE TO OFF-WHITE FLAKES

Uses

Pentachloropyridine is a halogenated pyridine with antineoplastic and antiapoptic properties.

Preparation

Pentachloropyridine can be produced through a direct electrophilic substitution reaction between pyridine and chlorine.

Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of Clí and NOx.

Purification Methods

Purify it by recrystallisation from EtOH or aqueous EtOH. It sublimes at 150o/3mm. [den Hertog et al. Recl Trav Chim Pays-Bas 69 673 1950, Schikh et al. Chem Ber 69 2604 1936, Beilstein 20 I 81, 20 III/IV 2503, 20/5 V 422.]

16063-70-0
2176-62-7
Synthesis of Pentachloropyridine from 2,3,5-Trichloropyridine
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View Lastest Price from Pentachloropyridine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Pentachloropyridine pictures 2026-04-29 Pentachloropyridine
2176-62-7
US $0.00-0.00 / kg 1kg 99%min 100kgs Shanghai Yongzeng Technology Co.,Ltd
Pentachloropyridine pictures 2026-03-20 Pentachloropyridine
2176-62-7
US $10.00 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Pentachloropyridine pictures 2025-11-18 Pentachloropyridine
2176-62-7
US $1.10 / g 1g 99.00% 100 Tons min Dideu Industries Group Limited
2,3,4,5,6-pentachloro-pyridin 2,3,4,5,6-PENTACHLOROPYRIDINE 2,3,4,5,6-PENTCHLOROPYRIDINE 2,3,4,5,6-Pentachlorpyridine pentachloro-pyridin pentachlorpyridine Perchloropyridine Pyridine, 2,3,4,5,6-pentachloro- Pentapyridine Pentachloropyridine>98% Pentachloropyridine,2,3,4,5,6-Pentachloropyridine PENTACHLOROPYRIDINE Fivechlorine pyridine Pentachloropyr JACS-2176-62-7 Pentachloropyridine> PENTACHLOROPYRIDINE FOR SYNTHESIS Pentachloropyridine ISO 9001:2015 REACH Pyrazinamide Impurity 8 Pentachloropyridinehydrochloride 2176-62-7 7696-17-9 C5Cl5N Pyridines Halogenated Heterocycles Heterocyclic Building Blocks C5 Building Blocks Chloropyridines Halopyridines Pesticide intermediate Chloropyridines Halopyridines C5Heterocyclic Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks Pyridines