2,3,4,6,8-Pentachlorodibenzo-p-dioxin

Modify Date: 2026-07-09 17:10:00

2,3,4,6,8-Pentachlorodibenzo-p-dioxin Structure
2,3,4,6,8-Pentachlorodibenzo-p-dioxin structure
Common Name 2,3,4,6,8-Pentachlorodibenzo-p-dioxin
CAS Number 71925-17-2 Molecular Weight 356.41600
Density 1.714g/cm3 Boiling Point 446.1ºC at 760 mmHg
Molecular Formula C12H3Cl5O2 Melting Point N/A
MSDS N/A Flash Point 172.8ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,2,3,7,9-pentachlorodibenzo-p-dioxin
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.714g/cm3
Boiling Point 446.1ºC at 760 mmHg
Molecular Formula C12H3Cl5O2
Molecular Weight 356.41600
Flash Point 172.8ºC
Exact Mass 353.85800
PSA 18.46000
LogP 6.85160
Index of Refraction 1.661
InChIKey UAOYHTXYVWEPIB-UHFFFAOYSA-N
SMILES Clc1cc(Cl)c2c(c1)Oc1cc(Cl)c(Cl)c(Cl)c1O2

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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2,3,4,6,8-Pentachlorodibenzo-p-dioxin Structure

2,3,4,6,8-Penta...

CAS#:71925-17-2

Learn More
Literature: Buser, Hans Rudolf; Rappe, Christoffer Analytical Chemistry, 1984 , vol. 56, # 3 p. 442 - 448

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1,2,3,7,9-pentachlorodibenzodioxin
Dibenzo-p-dioxin,1,2,3,7,9-pentachloro
Dibenzo(b,e)(1,4)dioxin,1,2,3,7,9-pentachloro
1,2,3,7,9-PCDD
1,2,3,7,9-P5CDD

 2,3,4,6,8-Pentachlorodibenzo-p-dioxin | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: CAS number of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is 71925-17-2.
Q: What is the English name of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: The English name of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is 1,2,3,7,9-pentachlorodibenzo-p-dioxin.
Q: What is the SMILES notation of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: SMILES notation of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is Clc1cc(Cl)c2c(c1)Oc1cc(Cl)c(Cl)c(Cl)c1O2.
Q: What is the InChIKey of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: InChIKey of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is UAOYHTXYVWEPIB-UHFFFAOYSA-N.
Q: What is the molecular formula of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: Molecular formula of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is C12H3Cl5O2.
Q: What is the molecular weight of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: Molecular weight of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is 356.41600.
Q: What is the boiling point of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: Boiling point of 1,2,3,7,9-pentachlorodibenzo-p-dioxin is 446.1ºC at 760 mmHg.
Q: What English synonyms does 1,2,3,7,9-pentachlorodibenzo-p-dioxin have?
A: English synonyms of 1,2,3,7,9-pentachlorodibenzo-p-dioxin: 1,2,3,7,9-pentachlorodibenzodioxin, Dibenzo-p-dioxin,1,2,3,7,9-pentachloro, Dibenzo(b,e)(1,4)dioxin,1,2,3,7,9-pentachloro, 1,2,3,7,9-PCDD, 1,2,3,7,9-P5CDD.
Q: What is the Chinese name of 71925-17-2?
A: Chinese name of 71925-17-2 is 71925-17-2.
Q: What are the upstream materials of 1,2,3,7,9-pentachlorodibenzo-p-dioxin?
A: Related upstream materials(CAS) of 1,2,3,7,9-pentachlorodibenzo-p-dioxin: 2591-21-1;58200-74-1.

 2,3,4,6,8-Pentachlorodibenzo-p-dioxinfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

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