1,2,3,8,9-Pentachlorodibenzo-p-dioxin

Modify Date: 2026-06-30 18:28:25

1,2,3,8,9-Pentachlorodibenzo-p-dioxin Structure
1,2,3,8,9-Pentachlorodibenzo-p-dioxin structure
Common Name 1,2,3,8,9-Pentachlorodibenzo-p-dioxin
CAS Number 71925-18-3 Molecular Weight 356.41600
Density 1.714g/cm3 Boiling Point 448.3ºC at 760 mmHg
Molecular Formula C12H3Cl5O2 Melting Point N/A
MSDS N/A Flash Point 173.9ºC

 Names

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

Name 1,2,3,8,9-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 448.3ºC at 760 mmHg
Molecular Formula C12H3Cl5O2
Molecular Weight 356.41600
Flash Point 173.9ºC
Exact Mass 353.85800
PSA 18.46000
LogP 6.85160
Index of Refraction 1.661
InChIKey VUMZAVNIADYKFC-UHFFFAOYSA-N
SMILES Clc1cc2c(c(Cl)c1Cl)Oc1c(ccc(Cl)c1Cl)O2

 Precursor & DownStream

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

Precursor  3

DownStream  0

 Synonyms

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

1,2,3,8,9-P5CDD
1,2,3,8,9-PCDD
1,2,3,8,9-pentachloro dibenzo-p-dioxin
Dibenzo-p-dioxin,1,2,3,8,9-pentachloro
1,2,3,8,9-pentachlorodibenzodioxin
Dibenzo(b,e)(1,4)dioxin,1,2,3,8,9-pentachloro

 1,2,3,8,9-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 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: CAS number of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is 71925-18-3.
Q: What is the polar surface area (PSA) of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: Polar surface area (PSA) of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is 18.46000.
Q: What is the English name of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: The English name of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is 1,2,3,8,9-Pentachlorodibenzo-p-dioxin.
Q: What is the InChIKey of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: InChIKey of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is VUMZAVNIADYKFC-UHFFFAOYSA-N.
Q: What is the molecular weight of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: Molecular weight of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is 356.41600.
Q: What is the LogP of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: LogP of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is 6.85160.
Q: What is the SMILES notation of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: SMILES notation of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin is Clc1cc2c(c(Cl)c1Cl)Oc1c(ccc(Cl)c1Cl)O2.
Q: What are the upstream materials of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin?
A: Related upstream materials(CAS) of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin: 58200-71-8;58200-74-1;58200-73-0.
Q: What is the Chinese name of 71925-18-3?
A: Chinese name of 71925-18-3 is 71925-18-3.
Q: What English synonyms does 1,2,3,8,9-Pentachlorodibenzo-p-dioxin have?
A: English synonyms of 1,2,3,8,9-Pentachlorodibenzo-p-dioxin: 1,2,3,8,9-P5CDD, 1,2,3,8,9-PCDD, 1,2,3,8,9-pentachloro dibenzo-p-dioxin, Dibenzo-p-dioxin,1,2,3,8,9-pentachloro, 1,2,3,8,9-pentachlorodibenzodioxin, Dibenzo(b,e)(1,4)dioxin,1,2,3,8,9-pentachloro.

 1,2,3,8,9-Pentachlorodibenzo-p-dioxinfactory

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

Dayang Chem (Hangzhou) Co., Ltd.
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