CompoundList
Sign in
Aromatic building blocks

Pcb 105

Also known as 2,3,3',4,4'-Pentachlorobiphenyl, 1,2,3-trichloro-4-(3,4-dichlorophenyl)benzene, 2,3,4,3',4'-Pentachlorobiphenyl

CAS 32598-14-4Formula C12H5Cl5Molar mass 326.44 g/molEC 634-808-5
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment
Get quotes Safety data
Pcb 105 chemical structure, C12H5Cl5, CAS 32598-14-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
32598-14-4
Formula
C12H5Cl5
Molar mass
326.44 g/mol
EC number
634-808-5
HS code
290399
Category
Aromatic building blocks

What is Pcb 105?

Plain description, key identifiers and synonyms

2,3,4,3',4'-Pentachlorobiphenyl is a dichlorobenzene, a trichlorobenzene and a pentachlorobiphenyl.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2,3-trichloro-4-(3,4-dichlorophenyl)benzene
CAS number
32598-14-4 CAS number cross-checked
EC number
634-808-5
Molecular formula
C12H5Cl5
UNII
0S596V3MLH
MDL number
MFCD00152718
InChIKey
WIDHRBRBACOVOY-UHFFFAOYSA-N
InChI
InChI=1S/C12H5Cl5/c13-8-3-1-6(5-10(8)15)7-2-4-9(14)12(17)11(7)16/h1-5H
SMILES (canonical and isomeric)
C1=CC(=C(C=C1C2=C(C(=C(C=C2)Cl)Cl)Cl)Cl)Cl

Synonyms

  • 2,3,3',4,4'-Pentachlorobiphenyl
  • 1,2,3-trichloro-4-(3,4-dichlorophenyl)benzene
  • 2,3,4,3',4'-Pentachlorobiphenyl
  • 3,4,2',3',4'-Pentachlorobiphenyl
  • 2,3,3',4,4'-Pentachloro-1,1'-biphenyl
  • 2,3,3'4,4'-Pentachloro-1,1'-biphenyl
  • 2,3,3',4,4'-PCB
  • PCB No. 105
  • Biphenyl, 2,3,3',4,4'-pentachloro-
  • 2',3',4,4',5-Pentachlorobiphenyl
  • 1,1'-Biphenyl, 2,3,3',4,4'-pentachloro-
  • 1,1'-Biphenyl,2,3,3',4,4'-pentachloro-
  • 1,1'-Biphenyl, 2,3,3'4,4'-pentachloro-
  • PCB No 105, analytical standard
  • PCB No. 105 10 |Ig/mL in Isooctane
  • PCB No. 105 10 microg/mL in Isooctane
  • PCB No. 105 100 |Ig/mL in Isooctane
  • PCB No. 105 100 microg/mL in Isooctane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
326.44 g/molcalc.
Exact mass
323.8834 Dacalc.
LogP (octanol/water)
6.62calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Pcb 105 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Pcb 105 can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Pcb 105 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Environmental Pollutants

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pcb 105 is traded under.

HS 2903.99Indicative HS code

Halogenated derivatives of aromatic hydrocarbons, other

World exports in 2024
$798M
−15.8% vs 2023, imports $786M
2019 to 2024
Top exporters
  1. China51.0%
  2. United States15.9%
  3. Belgium8.6%
Top importers
  1. India * partner reported16.1%
  2. United States14.7%
  3. Germany10.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Pcb 105 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pcb 105, based on the data on this page

What is Pcb 105?

2,3,4,3',4'-Pentachlorobiphenyl is a dichlorobenzene, a trichlorobenzene and a pentachlorobiphenyl.

What is the CAS number of Pcb 105?

The CAS registry number of Pcb 105 is 32598-14-4.

What is the molecular formula and weight of Pcb 105?

The molecular formula of Pcb 105 is C12H5Cl5 and its molar mass is 326.44 g/mol.

What is Pcb 105 used for?

Known uses and roles of Pcb 105 include building blocks in research and laboratory and environmental pollutants.

Is Pcb 105 hazardous?

Pcb 105 carries the GHS signal word "Warning". Main hazards: harmful if swallowed, may cause damage to organs through prolonged or repeated exposure, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pcb 105?

Pcb 105 is usually classified under HS code 290399 (Halogenated derivatives of aromatic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pcb 105?

Post a free request on CompoundList and suppliers of Pcb 105 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Pcb 105?

Suppliers quote Pcb 105 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Pcb 105

Get quotes for Pcb 105

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Pcb 105
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Pcb 105 with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/pcb-105-32598-14-4" title="Pcb 105 structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 290399

Price on request
Free quotes, contact stays private
Get quotes