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25429-29-2

Basic Information
CAS No.: 25429-29-2
Name: 1,2,3,4,5-Pentachlorobibenzene
Article Data: 4
Molecular Structure:
Molecular Structure of 25429-29-2 (1,2,3,4,5-Pentachlorobibenzene)
Formula: C12H5 Cl5
Molecular Weight: 326.4331
Synonyms: Biphenyl,pentachloro- (6CI,7CI,8CI); Apirolio 1476C; DP 5; Diphenyl pentachloride;Kanekrol 500; Pentachlorobiphenyl; Pentachlorodiphenyl; Pyralene 1476; Pyroclor5
Density: 1.5220 (rough estimate)
Melting Point: 95.86°C (estimate)
Boiling Point: 412.3°C (rough estimate)
Solubility: 31ug/L(22.5 oC)
Safety: Moderately toxic by unspecified route. When heated to decomposition it emits toxic fumes of Cl.
PSA: 0.00000
LogP: 5.55360
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Chemistry

Product Name: Pentachlorobiphenyl (CAS NO.25429-29-2)


Molecular Formula: C12H5Cl5
Molecular Weight: 326.4331g/mol
Mol File: 25429-29-2.mol
EINECS: 246-974-2
Boiling point: 371.4 °C at 760 mmHg
Flash Point: 178.1 °C
Density: 1.522 g/cm3
Surface Tension: 46.4 dyne/cm
Enthalpy of Vaporization: 59.41 kJ/mol
Vapour Pressure: 2.22E-05 mmHg at 25°C
XLogP3-AA: 6.7
H-Bond Donor: 0
H-Bond Acceptor: 0
Structure Descriptors of Pentachlorobiphenyl (CAS NO.25429-29-2):
  IUPAC Name: 1,2,3,4,5-pentachloro-6-phenylbenzene 
  Canonical SMILES: C1=CC=C(C=C1)C2=C(C(=C(C(=C2Cl)Cl)Cl)Cl)Cl
  InChI: InChI=1S/C12H5Cl5/c13-8-7(6-4-2-1-3-5-6)9(14)11(16)12(17)10(8)15/h1-5H 
  InChIKey: GGMPTLAAIUQMIE-UHFFFAOYSA-N

Uses

 Pentachlorobiphenyl (CAS NO.25429-29-2) were used as coolants and insulating fluids for transformers and capacitors especially in components of early fluorescent light fittings, hydraulic fluids, the PRR GG1 locomotive's electrical transformers, plasticizers in paints and cements, stabilizing additives in flexible PVC coatings of electrical wiring and electronic components, adhesives, pesticide extenders, cutting oils, reactive flame retardants, lubricating oils, sealants (for caulking in schools and commercial buildings), wood floor finishes, paints, and in carbonless copy  paper, de-dusting agents, water-proofing compounds, casting agents, vacuum pump fluids, fixatives in microscopy, surgical implants.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 unreported 3580mg/kg (3580mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(5), Pg. 6, 1988.

Safety Profile

Moderately toxic by unspecified route. When heated to decomposition it emits toxic fumes of Cl.

Specification

 Pentachlorobiphenyl , its CAS NO. is 25429-29-2, the synonyms are Apirolio 1476 C ; Diphenyl pentachloride ; Kanekrol 500 ; Pentachloro-1,1'-biphenyl ; Pentachlorodiphenyl ; Pyralene 1476 ; Pyroclor 5 ; 1,1'-Biphenyl, pentachloro- (9CI) ; Biphenyl, pentachloro- ; Pentachloro(1,1'-biphenyl) .