NORMAN Substance Factsheets

Factsheets for: 2,2',3,3',4,5,6'-Heptachlorobiphenyl

CHEMICAL IDENTITY

Norman SusDat IDNS00077035
Name2,2',3,3',4,5,6'-Heptachlorobiphenyl
CAS Registry Number38411-25-5
SMILESClC1=CC=C(Cl)C(=C1Cl)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1
InChIKeyZDLMBNHYTPHDLF-UHFFFAOYSA-N
Molecular structureNot available
Molecular formula
Monoisotopic mass [g/mol]391.805443856
DSSTox Substance IDDTXSID4074142
PubChem CID

MAJOR USES

General information
Relevant media
Use categories - NORMAN
Product and Use Categories - DashBoard
Chemical Functional Use - DashBoard

PROPERTIES

LogKow experimental - DashBoard
LogKow predicted - DashBoard
Solubility experimental (mol/L) - DashBoard
Solubility predicted (mol/L) - DashBoard
Koc_min_experimental (L/kg) - DashBoard
Koc_max_experimental (L/kg) - DashBoard
Koc_min_predicted (L/kg) - DashBoard882132
Koc_max_predicted (L/kg) - DashBoard882132
Biodeg. Half-Life experimental (days) - DashBoard
Biodeg. Half-Life predicted (days) - DashBoard24.5
BCF experimental - DashBoard
BCF predicted - DashBoard301271

ENVIRONMENTAL OCCURENCE (all data)

Occurrence data (NORMAN – all data)

Surface water
(relevant matrix)		 No. of Countries No. of Countries with Analysis > LOQ No. of Stations No. of Stations with Analysis > LOQ No. of Analysis Frequency of Quantification
Value
Score1 n.a. n.a. n.a.

Occurrence data (NORMAN – recent data2)

Surface water
(relevant matrix)		 No. of Countries No. of Countries with Analysis > LOQ No. of Stations No. of Stations with Analysis > LOQ No. of Analysis Frequency of Quantification
Value
Score1 n.a. n.a. n.a.

LOQmin, Median, Max and MEC95 (NORMAN – all data1)

Matrix LOQmin
[µg/L]		 Median concentration [µg/L] Max concentration [µg/L] MEC95 [µg/L] (all data) MEC95 [µg/L] (recent data)

1 According to the NORMAN Prioritisation Methodology (Dulio & von der Ohe 2013)
2 Occurrence data from 2020 – 2025
MEC95 is the 95th percentile of the measured Maximum Environmental Concentrations at one site

ENVIRONMENTAL OCCURENCE (detailed information)

Per Country

CountryNo. of stationsNo. of analyses201620172019
Ukraine69216 70 54 92

Per Matrix

MatrixTotal no. of analysesNo. of analyses above LoQMaxMedianUnitLowest PNECEQS
Surface water - Sea water 80 27 0.00162 0.00009 µg/l 0.0011
Sediments - Coastal water 21 5 33.2 0.25 µg/kg dry weight 48
Biota - Coastal water 7 2 4.63 0.41 µg/kg wet weight 332

(ECO)TOXICITY

Lowest PNEC fresh water (μg/L)0.0011
Experimental / predictedDeterministic
Species n.r.
AF1000
Endpoint
ReferencePNEC-ID-0283110
Lowest PNEC marine water (μg/L)0.00011
Lowest PNEC sediment (µg/kg dw)48
Lowest PNEC biota (µg/kg ww)332

PBT/vPvB & PMT/vPvM (NORMAN)

Under construction

CMR & ED (NORMAN)

Under construction

POTENTIAL RISK OF EXCEEDANCE OF LOWEST PNEC

Summary: Risk of Exceedance of the Lowest PNEC
 ValueScore1
Frequency of Exceedance0.00 %
Extent of Exceedance0.00

1 According to the NORMAN Prioritisation Methodology (Dulio & von der Ohe 2013)

CONCLUSIONS AND RECOMMENDATIONS

Under construction

BIBLIOGRAPHY, SOURCES AND SUPPORTIVE INFORMATION

Dulio V. and Von der Ohe P. (2013) NORMAN Prioritisation framework for emerging substances. NORMAN Association, Verneuil en Halatte, France, 70 pages.

NORMAN organises the development and maintenance of various web-based databases for the collection & evaluation of data / information on emerging substances in the environment

NORMAN Database System

Contact Us

Jaroslav SLOBODNIK
Email: slobodnik@ei.sk
Email: norman@ei.sk
Url: https://www.norman-network.com/
Url: https://www.norman-network.net/
Url: https://www.normandata.eu/

2025 © All Rights Reserved. Privacy Policy

NORMAN website