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1,2-dibromoethane
** EDB ** glycol bromide ** sym-dibromide ** ethylene dibromide ** glycol dibromide ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for 1,2-dibromoethane

Description: A largely obsolete post-harvest pesticide, often used in mixtures, to control termites and other insect pests

Example pests controlled: Termites; Ants; Japanese and other beetles; Moths; Nematodes; Wireworms

Example applications: Fruit including citrus, tropical fruit; Vegetables; Cereals

Efficacy & activity: -

Availability status: Obsolete

Introduction & key dates: -

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Expired, banned
EU Candidate for substitution (CfS) Not applicable
Listed in EU database Yes

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism None
Chemical formula C2H4Br2
Canonical SMILES C(CBr)Br
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) PAAZPARNPHGIKF-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C2H4Br2/c3-1-2-4/h1-2H2
2D structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Insecticide, Fumigant
Substance group Unclassified
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Toxin attacking central nervous system
CAS RN 106-93-4
EC number 203-444-5
CIPAC number -
US EPA chemical code 042002
PubChem CID 7839
CLP index number 602-010-00-6
Molecular mass (g mol-1) 187.86
PIN (Preferred Identification Name) -
IUPAC name ethylene dibromide
CAS name 1,2-dibromoethane
Other status information Chemical subject to PIC regulations; Potential groundwater contaminant; POP
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not known
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state Colourless liquid
Related substances & organisms

Formulations:
Property Click here for information on the general product and branding information used on this site Value
Example manufacturers & suppliers of products using this active now or historically
  • United Phosphorous Ltd
  • Dow
Example products using this active
  • Bromofume
  • Dowfume
  • Iscobrome
  • Soilbrom
  • Soilfume
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Fumigant.


ENVIRONMENTAL FATE

for 1,2-dibromoethane

Property Click here for information on the parameters used to describe environmental fate on this site Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with fate data Interpretation Click here for information on the way in which we interpret environmental fate data
Solubility - In water at 20oC (mg l-1) 4150 F4 - @ 25 DegC High
Solubility - In organic solvents at 20oC (mg l-1) Miscible CA3 - Ethanol -
Miscible CA3 - Diethyl ether -
Melting point (oC) 9.8 F4 -
Boiling point (oC) 131 F4 -
Degradation point (oC) - - -
Flashpoint (oC) 132 L3 -
Octanol-water partition coefficient at pH 7, 20oC P 9.12 X 1001 Calculated -
Log P 1.96 V3 Low
Bulk density (g ml-1)/Specific gravity 2.17 F4 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 1.49 X 1006 V3 - @ 25 degC Highly volatile
Henry's law constant at 25oC (Pa m3 mol-1) 6.59 X 1009 V3 - @ 25 degC Volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 7.92 Calculated High leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Value 4.51 X 10+01 Calculated -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - Calculated Medium
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Click here for information on the parameters used to describe substance degradation Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with degradation data Interpretation Click here for information on the way in which we interpret substance degradation data
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) 100 G3 Persistent
DT50 (lab at 20oC) 70 CA3 Moderately persistent
DT50 (field) 7000 CA1 Very persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note General literature states DT50 1.5 to 18 weeks (CA3); In field - small proportion of residues very persistent - 19 years (CA3)
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
Note -
Water-sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Click here for information on the parameters used to describe substance adsorption and mobility Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretation Click here for information on the way in which we interpret substance adsorption and mobility
Linear Kd - R4 Moderately mobile
Koc 87
Notes and range Koc range 14-160 mL/g; Other sources: 66 mL/g (P4)
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for 1,2-dibromoethane

Property Click here for information on the parameters used to describe substance ecotoxicology Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretation Click here for information on the way in which we interpret substance ecotoxicology
Bio-concentration factor BCF (l kg-1) Low risk Q3 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 108 E3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 130 V3 Coturnix japonica Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 18 F4 Lepomis macrochirus Moderate
Fish - Chronic 21 day NOEC (mg l-1) > 5.81 P3 Oryzias latipes, 28 day Moderate
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) > 119 F4 Daphnia magna Low
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Unknown mode acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Bumblebees (Bombus spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Mason bees (Osmia spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Other pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms Acute LC50 (mg kg-1) - - -
Chronic NOEC (mg kg-1) - - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for 1,2-dibromoethane

General:
Property Click here for information on the parameters used to describe human health and protection issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with human health and protection data Interpretation Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (Class III) - -
Mammals - Acute oral LD50 (mg kg-1) 108 E3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) 300 E3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 - - -
Exposure Routes Public Risk of exposure from agricultural sources is negligible
Possible risk in some countries via consumption of contaminated drinking water
Occupational May be absorped through inhalation, ingestion, or the skin
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards Non-statutory WHO drinking water guideline 0.0004 mg/L UK EA QS database, 2018 -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

A0; B0; C0; D0; E0

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Possible liver and kidney toxicant
May cause testicular damage and antispermatogenic effects
High does may lead to death
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Property Click here for information on the parameters used to describe substance handling issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with data on handling issues Interpretation Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes Corrosive
IMDG Transport Code is usually 6.1
CLP classification 2013 Health: H301, H311, H315, H319, H331, H335, H350
Environment: H411
EC Risk Classification Click here to view information omn the EU risk phrases Carcinogen category 2: R45
T - Toxic: R23, R24, R25
Xi - Irritant: R36, R37, R38
N - Dangerous for the environment: R51, R53
EC Safety Classification Click here to view information omn the EU safety phrases S45, S53, S61
WHO Classification O - Obsolete substance
UN Number Usually 1605
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group I (great danger)


TRANSLATIONS

for 1,2-dibromoethane

Language Name
English 1,2-dibromoethane
French dibromure d'ethylene
German 1,2-Dibromaethan
Danish -
Italian 1,2-dibromoetano
Spanish -
Greek -
Slovenian -
Polish dwubromoetan
Swedish -
Hungarian -
Dutch 1,2-dibroomethaan

Record last updated: Tuesday 10 December 2019
Contact: aeru@herts.ac.uk