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acetic acid
** acetyl hydroxide ** ethylic acid ** methanecarboxylic acid ** glacial acetic acid ** vinegar ** 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 acetic acid

Description: Used to control a wide variety of annual and perennial broad-leaved weeds and grasses on non-cropped areas. May also be pesticide transformation product.

Example pests controlled: Foxtails; Lambsquarters; Pigweed; Velvetleaf; Canada thistle

Example applications: Non-cropped areas; Hard surfaces including walkways, pavements

Efficacy & activity: -

Availability status: Current

Introduction & key dates: -

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Austria/Netherlands
Date inclusion expires 31/08/2022
EU Candidate for substitution (CfS) No
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 CH3COOH
Canonical SMILES CC(=O)O
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) QTBSBXVTEAMEQO-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
2D structure diagram/image available? Yes

Click to access the Cambridge Crystallographic Data Centre (CCDC) website
Cambridge Crystallographic Data Centre diagrams:
Common Name Relationship Link
Acetic acid - Click here for the CCDC structure diagram

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Herbicide, Metabolite
Metabolite Type Soil, Plant, Animal
Substance group Unclassified
Minimum active substance purity 980 g/Kg
Known relevant impurities EU dossier - None declared
Substance origin Synthetic
Mode of action Broad-spectrum, contact action, effect arises from the corrosive nature of the substance
CAS RN 64-19-7
EC number 200-580-7
CIPAC number None allocated
US EPA chemical code 044001
PubChem CID 176
Molecular mass (g mol-1) 60.05
PIN (Preferred Identification Name) -
IUPAC name ethanoic acid
CAS name Acetic acid
Other status information EC 2232/96 Annex 1 registered as food flavouring agent
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state Colourless liquid or crystals
Related substances & organisms -

Can be a metabolite of:
Parent Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
thiodicarb Soil     Not relevant
acetochlor Soil     Not relevant

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
  • Doff
  • Headland Amenity
  • Unicrop
  • Ecoval Corps
Example products using this active
  • Acetum
  • Natural Weed Spray #1
  • Ecoclear
  • Natures Glory Weed & G rass Killer
UK LERAP status None
Formulation and application details Usually supplied as a soluble concentrate that is mixed with water and used as a spray.


ENVIRONMENTAL FATE

for acetic acid

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) 1050000 A5 High
Solubility - In organic solvents at 20oC (mg l-1) >200000 A5 - Toluene -
>200000 A5 - Isopropanol -
>200000 A5 - Ethyl acetate -
>200000 A5 - Acetone -
Melting point (oC) 16.7 A5 -
Boiling point (oC) 118 A5 -
Degradation point (oC) No decomposition below boiling point A5 -
Flashpoint (oC) 39 P3 - (closed cup) -
Octanol-water partition coefficient at pH 7, 20oC P 1.23 X 1000 Calculated -
Log P 0.09 A5 Low
Bulk density (g ml-1)/Specific gravity 1.0492 A5 -
Dissociation constant (pKa) at 25oC 4.75 A5 -
Note: Weak acid, 25DegC
Vapour pressure at 20oC (mPa) 1.57 X 1006 A5 Highly volatile
Henry's law constant at 25oC (Pa m3 mol-1) 9.3 X 10-02 A5 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index -0.13 Calculated Low 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 2.33 X 10-03 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 Low
Maximum UV-vis absorption L mol-1 cm-1 Does not absorb light with wavelengths >290nm CA3 -
Surface tension (mN m-1) 27.5 A5 -

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) 1.2 A5 Non-persistent
DT50 (lab at 20oC) 0.95 A5 Non-persistent
DT50 (field) - - -
DT90 (lab at 20oC) 3.2 A5 -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note EU dossier states DT50 range 0.7-1.23 days, DT90 range 2.5-4.1 days; Other literature study reports DT50 24 mins (R3).
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) 1.2 A5 Moderately fast

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 - A5 Very mobile
Koc 0
Notes and range EU dossier Koc = 0; Other literature Koc values of 6.5 to 228 ml/g quoted
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity No


ECOTOXICOLOGY

for acetic acid

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) 3.2 CA3 Low potential
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 3530 A5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 45.0 A5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 31.5 A5 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 37.9 A5 Daphnia magna Low
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) 16.0 A5 Lemna gibba, biomass Low
Non-target plants 32.7 A5 Sinapis alba
Vegetative vigour, ER50
as L/ha
-
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 8.1 A5 Pseudokirchneriella subcapitata Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 96 A4 Moderate
Oral acute 48 hour LD50 (μg bee-1) > 110 A4 Low
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) > 1000 A5 Eisenia foetida Low
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 831 mL product ha-1 (Natural Weed Spray #1: Conc 240 g l-1)
A5 Typhlodromus pyri
-
% Effect - - -
Other arthropod (2) LR50 g ha-1 1124 mL product ha-1 (Natural Weed Spray #1: Conc 240 g l-1)
A5 Aphidius rhopalosiphi
-
% Effect - - -
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A5
Dose: 750 kg ha-1, 28 days
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for acetic acid

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 Low (class I) - -
Mammals - Acute oral LD50 (mg kg-1) 3530 A5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) 1060 P3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) 40.0 A5 Rat, 4 hr -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) None allocated A5 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) None allocated A5 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 1.0 A3 Humans as mg/m3 for inhalation -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 - - -
Exposure Limits [TWA (10 ppm); STEL (15 ppm)] V3 -
Exposure Routes Public Risks acceptable for proposed uses
Occupational Risks acceptable for proposed uses
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

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

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Ingestion may cause severe corrosion of the mouth and gastrointestinal tract

: 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 Flammable
Corrosive
Hygroscopic
IMDG Transport Code is usually 8
CLP classification 2013 Handling: H226
Health: H314
EC Risk Classification Click here to view information omn the EU risk phrases Xi - Irritant: R36; R38
H - Handling risks: R10, R35
EC Safety Classification Click here to view information omn the EU safety phrases S1/2, S23, S26, S45
WHO Classification NL - Not listed
US EPA Classification (formulation) No concensus across products or no products available - -
UN Number 2790
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group II (medium danger)


TRANSLATIONS

for acetic acid

Language Name
English acetic acid
French acide acetique
German Essigsaeure
Danish -
Italian acido acetico
Spanish -
Greek -
Slovenian -
Polish Octowy kwas
Swedish attiksyra
Hungarian -
Dutch azijnzuur

Record last updated: Wednesday 31 October 2018
Contact: aeru@herts.ac.uk