Sodium lauryl sulphate |
Last updated: 22/08/2024
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(Also known as: sodium lauryl sulfate; SLS) |
Sodium lauryl sulfate is an anionic surfactant commonly used in detergents and cleaning. While widely used in pesticide formulations as a surfactant and dispersant it is considered an inert ingredient without pesticidal activity. However, products are available, largely for the domestic market, which are used to control common insect pests by physical rather than toxic effects. It is highly soluble in water and non-volatile. It tends not to be persistent in the environment. It is highly toxic to aquatic organisms. It is low to moderately toxic to humans but may cause allergic reactions of skin, eye or respiratory tract. |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
Environmental fate |
Ecotoxicity |
Human health |
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A substance mainly used as a surfactant. It has no pesticidal activity but helps control chewing and sucking pests by physical means. Also used in hygiene. personal care products and cosmetics. |
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Aphids; Mealybugs; Immature mosquitoes; Whitefly; Spider Scale; Psyllid |
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All edible and ornamental crops |
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Based on published science it highly effective as a surfactant. Limited effect as a pesticide. |
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- |
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Current |
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- |
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- |
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Not applicable - not appp |
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Not applicable |
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Not applicable |
EC Regulation 1107/2009 (repealing 91/414) |
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Not applicable - not a ppp |
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Not applicable |
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Not applicable |
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Not applicable |
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No - not a ppp |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
# |
# |
# |
# |
# |
# |
# |
# |
# |
ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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# |
# |
# |
# |
# |
# |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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# |
# |
# |
# |
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# |
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# |
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ISIceland |
NONorway |
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None |
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C₁₂H₂₅O₄SNa |
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CCCCCCCCCCCCOS(=O)(=O)[O-].[Na+] |
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- |
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DBMJMQXJHONAFJ-UHFFFAOYSA-M |
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InChI=1S/C12H26O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1 |
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Yes |
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Insecticide, Other substance |
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Surfactant; Wetting agent |
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Inorganic compound |
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- |
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- |
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Natural |
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Physical means - oxygen deprivation - suffocation and dehydration. Acts similarly to that of horticultural soaps. |
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Occurs in nature in palm kernel oil and coconut oil |
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Produced commercially by the ethoxylation of dodecyl alcohol, which is produced from palm kernel oil or coconut oil. |
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Crop protection |
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Aphids; Mealybugs; Immature mosquitoes; Whitefly; Spider Scale; Psyllid |
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All edible and ornamental crops |
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- |
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151-21-3 |
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205-788-1 |
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- |
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079011 |
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- |
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No data found |
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288.38 |
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sodium dodecylsulfate |
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sodium dodecylsulfate |
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- |
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[Potential serious water contaminant], [Approved under Cosmetics Regulation of the European Union; US EPA] |
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- |
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Not applicable |
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Not applicable |
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UNM |
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Not applicable |
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Not applicable |
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Cream coloured flaky solid with musky odour |
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Available in a variety of formulations including ready-to0use mixes |
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100000 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data |
High |
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- |
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204 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data |
- |
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588 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data |
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3.98 X 1001 |
Calculated |
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1.6 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data |
Low |
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- |
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0.6 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data |
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- |
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1.47 X 10-06 |
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source |
Low volatility |
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Biodegradable under aerobic conditions |
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3.0 |
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source |
Non-persistent |
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3.0 |
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source |
Non-persistent |
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Literature gives soil DT₅₀ as appox. 77.5 hrs |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. |
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Soil adsorption and mobility |
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None
Terrestrial ecotoxicology |
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1288 |
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source Rat |
Moderate |
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24.9 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data Oncorhynchus mykiss |
Moderate |
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- |
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> 3.09 |
Danio rerio Embryo |
Moderate |
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1.8 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data Daphnia magna |
Moderate |
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> 10 |
Ceriodaphnia dubia |
Moderate |
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HUMAN HEALTH AND PROTECTION |
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High (class III) |
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- |
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1288 |
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source Rat |
Moderate |
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600 |
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data Rabbit |
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Negligible risk based on proposed pattern of use |
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Minimal risk based on proposed pattern of use. PPC recommended |
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Carcinogen |
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Endocrine disruptor |
XNo, known not to cause a problem |
A0 A = Chromosome aberration (EFSA database) 0 = No data ; B0 B = DNA damage/repair (EFSA database) 0 = No data ; C0 C = Gene mutation (EFSA database) 0 = No data ; D0 D = Genome mutation (EFSA database) 0 = No data ; E0 E = Unspecified genotoxicity type (miscellaneous data source) 0 = No data |
XNo, known not to cause a problem |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
No data found |
XNo, known not to cause a problem |
No data found |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
✓Yes, known to cause a problem |
✓Yes, known to cause a problem |
XNo, known not to cause a problem |
Eye irritant |
Phototoxicant |
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✓Yes, known to cause a problem |
No data found |
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May cause ulceration of oral tissues |
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Not explosive Avoid contact with strong acids, alkalis and oxidising agents Not expected to auto-ignite; Not highly flammable |
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Health: H315, H319 |
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Not listed (Not listed) |
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Not regulated |
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sodium lauryl sulphate |
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Record last updated: |
22/08/2024 |
Contact: |
aeru@herts.ac.uk |
Please cite as: |
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |