Degradation:
| Property |
Value |
Source/Quality Score/Other Information |
Interpretation |
| Soil degradation (days) (aerobic) |
DT50 (typical) |
2.63 |
A4 |
Non-persistent |
| DT50 (lab at 20oC) |
2.63 |
A5 |
Non-persistent |
| DT50 (field) |
2.1 |
A5 |
Non-persistent |
| DT90 (lab at 20oC) |
11.2 |
A5 |
- |
| DT90 (field) |
- |
- |
- |
| Note |
EU dossier (metam) lab studies DT50 range: 0.97-8.31 days, DT90 range 3.2-27.6 days; field studies DT50 range 1.3-20.3 days; EU dossier (dazomet) lab studies range 5-32.7 days; Other literature studies Lab range - 24 soils, nursery and forest, various app rates |
| Aqueous photolysis DT50 (days) at pH 7 |
Value |
6 |
K2 |
Moderately fast |
| Note |
- |
| Aqueous hydrolysis DT50 (days) at 20oC and pH 7 |
Value |
50 |
A3 |
Moderately persistent |
| Note |
- |
| Water-Sediment DT50 (days) |
0.37 |
A5 |
Fast |
| Water phase only DT50 (days) |
- |
- |
- |
Soil adsorption and mobility:
| Property |
Value |
Source/Quality Score/Other Information |
Interpretation |
| Linear
| Kd |
- |
- |
- |
| Koc |
- |
| Notes and range |
- |
| Freundlich
| Kf |
0.35 |
A5 |
Very mobile |
| Kfoc |
13.5 |
| 1/n |
0.830 |
| Notes and range |
EU dossier Kf range 0.21-0.43, Kfoc range 9.0-20.2ml/g, 1/n range 0.755-9.05, Soils=5 |
| pH sensitivity |
No |
ECOTOXICOLOGY
| Property |
Value |
Source/Quality Score/Other Information |
Interpretation |
| Bio-concentration factor |
BCF |
2.6 |
K2 Estimated |
Low potential |
| CT50 (days) |
Not available |
- |
| Bioaccumulation potential |
- |
Calculated |
Low |
| Mammals - Acute oral LD50 (mg kg-1) |
147 |
A5 Rat |
Moderate |
| Mammals - Short term dietary NOEL |
(mg kg-1) |
- |
- |
- |
| (ppm diet) |
- |
- |
| Birds - Acute LD50 (mg kg-1) |
136 |
V3 Anas platyrhynchos |
Moderate |
| Birds - Short term dietary (LC50/LD50) |
- |
- |
- |
| Fish - Acute 96 hour LC50 (mg l-1) |
0.0531 |
A5 Oncorhynchus mykiss |
High |
| Fish - Chronic 21 day NOEC (mg l-1) |
0.005 |
A5 Oncorhynchus mykiss, 28 day |
- |
| Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) |
0.076 |
A5 Daphnia magna |
High |
| Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) |
0.00625 |
A5 Daphnia magna |
- |
| 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) |
0.59 |
A5 Lemna gibba |
Moderate |
| Algae - Acute 72 hour EC50, growth (mg l-1) |
0.58 |
A5 Pseudokirchneriella subcapitata |
Moderate |
| Algae - Chronic 96 hour NOEC, growth (mg l-1) |
> 0.125 |
L2 Unknown species |
Moderate |
| Honeybees - Acute 48 hour LD50 (g bee-1) |
- |
- |
- |
| Earthworms - Acute 14 day LC50 (mg kg-1) |
4.0 |
A5 Eisenia foetida |
High |
| Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) |
- |
- |
- |
| Other soil macro-organisms - e.g. Collembola |
LR50product ha
EC50product ha
NOECproduct ha
% Effect |
- |
- |
- |
| 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
General:
| Property |
Value |
Source/Quality Score/Other Information |
Interpretation |
| Mammals - Acute oral LD50 (mg kg-1) |
147 |
A5 Rat |
Moderate |
| Mammals - Dermal LD50 (mg kg-1 body weight) |
> 1290 |
A5 Rabbit |
- |
| Mammals - Inhalation LC50 (mg l-1) |
0.54 |
A5 Rat |
- |
| Other Mammal toxicity endpoints |
- |
|
- |
| ADI - Acceptable Daily Intake (mg kg-1bw day-1) |
0.004 / 0.001 |
A5 Dog, SF=100 / variable data across EU dossiers |
- |
| ARfD - Acute Reference Dose (mg kg-1bw day-1) |
0.03 |
A5 Rat |
- |
| AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) |
0.004 |
A5 Rat |
- |
| Dermal penetration studies (%) |
- |
- |
- |
| Dangerous Substances Directive 76/464 |
- |
- |
- |
| Exposure Limits |
- |
- |
- |
| Exposure Routes |
Public |
[Some bystander risk identified via spray drift exposure] |
| Occupational |
[May be fatal if absorbed through the skin], [Respiratory equipment required to mitigate risk], [Risks identified in glasshouse environments] |
| Examples of European MRLs (mg kg-1) |
Value |
- |
| Note |
For the EU pesticides database click here |
| Drinking Water MAC (g l-1) |
0.1 |
A5 EU Dir 89/778/EC limit |
- |
Health issues:
| Carcinogen |
Mutagen |
Endocrine disrupter |
Reproduction / development effects |
|
- |
- |
- |
? |
| Acetyl cholinesterase inhibitor |
Neurotoxicant |
Respiratory tract irritant |
Skin irritant |
Eye irritant |
|
- |
- |
- |
√ |
√ |
| General human health issues |
[Toxic by ingestion], [Harmful via skin exposure and inhalation], [Possible thyroid toxicant], [Skin sensitiser] |
√ : Yes, known to cause a problem
× : No, known not to cause a problem
? : Possibly, status not identified
- : No data
Handling issues:
| Property |
Value |
Source/Quality Score/Other Information |
Interpretation |
| General |
[Corrosive], [Not explosive or oxidising] |
| EC Risk Classification |
[T - Toxic: R23/25], [Xn - Harmful: R21], [C - Corrosive: R34], [N - Dangerous for the environment: R50, R53] |
| EC Safety Classification |
S1/2, S36/37/39, S38, S45, S60, S61 |
| WHO Classification |
II |
- |
Moderately hazardous |
| US EPA Classification (formulation) |
Not applicable |
- |
- |
| UN Number |
- |
| Waste disposal & packaging |
- |
TRANSLATIONS
| Language |
Name |
| English |
methyl isothiocyanate |
| French |
isothiocyanate de methyle |
| German |
Methylisothiocyanat |
| Danish |
methylisothiocyanat |
| Italian |
Isotiocianato di metile |
| Spanish |
isotiocianato de metilo |
| Greek |
- |
| Slovenian |
metil izotiocianat |
| Polish |
metyloizotiocyjanian |
| Swedish |
- |
| Hungarian |
- |
| Dutch |
methylisothiocyanaat |
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