Methyl Isothiocyanate
| 来源-本站收集整理 | 作者-本站 | 2012-05-23

methyl isothiocyanate (Ref: SN-32866)
** methyl mustard oil ** MITC ** isothiocyanic acid methyl ester ** MIT ** R014821 ** Translations

Environmental Fate - Ecotoxicology - Human Health

GENERAL INFORMATION

Description: Multipurpose soil fumigant used to control nematodes, soil insects, fungi and weed seeds. Also a pesticide transformation product.

Introduction: -

EC Directive 1107/2009 (repealing 91/414):

Status Not applicable
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Not applicable

Approved for use (√) or known to be used (#) in the following European countries:

AT

BE

BG

CY

CZ

DE

DK

EE

ES

FI

FR

GR

HU

IE

                           

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

                         

General status:

Pesticide type Metabolite, Fungicide, Nematicide, Herbicide, Insecticide
Metabolite Type Soil
Substance group Unclassified
Substance origin Synthetic
Mode of action Fumigant with contact action
CAS RN 556-61-6
EC number 209-132-5
CIPAC number -
US EPA chemical code 068103
Chemical formula C2H3NS
SMILES O=C(Oc1cc(c(c(c1)C)S(=O)C)C)NC
International Chemical Identifier (InChI) InChI=1/C2H3NS/c1-3-2-4/h1H3
Structure diagram/image available? Yes
Molecular mass (g mol-1) 73.11
IUPAC Name methyl isothiocyanate
CAS Name isothiocyanatomethane
Other status information -
Herbicide Resistance Classification (HRAC) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not known
Physical state Colourless crystalline solid
Related substances & organisms -

Can be a metabolite of:

Parent Formation Medium Estimated Maximum Occurrence Fraction 91/414 Relevancy
metam-sodium Soil   0.829   Major fraction, Relevant
dazomet Soil   0.740   Major fraction, Relevant
metam-potassium Soil   0.829   Major fraction, Relevant
imazalil Soil   0.096   Minor fraction, Relevant

Formulations:

Property Value
Example manufacturers of products using this active -
Example products using this active -
UK LERAP status Not applicable
Formulation and application details -


ENVIRONMENTAL FATE

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 8940 A5 High
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting Point (oC) 35 E3 -
Boiling Point (oC) 119 V3 -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 1.12 X 1001 Calculated -
Log P 1.05 A5 Low
Bulk density (g ml-1)/Specific gravity 1.07 E3 -
Dissociation constant (pKa) at 25oC 12.3 Q3 -
Note: Strong base
Vapour pressure at 25oC (mPa) 1739000 A5 Volatile
Henry's law constant at 25oC (Pa m3 mol-1) 14.2 A5 Moderately volatile
Henry's law constant at 20oC (dimensionless) 5.84 X 10-03 Calculated Volatile
GUS leaching potential index 1.21 Calculated Low leachability
SCI-GROW groundwater index (g l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value 2.71 X 10-03 Calculated -
Note -
Potential for particle bound transport index - Calculated Low
Maximum UV-vis absorption L mol-1 cm-1 Neutral soln: 235nm=635, 283nm=65, 321nm=17
Alkaline soln: 276nm=46, 320nm=5, 290nm=>10
Acidic soln: 235nm=635, 283nm=23, 290nm=>10
A5 -
Surface tension (mN m-1) - - -
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