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Merck
CN

112771

Methyl isothiocyanate

97%

Synonym(s):

Isothiocyanatomethane, Isothiocyanic acid methyl ester

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About This Item

Linear Formula:
CH3NCS
CAS Number:
556-61-6
Molecular Weight:
73.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24847115
EC Number:
209-132-5
Beilstein/REAXYS Number:
605319
MDL number:
MFCD00004818

Key Documents

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Product Name

Methyl isothiocyanate, 97%

assay

97%

InChI key

LGDSHSYDSCRFAB-UHFFFAOYSA-N

InChI

1S/C2H3NS/c1-3-2-4/h1H3

SMILES string

CN=C=S

vapor pressure

21 mmHg ( 20 °C)

bp

117-118 °C (lit.)

mp

30-34 °C (lit.)

solubility

H2O: slightly soluble

density

1.069 g/cm3 at 25 °C (lit.)

functional group

amine
isothiocyanate

Quality Level

200

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Application

Methyl isothiocyanate can be used:
  • For amino acid sequence analysis
  • To study the effect of pesticide Metam (methyl isothiocyanate is its active ingredient) in the streamside microbial communities

General description

Methyl isothiocyanate (MITC) is a common soil fumigant byproduct that is toxic and corrosive, skin and respiratory irritant. It can be degraded and removed from contaminated waters by free radical reactions†.

Methyl isothiocyanate is an active chemical used as an anti-fermentative agent in wine and as an effective insecticide.

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Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

86.0 °F - closed cup

flash_point_c

30 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBQ9309
STBK9417
STBH5869
STBF5810V
STBF5809V

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Bio-inspired ultrasensitive colorimetric detection of methyl isothiocyanate on nylon-6 nanofibrous membrane: A comparison of biological thiol reactivities
Peixin T et al.
Journal of Hazardous Materials, 362, 375-382 (2019)
Microbial ecology, toxicology and chemical fate of methyl isothiocyanate in riparian soils from the upper Sacramento river.
Environmental Toxicology and Chemistry / Setac, 15(10), 1694-1701 (1996)
Methyl isothiocyanate in wine.
C Rostron
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 30(9), 821-823 (1992-09-01)
Yonglin Ren et al.
Journal of economic entomology, 101(2), 623-630 (2008-05-08)
Australian Standard White wheat, Triticum aestivum L. (a marketing grade with mixed grain hardness),with a moisture content of 12.5% was fumigated with a new ethyl formate formulation (95% ethyl formate plus 5% methyl isothiocyanate) identified and developed by Commonwealth Scientific
William S Cain et al.
Regulatory toxicology and pharmacology : RTP, 58(2), 173-180 (2010-07-17)
An unpublished laboratory study by Russell and Rush (1996) showed that human subjects sense the presence of methyl isothiocyanate (MITC) via the eyes at concentrations as low as hundreds of ppb in air, with dependence upon duration of exposure. The
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