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Merck
CN

I8507

Iodomethane

99%, liquid, suitable for synthesis, ReagentPlus®, contains copper as stabilizer

Synonym(s):

Methyl iodide

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About This Item

Empirical Formula (Hill Notation):
CH3I
CAS Number:
74-88-4
Molecular Weight:
141.94
NACRES:
NA.21
PubChem Substance ID:
24896140
UNSPSC Code:
12352100
EC Number:
200-819-5
MDL number:
MFCD00001073
Beilstein/REAXYS Number:
969135
Assay:
99%
Bp:
41-43 °C (lit.)
Vapor pressure:
24.09 psi ( 55 °C), 7.89 psi ( 20 °C)

Key Documents

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Product Name

Iodomethane, contains copper as stabilizer, ReagentPlus®, 99%

vapor density

4.89 (vs air)

Quality Level

200

vapor pressure

24.09 psi ( 55 °C), 7.89 psi ( 20 °C)

product line

ReagentPlus®

assay

99%

form

liquid

contains

copper as stabilizer

dilution

(for general lab use)

refractive index

n20/D 1.531 (lit.)

pH

6.3 (21.1 °C)

bp

41-43 °C (lit.)

mp

−64 (lit.)

density

2.28 g/mL at 25 °C (lit.)

functional group

alkyl halide, iodo

storage temp.

2-8°C

SMILES string

CI

InChI

1S/CH3I/c1-2/h1H3

InChI key

INQOMBQAUSQDDS-UHFFFAOYSA-N

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General description

Iodomethane also known as methyl iodide is a methylating agent. Its potential as an alternative to methyl bromide for soil fumigation has been studied. The mechanism of the gas-phase reaction of iodomethane with chlorine atom has been described. The dynamics of photolysis of iodomethane have been studied using multiphoton ionization. The interaction of iodomethane with Cu(111) surface has been analyzed.

Application

Iodomethane (Methyl iodide) has been used to generate iodide water cluster reagent ions for ToF-CIMS (time-of-flight chemical ionization mass spectrometry) analysis. It may be used to prepare (E)-1-iodopropene and N,N,N-trimethylchitosan (TMC).

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

flash_point_f

89.8 °F - closed cup

flash_point_c

32.1 °C - closed cup

ppe

Faceshields, Gloves, Goggles

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX6327
BCCN9500
MKCX7517
BCCN9499
STBL1502

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Methyl iodide, an ozone-safe alternative to methyl bromide as a soil fumigant.
Ohr HD, et al.
Plant Disease, 80(7), 731-735 (1996)
Methyl rotation, vibration, and alignment from a multiphoton ionization study of the 266 nm photodissociation of methyl iodide.
Loo RO, et al.
J. Chem. Phys. , 90(8), 4222-4236 (1989)
High-resolution chemical ionization mass spectrometry (ToF-CIMS): application to study SOA composition and processing.
Aljawhary D, et al.
Atmospheric Measurement Techniques, 6(11), 3211-3224 (2013)
Methylation of chitosan with iodomethane: effect of reaction conditions on chemoselectivity and degree of substitution.
Curti E, et al.
Macromolecular Bioscience, 3(10), 571-576 (2003)
Platinum-catalyzed addition of iodomethane to acetylene.
Mitchenko SA, et al.
Russian Chemical Bulletin, 62(4), 984-988 (2013)
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Global Trade Item Number

SKUGTIN
I8507-5G04061837550768
I8507-500ML04061837550751
I8507-5ML04061837550775
I8507-10KG04061833428443
I8507-100ML04061833858585
I8507-100G04061833858578
I8507-25KG04061833858608
I8507-1L04061833858592
I8507-2KG04061837550720
I8507-500G04061833858622
I8507-4X100G04061833858615

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