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I8507

Sigma-Aldrich

Iodomethane

Iodomethane

contains copper as stabilizer, ReagentPlus®, 99%

Synonym(s):

Methyl iodide

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5 ML
327,00 kr
100 ML
1 280,00 kr
500 ML
5 290,00 kr
1 L
7 620,00 kr

327,00 kr

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5 ML
327,00 kr
100 ML
1 280,00 kr
500 ML
5 290,00 kr
1 L
7 620,00 kr

About This Item

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

327,00 kr

Please contact Customer Service for Availability
Request a Bulk Order

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

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.[1] The mechanism of the gas-phase reaction of iodomethane with chlorine atom has been described.[2] The dynamics of photolysis of iodomethane have been studied using multiphoton ionization.[3] The interaction of iodomethane with Cu(111) surface has been analyzed.[4]

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.[5] It may be used to prepare (E)-1-iodopropene[6] and N,N,N-trimethylchitosan (TMC).[7]

Legal Information

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

accessory

Product No.
Description
Pricing

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

89.8 °F - closed cup

Flash Point(C)

32.1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBL1502
MKCP7973
MKCW8402
STBL1571
SDBB0642

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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)
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)
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)
Methyl iodide, an ozone-safe alternative to methyl bromide as a soil fumigant.
Ohr HD, et al.
Plant Disease, 80(7), 731-735 (1996)
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Questions

1–4 of 4 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  3. What is the density of the product?

    1 answer

    1. As mentioned in the PROPERTIES section, the density of this product is 2.28 g/mL at 25 °C (lit.).

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  4. What is the density of the product?

    1 answer

    1. As mentioned in the PROPERTIES section, the density of this product is 2.28 g/mL at 25 °C (lit.).

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