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67692

Sigma-Aldrich

Iodomethane

purum, ≥99.0% (GC)

Sinónimos:

Methyl iodide

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100 ML
$131.00
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$626.00
1 L
$738.00

About This Item

Fórmula empírica (notación de Hill):
CH3I
Número de CAS:
74-88-4
Peso molecular:
141.94
Beilstein:
969135
Número CE:
200-819-5
Número MDL:
MFCD00001073
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
329760660
NACRES:
NA.21

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densidad de vapor

4.89 (vs air)

Nivel de calidad

200

presión de vapor

24.09 psi ( 55 °C)
7.89 psi ( 20 °C)

grado

purum

Ensayo

≥99.0% (GC)

contiene

silver wool as stabilizer

impurezas

≤0.5% CH2I2

índice de refracción

n20/D 1.530
n20/D 1.531 (lit.)

bp

41-43 °C (lit.)
41-43 °C

mp

−64 (lit.)

solubilidad

water: soluble 14 g/L at 20 °C

densidad

2.28 g/mL at 25 °C (lit.)

grupo funcional

alkyl halide
iodo

cadena SMILES

CI

InChI

1S/CH3I/c1-2/h1H3

Clave InChI

INQOMBQAUSQDDS-UHFFFAOYSA-N

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Descripción general

Iodomethane (Methyl iodide) is a colorless liquid. It can be prepared by reacting dimethyl sulfate with concentrated KI. Reaction of iodine and phosphorous with methanol has been reported to afford iodomethane.[1] It reacts with tris(triphenylphosphine)chlororhodium(I) to afford the octahedral complex of rhodium(III), [RhlCl(CH3)(PPh3)2(ICH3)].[2] Kinetics of its reaction with atomic chlorine in the gas phase has been investigated. The absolute rate constant of the reaction has been reported.[3]

Aplicación

Iodomethane (Methyl iodide) may be employed in the preparation of stable neutral solutions of hypoiodous acid[4] and various methyl esters.[5]

Palabra de señalización

Danger

Clasificaciones de peligro

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

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

89.8 °F - closed cup

Punto de inflamabilidad (°C)

32.1 °C - closed cup

Equipo de protección personal

Faceshields, Gloves, Goggles

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Certificados de análisis (COA)

Lot/Batch Number
STBL1502
STBL1571
SDBB0642
STBL0059
STBK6017

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

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    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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