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/418/501/product-dating-information-06-25-mk.pdf
67692
Iodomethane
≥99.0% (GC), purum
Synonym(s):
Methyl iodide
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| Size/SKU | Availability | Price |
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About This Item
Product Name
Iodomethane, purum, ≥99.0% (GC)
vapor density
4.89 (vs air)
Quality Segment
vapor pressure
24.09 psi ( 55 °C), 7.89 psi ( 20 °C)
grade
purum
assay
≥99.0% (GC)
contains
silver wool as stabilizer
impurities
≤0.5% CH2I2
refractive index
n20/D 1.530, n20/D 1.531 (lit.)
bp
41-43 °C
mp
−64 (lit.)
solubility
water: soluble 14 g/L at 20 °C
density
2.28 g/mL at 25 °C (lit.)
functional group
alkyl halide, iodo
SMILES string
CI
InChI
1S/CH3I/c1-2/h1H3
InChI key
INQOMBQAUSQDDS-UHFFFAOYSA-N
General description
Application
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥99.0% (GC) | assay 99.5% | assay 99% | assay ≥98% (GC) |
| solubility water: soluble 14 g/L at 20 °C | solubility water: soluble 14 g/L at 20 °C | solubility - | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| bp 41-43 °C | bp 41-43 °C (lit.) | bp 41-43 °C (lit.) | bp 42 °C/1013 hPa |
| mp −64 (lit.) | mp −64 (lit.) | mp −64 (lit.) | mp -66 °C |
| density 2.28 g/mL at 25 °C (lit.) | density 2.28 g/mL at 25 °C (lit.) | density 2.28 g/mL at 25 °C (lit.) | density 2.28 g/cm3 at 20 °C |
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signalword
Danger
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
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
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
7440-50-8 + 74-88-4
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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