![2-Chloromethyl-2,3-dihydrothieno[3,4-b]-1,4-dioxine 95%](/deepweb/assets/sigmaaldrich/product/structures/422/187/4cc7b858-9e06-4ce2-8d39-d817b8313964/640/4cc7b858-9e06-4ce2-8d39-d817b8313964.png)
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
E36652
2-Ethyl-4-methylimidazole
95%
Synonym(s):
EMI-2,4
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Estimated to ship onSeptember 08, 2026fromMILWAUKEE | $61.30 $45.97 |
100 g | Estimated to ship onSeptember 08, 2026fromMILWAUKEE | $86.80 |
About This Item
$45.97
List Price$61.30Save 25%Estimated to ship onSeptember 08, 2026Details
Quality Segment
assay
95%
refractive index
n20/D 1.5 (lit.)
bp
292-295 °C (lit.)
mp
47-54 °C (lit.)
density
0.975 g/mL at 25 °C (lit.)
SMILES string
CCc1nc(C)c[nH]1
InChI
1S/C6H10N2/c1-3-6-7-4-5(2)8-6/h4H,3H2,1-2H3,(H,7,8)
InChI key
ULKLGIFJWFIQFF-UHFFFAOYSA-N
Application
- cross-linker for epoxy resins to synthesize network polymers with improved thermal resistance and physical properties.
- curing agent for polysiloxane episulfide resin (PSER).
- catalyst to promote curing of blends of hyperbranched aromatic epoxy polymer and bisphenol F diglycidyl ether.
1 of 1
This Item | |||
|---|---|---|---|
| description 95% | description ≥95% (HPLC) | description ≥95% | description 95% |
| assay 95% | assay ≥95% (HPLC) | assay ≥95% | assay 95% |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| mp 47-54 °C (lit.) | mp - | mp - | mp 39-44 °C |
| refractive index n20/D 1.5 (lit.) | refractive index - | refractive index - | refractive index - |
| density 0.975 g/mL at 25 °C (lit.) | density - | density - | density - |
| bp 292-295 °C (lit.) | bp - | bp - | bp - |
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
278.6 °F - closed cup
flash_point_c
137 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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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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