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
196118
2,2-Dimethoxy-2-phenylacetophenone
99%
Synonym(s):
α,α-Dimethoxy-α-phenylacetophenone, Benzil α,α-dimethyl acetal
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$81.00
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$81.00
In StockDetails
Quality Level
assay
99%
mp
67-70 °C (lit.)
SMILES string
COC(OC)(C(=O)c1ccccc1)c2ccccc2
InChI
1S/C16H16O3/c1-18-16(19-2,14-11-7-4-8-12-14)15(17)13-9-5-3-6-10-13/h3-12H,1-2H3
InChI key
KWVGIHKZDCUPEU-UHFFFAOYSA-N
Gene Information
human ... ACHE(43), BCHE(590), CES1(1066)
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Related Categories
1 of 4
This Item | 479314 | B8703 | 172006 |
|---|---|---|---|
| assay 99% | assay 99% | assay 96% | assay 97% |
| mp 67-70 °C (lit.) | mp 47.5-48.5 °C (lit.) | mp 47.5-48.5 °C (lit.) | mp 59-61 °C (lit.) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| Gene Information human ... ACHE(43), BCHE(590), CES1(1066) | Gene Information - | Gene Information - | Gene Information - |
Application
- For the photopolymerization of methacrylate monomers in thick sections(~2mm).
- In the preparation of UV-curing silicone rubber with excellent mechanical properties and thermal stability via thiol-ene reaction.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - STOT RE 2
target_organs
oral cavity
Storage Class
11 - Combustible Solids
wgk_germany
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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What is the density of 196118-50G, specifically 2,2-DIMETHOXY-2-PHENYLACETOPHENONE, 99%?
1 answer-
The density of 2,2-DIMETHOXY-2-PHENYLACETOPHENONE, 99% (196118-50G) is 1.1320 g/cm³.
Helpful?
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What UV wavelength, amps, power, frequency, etc can I use with this?
1 answer-
The UV wavelength, amps, power, and frequency are unrecorded for this product.
For photoinitiation to proceed efficiently, the absorption bands of the photoinitiator must overlap with the emission
spectrum of the source and there must be minimal competing absorption by the components of the formulation
at the wavelengths corresponding to photoinitiator excitation. The following research article describes an application using this product in the photopolymerization of methacrylate monomers in thick sections which may be helpful.
https://www.researchgate.net/publication/264681050_Efficiency_of_22-Dimethoxy-2-phenylacetophenone_for_the_Photopolymerization_of_Methacrylate_Monomers_in_Thick_Sections"Helpful?
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