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141003

Sigma-Aldrich

4-Vinylanisole

greener alternative

97%

Synonym(s):

4-Methoxystyrene

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About This Item

Linear Formula:
H2C=CHC6H4OCH3
CAS Number:
637-69-4
Molecular Weight:
134.18
Beilstein:
1098935
EC Number:
211-298-9
MDL number:
MFCD00008619
UNSPSC Code:
12162002
PubChem Substance ID:
24848486
NACRES:
NA.23
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Assay

97%

form

liquid

greener alternative product score

old score: 6
new score: 4
Find out more about DOZN™ Scoring

greener alternative product characteristics

Atom Economy
Less Hazardous Chemical Syntheses
Design for Energy Efficiency:
Inherently Safer Chemistry for Accident Prevention
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

refractive index

n20/D 1.562 (lit.)

bp

41-42 °C/0.5 mmHg (lit.)

density

1.009 g/mL at 25 °C (lit.)

greener alternative category

Re-engineered,

storage temp.

2-8°C

SMILES string

COc1ccc(C=C)cc1

InChI

1S/C9H10O/c1-3-8-4-6-9(10-2)7-5-8/h3-7H,1H2,2H3

InChI key

UAJRSHJHFRVGMG-UHFFFAOYSA-N

General description

We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Atom economy”, “Design for Energy Efficiency”, “Use of Renewable Feedstock” and “Inherently Safer Chemistry for Accident Prevention”. Click here to view its DOZN scorecard.

Application

Employed in the ferric chloride-catalyzed addition of activated methylenes to styrenes.[1]

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

170.6 °F - closed cup

Flash Point(C)

77 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBK9668
STBK2637
STBG7210
STBF5892V
STBD9813V

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Tetrahedron Letters, 48, 5157-5157 (2007)
Rohit G Jadhav et al.
ChemPlusChem, 85(5), 910-920 (2020-05-14)
In this work, two symmetrical donor-acceptor-donor (D-A-D) type benzoselenadiazole (BSeD)-based π-conjugated molecules were synthesized and employed as an active switching layer for non-volatile data storage applications. BSeD-based derivatives with different donor units attached through common vinylene linkers showed different electrical
Shuliang Yang et al.
Chemistry, an Asian journal, 11(19), 2797-2801 (2016-04-29)
We report an efficient and controllable route to prepare magnetic tubular nanoreactors composed of a mesoporous SiO

Questions

1–2 of 2 Questions  

  1. 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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  2. 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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