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E14403

Sigma-Aldrich

Ethyl α-bromoisobutyrate

98%

Synonym(s):

Ethyl 2-bromo-2-methylpropionate

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$85.00
100 G
$129.00
500 G
$306.00

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5 G
$85.00
100 G
$129.00
500 G
$306.00

About This Item

Linear Formula:
(CH3)2CBrCOOC2H5
CAS Number:
600-00-0
Molecular Weight:
195.05
Beilstein:
1098947
EC Number:
209-980-6
MDL number:
MFCD00000123
UNSPSC Code:
12352100
PubChem Substance ID:
24894409
NACRES:
NA.22

$85.00

In StockDetails

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Quality Level

200

Assay

98%

form

liquid

refractive index

n20/D 1.444 (lit.)

bp

65-67 °C/11 mmHg (lit.)

density

1.329 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)C(C)(C)Br

InChI

1S/C6H11BrO2/c1-4-9-5(8)6(2,3)7/h4H2,1-3H3

InChI key

IOLQWGVDEFWYNP-UHFFFAOYSA-N

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General description

Ethyl α-bromoisobutyrate is an organic bromoester used as an initiator in controlled radical polymerization reactions.[1][2]

Application

Atom Transfer Radical Polymerization (ATRP) initiator that will generate a polymer with an ethyl end group.

Signal Word

Danger

Hazard Statements

H226,H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

140.0 °F - closed cup

Flash Point(C)

60 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB1542
BCBP2931V
BCBM9796V
BCBL2742V
BCBB0255V

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Na Wang et al.
Analytical methods : advancing methods and applications, 12(36), 4438-4446 (2020-08-29)
As robust functional polymers, polymer brush-based hybrid nanomaterials have potential application in the highly sensitive determination of tumor markers (TMs). Currently, there are plentiful reports on the polymerization methods of functional polymer brushes. Low ppm ATRP (activators (re)generated by electron
Katarzyna Niesyto et al.
International journal of molecular sciences, 22(1) (2021-01-06)
In this study, drug nanocarriers were designed using linear copolymers with different contents of cholinium-based ionic liquid units, i.e., [2-(methacryloyloxy)ethyl]trimethylammonium chloride (TMAMA/Cl: 25, 50, and 75 mol%). The amphiphilicity of the copolymers was evaluated on the basis of their critical
Dongpo Xu et al.
Analytical and bioanalytical chemistry, 412(30), 8371-8378 (2020-10-04)
In this study, a simple and efficient strategy for the construction of hydrangea-like mesoporous WO3 nanoflowers templated using diblock copolymer PS119-PtBA129 was developed. The nanoflower shows good gas sensing properties, especially for 3-hydroxy-2-butanone (3H-2B), which is the signature metabolite of
Hailing He et al.
Materials (Basel, Switzerland), 12(16) (2019-08-10)
The balance of strengthening and toughening of poly (lactic acid) (PLA) has been an intractable challenge of PLA nanocomposite development for many years. In this paper, core-shell nanoparticles consisting of a silica rigid core and poly (butyl acrylate) (PBA) flexible
Wojciech Raj et al.
Nanomaterials (Basel, Switzerland), 10(3) (2020-03-21)
A totally new approach in the synthesis of mixed polymer brushes tethered on polyamide (PA) surfaces is presented herein. As a proof of concept, two types of homopolymers were synthesized in sequential surface-initiated atom transfer radical polymerization (SI-ATRP) reactions: poly(methyl
View All Related Papers

Articles

ATRP Ligands & Initiators: Clean Functional Polymers

ATRP is a successful method for precise polymer synthesis with controlled molecular weights and high chain end functionalities.

Protocols

Polymerizing via ATRP

Polymerization via ATRP procedures demonstrated by Prof. Dave Haddleton's research group at the University of Warwick.

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    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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