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345830

Sigma-Aldrich

3-溴-2-甲基丙烯

97%

别名:

甲基烯丙基溴, 甲基烯丙溴

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5 ML
$154.00
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$663.00

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5 ML
$154.00
25 ML
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About This Item

线性分子式:
H2C=C(CH3)CH2Br
CAS号:
1458-98-6
分子量:
135.00
MDL號碼:
MFCD00134155
分類程式碼代碼:
12352100
PubChem物質ID:
24861353
NACRES:
NA.22

$154.00

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品質等級

100

化驗

97%

形狀

liquid

雜質

0.1% hydroquinone

折射率

n20/D 1.472 (lit.)

bp

94-95 °C (lit.)

密度

1.339 g/mL at 25 °C (lit.)

官能基

alkyl halide
bromo

儲存溫度

2-8°C

SMILES 字串

CC(=C)CBr

InChI

1S/C4H7Br/c1-4(2)3-5/h1,3H2,2H3

InChI 密鑰

USEGQJLHQSTGHW-UHFFFAOYSA-N

相关类别

一般說明

已经通过 IR 光谱研究了 3-溴-2-甲基丙烯中的旋转异构。[1]

應用

3-溴-2-甲基丙烯可用于：
  • 烯基亚胺的合成[2]
  • 合成 2-甲基丙烯基（“甲基烯丙基”）配合物，Cp * Os（η3-烯丙基）Br2[3]
  • 在手性相转移烷基化的研究中产生（S）-α-烷基半胱氨酸[4]

訊號詞

Danger

危險分類

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

44.6 °F - closed cup

閃點（°C）

7 °C - closed cup

個人防護裝備

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCQ8246
MKCP1595
SHBK2041
SHBH8261
SHBG2006V

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Rotational isomerism in 3-bromo, 2-methylpropene studied by ir spectroscopy.
Diallo AO.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 36(9), 799-803 (1980)
Taek-Soo Kim et al.
The Journal of organic chemistry, 71(21), 8276-8278 (2006-10-10)
We reported efficient enantioselective synthetic methodologies for (R)-alpha-alkylcysteines and (S)-alpha-alkylcysteines. The phase-transfer catalytic alkylation of 2-phenyl-2-thiazoline-4-carboxylic acid tert-butyl ester and 2-o-biphenyl-2-thiazoline-4-carboxylic acid tert-butyl ester, in the presence of chiral catalysts (1 or 2), gave the corresponding alkylated products, which could
Synthesis of Hydride and Alkyl Compounds Containing the Cp* Os (η3-allyl) Fragment. Crystal Structures of Cp* Os (η3-C8H13) Br2 and [Cp* Os (η3-C4H7) Me (H2O)][BF4].
Mui HD, et al.
Organometallics, 18(17), 3264-3272 (1999)
Intramolecular "hydroiminiumation" of alkenes: application to the synthesis of conjugate acids of cyclic alkyl amino carbenes (CAACs).
Rodolphe Jazzar et al.
Angewandte Chemie (International ed. in English), 46(16), 2899-2902 (2007-03-14)

Questions

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  1. 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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  2. 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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