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Merck

721123

Sigma-Aldrich

2-甲基-2-丁醇

anhydrous, ≥99%

别名:

tert-Amyl alcohol, 叔戊醇

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100 ML
$157.00
1 L
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100 ML
$157.00
1 L
$358.00

About This Item

线性分子式:
CH3CH2C(CH3)2OH
CAS号:
分子量:
88.15
Beilstein:
1361351
EC 号:
MDL编号:
UNSPSC代码:
12352001
PubChem化学物质编号:
NACRES:
NA.21

$157.00


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等级

anhydrous

质量水平

蒸汽密度

3 (vs air)

方案

≥99%

表单

liquid

自燃温度

819 °F

expl. lim.

9 %

杂质

≤0.003% water (Karl Fischer, all unit sizes greater than 100 mL)
≤0.005% water (100 mL pkg)

蒸发残留物

≤0.0005%

折射率

n20/D 1.405 (lit.)

pH值(酸碱度)

6.0 (20 °C, 118 g/L)

沸点

102 °C (lit.)

mp

−12 °C (lit.)

密度

0.805 g/mL at 25 °C (lit.)

SMILES字符串

CCC(C)(C)O

InChI

1S/C5H12O/c1-4-5(2,3)6/h6H,4H2,1-3H3

InChI key

MSXVEPNJUHWQHW-UHFFFAOYSA-N

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应用

叔戊醇作为有机溶剂 [1] [2] 化学中间体 [3] 可用于汽油燃料添加剂 [4]、食品香精 [5]、医药 [6] [7] 过氧酯、油墨成分和橡胶生产中的稳定剂。

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Central nervous system, Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

68.9 °F - closed cup

闪点(°C)

20.5 °C - closed cup


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Chen, C.-X., Wu, Q.
Enz. Microbiol. Technol., 42, 601-601 (2008)
Torsten Weil et al.
Organic letters, 10(8), 1513-1516 (2008-03-28)
We present a mild and efficient method for the completely regioselective alcoholysis of styrene oxides utilizing a cooperative Brønsted acid-type organocatalytic system comprised of mandelic acid (1 mol %) and N,N'-bis-[3,5-bis-(trifluoromethyl)phenyl]-thiourea (1 mol %). Various styrene oxides are readily transformed
Teai, T.; Claude-Lafontaine, A. et al.
J. Essent. Oil Res., 13, 314-314 (2001)
Funk, R.L.; Daily, W.J.; Parvez, D.M.
The Journal of Organic Chemistry, 53, 4143-4143 (1998)
Jiang-Ning Hu et al.
Journal of agricultural and food chemistry, 56(22), 10988-10993 (2008-11-06)
In the lipase (Novozyme 435)-catalyzed synthesis of ginsenoside Rb1 esters, different acyl donors were found to affect not only the degree of conversion but also the regioselectivity. The reaction of acyl donors with short carbon chain was more effective, showing

Questions

1–2 of 2 Questions  
  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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