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166782

Sigma-Aldrich

2,2′-硫二乙醇

≥99%

别名:

2,2′-硫代双乙醇, 双(2-羟乙基)硫醚, 硫代二甘醇, 硫代双乙醇标准液 CRM

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About This Item

线性分子式:
S(CH2CH2OH)2
CAS号:
111-48-8
分子量:
122.19
Beilstein:
1236325
EC 号:
203-874-3
MDL编号:
MFCD00002910
UNSPSC代码:
12352100
PubChem化学物质编号:
24850185
NACRES:
NA.22
价格与库存信息目前不能提供

质量水平

200

方案

≥99%

表单

liquid

折射率

n20/D 1.5215 (lit.)

沸点

164-166 °C/20 mmHg (lit.)

mp

−16 °C (lit.)

溶解性

alcohol: miscible(lit.)
diethyl ether: slightly soluble(lit.)
water: miscible(lit.)

密度

1.221 g/mL at 25 °C (lit.)

官能团

hydroxyl
thioether

SMILES字符串

OCCSCCO

InChI

1S/C4H10O2S/c5-1-3-7-4-2-6/h5-6H,1-4H2

InChI key

YODZTKMDCQEPHD-UHFFFAOYSA-N

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一般描述

2,2′-硫代乙二醇（TDE），也称为双（2-羟乙基）硫化物和硫代二甘醇，通常用作有机合成的溶剂。它是一种用于光学显微镜的无毒水溶性包埋介质[1]。它是硫芥的水解产物[2]。

应用

2,2′-硫代二乙醇可用于：
  • 合成发光多核膦金(I)配合物。[3]
  • 制备钴(II)和锰(II)配合物。[4]
  • 作为反应剂制备用于电泳的含砜基聚氨酯材料。[5]

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H319

危险分类

Eye Irrit. 2

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

329.0 °F

闪点(°C)

165 °C

个人防护装备

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
STBL3227
STBK8880
STBK7607
STBJ7369
STBJ0523

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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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