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Merck

T3758

Sigma-Aldrich

硫代乙醇酸

Thioglycolic acid

98%

别名:

巯基乙酸

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100 ML
$107.00
500 ML
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About This Item

线性分子式:
HSCH2COOH
CAS号:
分子量:
92.12
Beilstein:
506166
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

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蒸汽密度

3.2 (vs air)

品質等級

蒸汽壓力

0.4 mmHg ( 25 °C)

化驗

98%

形狀

liquid

自燃溫度

662 °F

顏色

clear colorless

折射率

n20/D 1.505 (lit.)

bp

96 °C/5 mmHg (lit.)

mp

−16 °C (lit.)

溶解度

water: soluble 1.000 g/L at 20 °C

密度

1.326 g/mL at 20 °C (lit.)

官能基

carboxylic acid
thiol

運輸包裝

wet ice

儲存溫度

2-8°C

SMILES 字串

OC(=O)CS

InChI

1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)

InChI 密鑰

CWERGRDVMFNCDR-UHFFFAOYSA-N

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一般說明

硫代乙醇酸是一种巯基羧酸,用作稳定剂、还原剂和配体。[1][2]

應用

巯基乙酸可用作水热法合成金属硫化物纳米结构的硫来源。[3][4][5]

注意

室温下,在水中的浓度超出约 70% 时每月易形成 1 到 2% 的含硫苷,在酸性或碱性条件下又水解为原始的游离化合物。浓度为 70% 的溶液在空气中易氧化,密封后在室温下可保持稳定。巯基乙酸盐在储存时纯度可能降低。除去空气并不能显著提高稳定性。

相關產品

产品编号
说明
价格

象形圖

Skull and crossbonesCorrosion

訊號詞

Danger

危險分類

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 3

閃點(°F)

266.0 °F - closed cup

閃點(°C)

130 °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

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Reduction of [Cp2? Mo2O5] by thioglycolic acid in an aqueous medium: Synthesis and structure of [{Cp* Mo (?-SCH2COO)} 2 (?-S)]
Demirhan F, et al.
Journal of Organometallic Chemistry, 691, 648-654 (2006)
Controllable synthesis of wurtzite ZnS nanorods through simple hydrothermal method in the presence of thioglycolic acid.
Salavati-Niasari M, et al.
J. Alloy Compounds, 475(1-2), 782-788 (2009)
Shape selective hydrothermal synthesis of tin sulfide nanoflowers based on nanosheets in the presence of thioglycolic acid.
Salavati-Niasari M & Davar F.
J. Alloy Compounds, 492(1-2), 570-575 (2010)
The influence of carboxyl groups on the photoluminescence of mercaptocarboxylic acid-stabilized CdTe nanoparticles
Zhang H, et al.
The Journal of Physical Chemistry B, 107, 8-13 (2003)
Controllable synthesis of nanocrystalline CdS with different morphologies by hydrothermal process in the presence of thioglycolic acid.
Salavati-Niasari M, et al.
Chemical Engineering Journal, 145(2), 346-350 (2008)

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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