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44570

Sigma-Aldrich

Dowtherm® A

eutectic mixture of 26.5% diphenyl + 73.5% diphenyl oxide

同義詞:

联二苯

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About This Item

MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

折射率

n20/D 1.590

mp

12-14 °C (lit.)

SMILES 字串

c1ccc(cc1)-c2ccccc2.O(c3ccccc3)c4ccccc4

InChI

1S/C12H10O.C12H10/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12;1-3-7-11(8-4-1)12-9-5-2-6-10-12/h1-10H;1-10H

InChI 密鑰

MHCVCKDNQYMGEX-UHFFFAOYSA-N

一般說明

Dowtherm® A 是一种热稳定的有机传热流体,由高度稳定的化合物、联苯和二苯基氧化物的共晶混合物组成。Dowtherm® A 适用于高达 400°C 的高温传热应用。这种流体可用于液相和气相系统。

應用

Dowtherm® A 可作为高沸点溶剂用于环化反应。例如,它可用于合成:      
  • 从 2-氯-3-甲酰基喹啉合成 1-羟基-5-甲氧基-1,2-二氢苯并[f][2,7]萘啶。     
  • 通过取代哒嗪类的分子内 Diels-Alder 环加成反应合成异吲哚酮衍生物。
  • 热条件下通过 2-二氧基磷酸-3-甲氧基丙烯酸酯分子内环化合成磷酸化氮杂环。

法律資訊

DOWTHERM is a registered trademark of The Dow Chemical Company or an affiliated company of Dow

象形圖

Exclamation markEnvironment

訊號詞

Warning

危險分類

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


分析證明 (COA)

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Facile Synthesis of 1-Hydroxy-5-methoxy-Benzo [f][2, 7] naphthyridines
Rajeev PV and Rajendran SP
Synthetic Communications, 40(19), 2837-2843 (2010)
F O Dorgelo et al.
International archives of occupational and environmental health, 56(2), 129-134 (1985-01-01)
A study was carried out in a nylon producing plant to determine exposure to Dowtherm A from frequently occurring leaks in the heating system. The daily exposure to both diphenyl and diphenylether of 20 workers was determined over seven consecutive
V M Sheĭbak et al.
Gigiena i sanitariia, (4)(4), 81-82 (2008-12-23)
Experiments on rats were carried out to study the effect of dinil on the animals on chronic intake of the agent in the quantities exceeding the maximum permissible concentrations by many times. Despite few biochemical changes, there was a certain
Hongwei Yao et al.
Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases, 20(1), 5-9 (2003-12-26)
To study injury of liver and kidney among the workers exposed to terephthalic acid(TPA), ethylene glycol(EG) and(or) dowtherm A(DOW), and research for early biological monitoring indexes. By using the method of occupational epidemiology, an investigation of industrial hygiene in a
Thermal neutron cross sections and diffusion parameters of diphenyl and Dowtherm-A using a synthetic scattering function.
Florido PC, et al.
Journal of Nuclear Materials, 185(1), 114-122 (1999)

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