午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

1,2-Bis(3,4-dihydroxyphenyl)ethanone

1,2-Bis(3,4-dihydroxyphenyl)ethanone Struktur
100622-09-1
CAS-Nr.
100622-09-1
Englisch Name:
1,2-Bis(3,4-dihydroxyphenyl)ethanone
Synonyma:
1,2-Bis(3,4-dihydroxyphenyl)ethanone;Ethanone, 1,2-bis(3,4-dihydroxyphenyl)-;Noradrenaline (Norepinephrine) Impurity 72
CBNumber:
CB85827619
Summenformel:
C14H12O5
Molgewicht:
260.24
MOL-Datei:
100622-09-1.mol

1,2-Bis(3,4-dihydroxyphenyl)ethanone Eigenschaften

Schmelzpunkt:
196–198°C
Siedepunkt:
600.7±55.0 °C(Predicted)
Dichte
1.483±0.06 g/cm3(Predicted)
pka
7.84±0.20(Predicted)

Sicherheit

1,2-Bis(3,4-dihydroxyphenyl)ethanone Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

Obtained by treatment of 3,3′,4,4′-tetrahydroxybenzil dihydrate (m.p. 125–130°) with granulated tin in dilute hydrochloric acid. The mixture was heated on a steam bath 1.5 h (49%) (compound VIII).

1,2-Bis(3,4-dihydroxyphenyl)ethanone Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

1,2-Bis(3,4-dihydroxyphenyl)ethanone Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 6)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
China National Standard Pharmaceutical Corporation Limited 		+8615391658522
 overseasales@yongstandards.com China 11922 58
Adamas Reagent, Ltd. 400-6009262 16621234537
 chenyj@titansci.com China 14103 59
ChemStrong Scientific Co.,Ltd 0755-0755-66853366 13670046396
 sales@chem-strong.com China 18070 56
Shijiazhuang yaoBo Pharmaceutical Co., Ltd. 15633056635
 2880679888@qq.com China 3006 58
Changzhou Xianglong Pharmaceutical Technology Co., LTD 0519-88910898 18661161657
 yaoxiangqiu2021@163.com China 9996 58
Nantong Hanfang Biotechnology Co. , Ltd. 18616537568
 hanfangpharma@126.com China 29981 58
  • 1,2-Bis(3,4-dihydroxyphenyl)ethanone
  • Noradrenaline (Norepinephrine) Impurity 72
  • Ethanone, 1,2-bis(3,4-dihydroxyphenyl)-
  • 100622-09-1
Copyright 2019 ? ChemicalBook. All rights reserved