2,6-ビス(ヒドロキシメチル)-p-クレゾール

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H315：皮膚刺激

  H319：強い眼刺激

  H335：呼吸器への刺激のおそれ

• 注意書き

  P261：粉じん/煙/ガス/ミスト/蒸気/スプレーの吸入を避ける こと。

  P264：取扱い後は皮膚をよく洗うこと。

  P264：取扱い後は手や顔をよく洗うこと。

  P271：屋外または換気の良い場所でのみ使用すること。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P305+P351+P338：眼に入った場合：水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。

2,6-ビス(ヒドロキシメチル)-p-クレゾール 価格

MSDS Information

• 2,6-Bis(hydroxymethyl)-p-cresol

2,6-ビス(ヒドロキシメチル)-p-クレゾール 化学特性,用途語,生産方法

• 外観

  白色～うすい褐色、結晶性粉末～粉末

• 用途

  有機合成原料。

• 化学的特性

  brown crystalline powder

• 使用

  2,6-Bis(hydroxymethyl)-p-cresol was used as a bridging ligand in binuclear oxovanadium(V) compound, which on exposure to white light and aerial oxygen forms an oligomeric compound.

• 製造方法

  The synthesis method for 2,6-Bis(hydroxymethyl)-p-cresol is as follows:
  Aqueous formaldehyde (21.5 g, 37%) is added to a solution of p-cresol (10.8 g, 0.1 mol) and NaOH (5.0 g) in HO (20 mL).
  The mixture is stirred at room temperature for 24 hours.
  The mixture is filtered and washed with saturated aqueous NaCl (100 mL).
  The resulting salt is dissolved in water (400 mL) and neutralized with acetic acid.
  Pale pink crystals are obtained and filtered.
  The crystals are washed with H2O and dissolved in hot ethyl acetate (40 mL).
  The solution is dried over Na2SO4 and filtered while still hot.
  The solution is concentrated to 27 mL and recrystallized overnight.
  The product crystals are filtered and washed with cold ethyl acetate.
  The crystals are air dried.

• Properties and Applications

  Rammal et al. report the study on the reaction between titanium(IV) alkoxides, known to be tetrameric [Ti4- (OR)16] (1) in the solid state, and an aromatic ligand such as 2,6-bis(hydroxymethyl)-p-cresol (BHMPC 2). Starting from the same planar tetrameric structure, a perfect geometrical match between octahedral edges of (1) and hydroxo moieties of (2) could be anticipated. Upon reaction of the ligand (2) with Ti(OEt)4, a new complex for which the tetrameric structure of (1) was preserved but with all edges occupied by sic molecules of (2) was obtained. The inorganic core of this tetranuclear complex (3) is composed of two μ3-oxo groups bridging the four titanium atoms. The tetranuclear titanium core is surrounded by six ligands (2) acting in groups of two, either as chelating, chelating-bridging, or tridentate units[1].
  

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