Trifenilmetan

Trifenilmetan
Adlandırmalar
Tercih edilen IUPAC adı
1,1′,1′′-Metantriiltribenzen
Diğer adlar
1,1′,1′′-Metilidintrisbenzen
Tanımlayıcılar
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.007.524 Bunu Vikiveri'de düzenleyin
EC Numarası
  • 208-275-0
UNII
  • InChI=1S/C19H16/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15,19H 
    Key: AAAQKTZKLRYKHR-UHFFFAOYSA-N 
  • InChI=1/C19H16/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15,19H
    Key: AAAQKTZKLRYKHR-UHFFFAOYAF
  • c1c(cccc1)C(c2ccccc2)c3ccccc3
Özellikler
Kimyasal formül C19H16
Molekül kütlesi 244,33 g mol−1
Görünüm renksiz katı
Yoğunluk 1.014 g/cm3
Erime noktası 92 ila 94 °C (198 ila 201 °F; 365 ila 367 K)
Kaynama noktası 359 °C (678 °F; 632 K)
Çözünürlük (su içinde) çözünmez
Çözünürlük hekzan ve dioksanda çözünür[1]
Asitlik (pKa) 33.3
−165.6×10−6 cm3/mol
Tehlikeler
GHS etiketleme sistemi:
Piktogramlar GHS07: Zararlı
İşaret sözcüğü Warning
Tehlike ifadeleri H315, H319, H335
Güvenlik bilgi formu (SDS) External MSDS
Aksi belirtilmediği sürece madde verileri, Standart sıcaklık ve basınç koşullarında belirtilir (25 °C [77 °F], 100 kPa).
Bilgi kutusu kaynakları

Trifenilmetan, (C
6H
5)
3CH formülüne sahip bir hidrokarbondur. Bu renksiz katı, apolar organik çözücülerde çözünür. Trifenilmetan, triarilmetan boyaları adı verilen birçok sentetik boyanın temel iskeletidir; bunların çoğu pH göstergeleridir ve bazıları floresans gösterir.

Organik kimyada tritil grubu, bir trifenilmetil (Ph
3C grubudur. Trifenil klorür bileşiğine tritil klorür denebilir.

Elde edilişi

Trifenilmetan ilk olarak 1872'de Alman kimyager August Kekulé ve Hollandalı öğrencisi Antoine Paul Nicolas Franchimont (1844–1919) tarafından difenilcıvanın (Hg(C
6H
5)
2) benzal klorür (C
6H
5CHCl
2) ile ısıtılmasıyla sentezlendi.[2]

Trifenilmetan, benzen ve kloroformun alüminyum klorür katalizörü ile Friedel-Crafts reaksiyonuyla sentezlenebilir:

3 C6H6 + CHCl3 → Ph3CH + 3 HCl

Kaynakça

  1. ^ "Triphenylmethane | 519-73-3". 6 Aralık 2023 tarihinde kaynağından arşivlendi. Erişim tarihi: 6 Ocak 2024. 
  2. ^ Aug. Kekulé and A. Franchimont (1872) "Ueber das Triphenylmethan" 6 Ocak 2024 tarihinde Wayback Machine sitesinde arşivlendi. (On triphenylmethane), Berichte der deutschen chemischen Gesellschaft, 5 : 906–908.

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