| Identification | More | [Name]
Triphenylmethane | [CAS]
519-73-3 | [Synonyms]
1,1',1''-methylidynetrisbenzene
AKOS 90745
TRILAN
TRIPHENYLMETHANE
TRITAN
1,1’,1’’-methylidynetris-benzen
Benzene, 1,1',1''-methylidynetris-
Benzene,1,1',1-methylidynetris-
benzene,1,1’,1’’-methylidynetris-
Benzhydrylbenzene
Methane, triphenyl-
methane,triphenyl-
Triphenylmethan
Tritane
Triphenymethane
Triphenylmethane99+%
1,1',1''-Methylidene tris[benzene]
TRIPHENYLMETHANE pure
1,1',1''-Methylidynetribenzene | [EINECS(EC#)]
208-275-0 | [Molecular Formula]
C19H16 | [MDL Number]
MFCD00004763 | [Molecular Weight]
244.33 | [MOL File]
519-73-3.mol |
| Chemical Properties | Back Directory | [Appearance]
light brown powder | [Melting point ]
92-94 °C(lit.) | [Boiling point ]
358-359 °C754 mm Hg(lit.) | [density ]
1.014 g/mL at 25 °C(lit.)
| [refractive index ]
nD100 1.59546 | [Fp ]
358-359°C | [storage temp. ]
2-8°C
| [solubility ]
dioxane: 0.1 g/mL, clear
| [form ]
Powder | [pka]
31.5(at 25℃) | [color ]
Faint yellow | [Specific Gravity]
1.014 | [Stability:]
Stable; combustible. Incompatible with strong oxidizing agents. | [Water Solubility ]
INSOLUBLE | [Detection Methods]
GC | [Merck ]
14,9741 | [BRN ]
1909753 | [Dielectric constant]
3.6（65℃） | [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 | [InChIKey]
AAAQKTZKLRYKHR-UHFFFAOYSA-N | [SMILES]
c1ccc(cc1)C(c2ccccc2)c3ccccc3 | [CAS DataBase Reference]
519-73-3(CAS DataBase Reference) | [NIST Chemistry Reference]
Triphenylmethane(519-73-3) | [EPA Substance Registry System]
519-73-3(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
GHS07 | [Signal word ]
Warning | [Hazard statements ]
H302-H315-H319-H335 | [Precautionary statements ]
P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . | [WGK Germany ]
3
| [Hazard Note ]
Irritant | [TSCA ]
Yes | [HS Code ]
29029080 | [Storage Class]
11 - Combustible Solids |
| Hazard Information | Back Directory | [Chemical Properties]
light brown powder | [Uses]
Triphenylmethane is a triarylmethane compound used as the backbone of synthetic dyes. Triphenylmethane has also been shown to inhibit 3-methylcholanthrene-induced neoplastic transformation of 10T1/2 cells. | [Definition]
ChEBI: A triarylmethane in which the three aryl groups are phenyl. It forms the basic skeleton of several synthetic dyes. | [Preparation]
Triphenylmethane can be synthesized by Friedel–Crafts reaction from benzene and chloroform with aluminium chloride catalyst:
3 C6H6 + CHCl3 → Ph3CH + 3 HCl | [Synthesis Reference(s)]
Journal of the American Chemical Society, 73, p. 5846, 1951 DOI: 10.1021/ja01156a116
Organic Syntheses, Coll. Vol. 1, p. 548, 1941
Tetrahedron Letters, 21, p. 801, 1980 DOI: 10.1016/S0040-4039(00)71509-7 | [Purification Methods]
Crystallise triphenylmethane from EtOH or *benzene (with one molecule of *benzene of crystallisation which is lost on exposure to air or by heating on a water bath). It can also be sublimed under vacuum. It has been given a preliminary purification by refluxing with tin and glacial acetic acid, then filtered hot through a glass sinter disc, and precipitated by addition of cold water. [Beilstein 5 H 698, 5 IV 2495.] |
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