1,2-Diphenylethane

1,2-Diphenylethane Basic information

Product Name:	1,2-Diphenylethane
Synonyms:	BIBENZYL;DIBENZYL;1,2-BIBENZYL;1,2-DIPHENYLETHANE;Two phenylethane;Bibenzyl, 98%+;S-DIPHENYLETHANE;Bibenzyl ReagentPlus(R), 99%
CAS:	103-29-7
MF:	C14H14
MW:	182.26
EINECS:	203-096-4
Product Categories:	Pharmaceutical Intermediates;Arenes;Building Blocks;Chemical Synthesis;Organic Building Blocks
Mol File:	103-29-7.mol

1,2-Diphenylethane Chemical Properties

Melting point	50-53 °C(lit.)
Boiling point	284 °C(lit.)
density	1.014 g/mL at 25 °C(lit.)
refractive index	1.5704
Fp	>230 °F
storage temp.	Sealed in dry,Room Temperature
solubility	Soluble in ether, chloroform
form	Crystalline Powder
color	White to light yellow
Specific Gravity	1.014
Water Solubility	PRACTICALLY INSOLUBLE
Merck	14,1198
BRN	508068
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents.
LogP	4.790
CAS DataBase Reference	103-29-7(CAS DataBase Reference)
NIST Chemistry Reference	Bibenzyl(103-29-7)
EPA Substance Registry System	Bibenzyl (103-29-7)

Safety Information

Hazard Codes	Xi
Risk Statements	36
Safety Statements	22-24/25-182.26
WGK Germany	2
RTECS	DT4375000
Autoignition Temperature	896 °F
Hazard Note	Irritant
TSCA	Yes
HS Code	29029090

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

1,2-Diphenylethane Usage And Synthesis

Chemical Properties	white to light yellow crystal powder. soluble in chloroform, ether, carbon disulfide and amyl acetate, soluble in alcohol, almost insoluble in water. It reacts with chromium trioxide or permanganic acid to generate benzoic acid.
Uses	1,2-Diphenylethane is used as solvent for nitro fibre and in synthesis of other organic chemical products.
Definition	ChEBI: 1,2-dihydrostilbene is a diphenylethane that is the 1,2-dihydro derivative of stilbene.
Preparation	1,2-Diphenylethane is synthesized by the action of benzyl chloride with sodium metal. Or from the reaction of benzyl chloride in the presence of copper, or from the hydrogenation of benzoin in the presence of nickel.
Synthesis Reference(s)	Chemical and Pharmaceutical Bulletin, 36, p. 1529, 1988 DOI: 10.1248/cpb.36.1529 Journal of the American Chemical Society, 81, p. 1243, 1959 DOI: 10.1021/ja01514a057
Purification Methods	Crystallise bibenzyl from hexane, MeOH, or 95% EtOH. It has also been sublimed under vacuum, and further purified by percolation through columns of silica gel and activated alumina. [Beilstein 5 IV 1868.]

1,2-Diphenylethane Preparation Products And Raw materials

Raw materials	Benzyl chloride-->BENZYLBORONIC ACID PINACOL ESTER-->Bis(pinacolato)diboron
Preparation Products	Lomefloxacin-->Phenylacetic acid-->4,4'-DINITROBIBENZYL-->dimethylammonium iodide-->2,2'-DINITRODIBENZYL-->4-Methyl-1,2,3,6-tetrahydropyridine-->4-PHENYL ETHYL BENZOIC ACID

(1S,2S)-N-Methylsulfonyl-1,2-diphenylethanediamine, 98+% 10,11-DIHYDRO-5 H-DIBENZO[A,D]CYCLOHEPTENE 2-Bibenzylcarboxylic acid 2,5-Dimethyl-3,4-diphenylcyclopentadienone (1Z,2Z)-1,2-Diphenylethane-1,2-dione bis[phenyl hydrazone],1,2-Diphenylethane-1,2-dione bis[(Z)-phenyl hydrazone] 1,2-Bis(phenylthio)-1-nitro-2,2-diphenylethane 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane (1R,2R)-N-(2,4,6-TRIMETHYLPHENYLSULFONYL)-1,2-DIPHENYLETHANE-1,2-DIAMINE (ALPHA,GAMMA-BISDIPHENYLENE-BETA-PHENYLALLYL), FREE RADICAL 1-AZIDO-1,1-DIPHENYLETHANE 1,2,3,4-TETRAPHENYL-1,3-CYCLOPENTADIENE 4'-(1-NAPHTHOYL)-1,2-DIPHENYLETHANE 1,2-Bis(cyanoimino)-1,2-diphenylethane 1,2-Dichloro-1,2-diphenylethane Benzil 9,10-DIHYDRO-PHENANTHRENE rac-(1S*,2S*)-1,2-Dibromo-1,2-diphenylethane 2-Phenylacetophenone

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