179965
Tolueno
Laboratory Reagent, ≥99.3%
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Fórmula lineal:
C6H5CH3
Número CAS:
Peso molecular:
92.14
UNSPSC Code:
12191501
PubChem Substance ID:
eCl@ss:
39011102
EC Number:
203-625-9
Beilstein/REAXYS Number:
635760
MDL number:
Assay:
≥99.3%
Grade:
Laboratory Reagent
Bp:
110-111 °C (lit.)
Vapor pressure:
22 mmHg ( 20 °C), 26 mmHg ( 25 °C)
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Laboratory Reagent
Quality Level
vapor density
3.2 (vs air)
vapor pressure
22 mmHg ( 20 °C), 26 mmHg ( 25 °C)
assay
≥99.3%
form
liquid
autoignition temp.
997 °F
expl. lim.
7 %
dilution
(for analytical testing)
impurities
≤0.05% water
evapn. residue
≤0.005%
refractive index
n/D 1.496 (lit.)
bp
110-111 °C (lit.)
mp
-93 °C (lit.)
density
0.865 g/mL at 25 °C (lit.)
application(s)
microbiology
SMILES string
Cc1ccccc1
InChI
1S/C7H8/c1-7-5-3-2-4-6-7/h2-6H,1H3
InChI key
YXFVVABEGXRONW-UHFFFAOYSA-N
General description
Toluene, a flammable liquid with a pungent odor, is widely employed as organic solvent. It is widely used as a precursor for synthesizing benzene and as a solvent in the paint industry. It has been reported to be a biotoxic solvent (toxic to many microorganisms at 0.1%v/v concentrations). Its anaerobic biodegradation to CO2, by the denitrifying bacterium Thauera arornatica has been reported. It forms syndiotactic polystyrene-toluene molecular compound. Crystal structure of this molecular compound has been investigated by X-ray diffraction studies.
Application
Toluene may be used as a solvent in the following studies:
- Preparation of 4-arm polylactide-based (PLA) star oligomer.
- Transformation of C6 sugar monomers/oligomers (glucose, maltose, and β-cyclodextrins) to levulinic acid in the presence of an acid catalyst.
Toluene undergoes alkylation in the presence of modified ZSM (Zeolite Socony Mobil)-5-class zeolite catalysts to form p-xylene with high selectivity. When doped on graphene, it acts as an electron donor leading to alteration in graphene electrical properties.
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signalword
Danger
Hazard Classifications
Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
target_organs
Central nervous system
Clase de almacenamiento
3 - Flammable liquids
wgk
WGK 3
flash_point_f
39.9 °F - closed cup
flash_point_c
4.4 °C - closed cup
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Direct laser writing of 3D scaffolds for neural tissue engineering applications.
Melissinaki V, et al.
Biofabrication, 3(4), 045005-045005 (2011)
Acid-catalyzed conversion of C6 sugar monomer/oligomers to levulinic acid in water, tetrahydrofuran and toluene: Importance of the solvent polarity.
Hu X, et al.
Fuel: The Science and Technology of Fuel and Energy, 141, 56-63 (2015)
Selective alkylation of toluene with methanol to produce para-xylene.
Kaeding WW, et al.
J. Catal., 67(1), 159-174 (1981)