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Molecular Weight of Toluene (C7H8)

Identification of Toluene Chemical Compound

2D chemical structure image of toluene
Chemical Formula C7H8
Molecular Weight 92.13842 g/mol
IUPAC Name methylbenzene
SMILES String Cc1ccccc1
InChI InChI=1S/C7H8/c1-7-5-3-2-4-6-7/h2-6H,1H3
InChIKey YXFVVABEGXRONW-UHFFFAOYSA-N

Molecular Weight Description

The toluene molecule consists of 8 Hydrogen atom(s) and 7 Carbon atom(s) - a total of 15 atom(s). The molecular weight of toluene is determined by the sum of the atomic weights of each constituent element multiplied by the number of atoms, which is calculated to be:

$$ 92.13842 · \frac{g}{mol} $$

The exact term of the above molecular weight is “molar mass”, which is based on the atomic mass of each element. Molecular weight is actually an older term of “relative molar mass” or “molecular mass”, which is a dimensionless quantity equal to the molar mass divided by the molar mass constant defined by 1 g/mol.

Molecular masses are calculated from the standard atomic weights of each nuclide, while molar masses are calculated from the atomic mass of each element. The atomic mass takes into account the isotopic distribution of the element in a given sample.

3D chemical structure image of toluene
Ball-and-stick model of toluene

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Additional Information for Identifying Toluene Molecule


  • InChI (IUPAC International Chemical Identifier) information of toluene

    In addition to the molecular weight information, the structural information of toluene in a textual expression is available via InChi. The full standard InChI of toluene is given below:

    InChI=1S/C7H8/c1-7-5-3-2-4-6-7/h2-6H,1H3

    It can provide a way to encode the molecular information of toluene to facilitate the search for the compound information in databases and on the web.

    The condensed, 27 character standard InChIKey (hashed version of the full standard InChI) of toluene is:

    InChIKey=YXFVVABEGXRONW-UHFFFAOYSA-N

    It may allow easier web searches for toluene. The InChIKey, however, needs to be linked to the full InChI as well in order to get back to the original structure of the toluene as the full standard InChI cannot be reconstructed from the InChIKey.

  • Other names (synonyms) or registry numbers of toluene

    There may be different names of the toluene compound depending on the various situations of industrial applications, which are given below including the registry numbers if available:

    • BBV-76024126
    • 1202864-97-8
    • 1053657-77-4
    • Toluene, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., >=99.7% (GC)
    • Toluene, suitable for 1000 per JIS, for residue analysis, >=99.8%
    • Toluene, absolute, over molecular sieve (H2O <=0.005%), >=99.7% (GC)
    • TOLUENE (TECHNICAL) (SEE ALSOTOLUENE (NITRATION GRADE) NTP10009-V)
    • Toluene, suitable for 300 per JIS, for residue analysis, >=99.8%
    • Toluene, p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5%
    • Toluene, HPLC Plus, for HPLC, GC, and residue analysis, >=99.9%
    • TOLUENE (SEE ALSO TOLUENE (TECHNICAL), NTP 11617-L)
    • Toluene, suitable for 5000 per JIS, for residue analysis
    • Toluene, pharmaceutical secondary standard; traceable to USP
    • Toluene, p.a., ACS reagent, reag. ISO, 99.5%
    • SR-01000944565-1
    • I01-4407
    • Toluene, ACS spectrophotometric grade, >=99.5%
    • A801937
    • 300204X
    • Toluene, for residue analysis, >=99.8% (GC)
    • Toluene liquid density, NIST(R) SRM(R) 211d
    • Toluene, suitable for scintillation, >=99.7%
    • Toluene, suitable for determination of dioxins
    • S0638
    • Toluene, anhydrous, ZerO2(TM), 99.8%
    • Toluene, UV HPLC spectroscopic, 99.5%
    • Toluene, for HPLC, >=99.7% (GC)
    • Toluene disproportionation catalyst ZA-90
    • 50643-04-4
    • Toluene, Laboratory Reagent, >=99.3%
    • Toluene, JIS special grade, >=99.5%
    • Toluene [UN1294] [Flammable liquid]
    • Toluene, SAJ first grade, >=99.0%
    • Toluene, puriss., >=99.5% (GC)
    • Toluene [UN1294] [Flammable liquid]
    • RTR-002003
    • Toluene, purification grade, 99.8%
    • Poly(1,4-phenylenemethylene)(9CI)
    • BDBM50008558
    • ANW-44012
    • Toluene, PRA grade, >=99.8%
    • Toluene, for HPLC, >=99.9%
    • Toluene, for HPLC, >=99.8%
    • Toluene, technical grade, 95.0%
    • Toluene, AR, rectified, 99.5%
    • Toluene, LR, sulfur free, 99%
    • LTBB002867
    • Toluene, HPLC grade, 99.8%
    • Toluene GC, for residue analysis
    • Toluene, LR, rectified, 99%
    • Toluene, for HPLC, 99.9%
    • Toluene, AR, >=99.5%
    • GTPL5481
    • Toluene, p.a., 99.5%
    • Toluene, ASTM, 99.5%
    • Toluene, anhydrous, 99.8%
    • BIDD:ER0288
    • Toluene, LR, >=99%
    • Toluene, Semiconductor Grade
    • Toluene, Environmental Grade
    • Residual Solvent - Toluene
    • EC 203-625-9
    • Toluene Reagent Grade ACS
    • Toluene, 99% 1L
    • OTOLINE (9CI)
    • TOLUENE- D8
    • Toluene, 99.5%
    • PHENYL, METHYL-
    • 4i7k
    • Toluene, HPLC Grade
    • Toluene, ACS reagent
    • Toluene, for HPLC
    • Toluene (Technical)
    • Toluene HPLC grade
    • Toluene ACS Grade
    • Benzylidyne radical
    • 2-methyl benzene
    • 1-Methylbenzene
    • toluene-
    • 4-methylbenzene
    • 2-methylbenzene
    • Dracyl
    • Cresyl
    • Anisen
    • CAS-108-88-3
    • Toluene, ACS reagent, >=99.5%
    • Tolueno
    • Toluene, analytical standard
    • Otoline
    • MFCD00008512
    • Toluene, anhydrous
    • Toluene, Spectrophotometric Grade
    • 3FPU23BG52
    • p-toluene
    • para-toluene
    • paratoluene
    • EPA Pesticide Chemical Code 080601
    • RCRA waste no. U220
    • UN 1294
    • CP 25
    • Benzene, methyl
    • methyl-Benzene
    • Caswell No. 859
    • RCRA waste number U220
    • Toluolo [Italian]
    • Tolueno [Spanish]
    • Toluen [Czech]
    • Tolueen [Dutch]
    • monomethyl benzene
    • phenyl methane
    • Toluolo
    • Tolueen
    • Methane, phenyl-
    • tolu-sol
    • antisal 1a
    • methylbenzol
    • methacide
    • Toluen
    • Benzene, methyl-
    • Phenylmethane
    • 108-88-3
    • toluol
    • toluene

Toluene Identification Summary Frequently Asked Questions (FAQs)

What’s the formula of toluene?
C7H8
How many atoms and what are the elements in the toluene molecule?
15 atom(s) - 8 Hydrogen atom(s) and 7 Carbon atom(s)
How many chemical bonds and what types of bonds are in the toluene structure?
15 bond(s) - 7 non-H bond(s), 6 multiple bond(s), 6 aromatic bond(s), and 1 six-membered ring(s)
What’s the molar mass of toluene?
92.13842 g/mol
What’s the SMILES format of toluene?
Cc1ccccc1
What’s the InChI format of toluene?
InChI=1S/C7H8/c1-7-5-3-2-4-6-7/h2-6H,1H3
What’s the InChIKey string of toluene?
YXFVVABEGXRONW-UHFFFAOYSA-N

8233 The contents of this page can freely be shared if cited as follows:
Source: Chemical Compounds Deep Data Source (CCDDS; https://www.molinstincts.com) based on 41 patented QSQN and QN technology
commercialized into Mol-Instincts database and ChemRTP, ChemEssen, Inc (2024).

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