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Formula of STYRENE (C8H8)

Identification of STYRENE Chemical Compound

2D chemical structure image of STYRENE
Chemical Formula C8H8
Molecular Weight 104.14912 g/mol
IUPAC Name ethenylbenzene
SMILES String C=Cc1ccccc1
InChI InChI=1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
InChIKey PPBRXRYQALVLMV-UHFFFAOYSA-N

Chemical Formula Description

The STYRENE molecule contains a total of 16 atom(s). There are 8 Hydrogen atom(s) and 8 Carbon atom(s). A chemical formula of STYRENE can therefore be written as:

C8H8

The chemical formula of STYRENE shown above is based on the molecular formula indicating the numbers of each type of atom in a molecule without structural information, which is different from the empirical formula which provides the numerical proportions of atoms of each type.

The above chemical formula is the basis of stoichiometry in chemical equations, i.e., the calculation of relative quantities of reactants and products in chemical reactions. The law of conservation of mass dictates that the quantity of each element given in the chemical formula does not change in a chemical reaction. Thus, each side of the chemical equation must represent the same quantity of any particular element based on the chemical formula.

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

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  • InChIKey: LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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Additional Information for Identifying STYRENE Molecule

  • Structure Data File (SDF/MOL File) of STYRENE

    The structure data file (SDF/MOL File) of STYRENE is available for download in the SDF page of STYRENE providing the information about the atoms, bonds, connectivity and coordinates of STYRENE, which is not completely available in the chemical formula representation. The STYRENE structure data file can be imported to most of the cheminformatics software for further analysis and visualization.

  • Chemical structure of STYRENE

    The chemical structure image of STYRENE is available in chemical structure page of STYRENE, which specifies the molecular geometry, i.e., the spatial arrangement of atoms in the chemical formula of STYRENE and the chemical bonds that hold the atoms together.

  • Molecular weight of STYRENE

    The molecular weight of STYRENE is available in molecular weight page of STYRENE, which is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element specified in the chemical formula of STYRENE.


  • InChI (IUPAC International Chemical Identifier) information of STYRENE

    The molecular chemical formulas lack structural information. An alternative textual expression including the structural information is InChI. The full standard InChI of STYRENE is:

    InChI=1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2

    It can provide a standard way to encode the molecular information of STYRENE 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 STYRENE is:

    InChIKey=PPBRXRYQALVLMV-UHFFFAOYSA-N

    The InChIKey may allow easier web searches for STYRENE, but it needs to be linked to the full InChI to get back to the original structure of the STYRENE since the full standard InChI cannot be reconstructed from the InChIKey.

  • Other names (synonyms) or registry numbers of STYRENE

    The STYRENE compound may have different names depending on the various different situations of industrial applications. The list of the other names (synonyms) of STYRENE including the registry numbers is given below, if available:

    • AR-1L5698
    • BBV-42302669
    • 98444-30-5
    • 9055-91-8
    • 9044-64-8
    • 86090-91-7
    • 852837-17-3
    • 851588-70-0
    • 81834-12-0
    • 79637-11-9
    • 78354-47-9
    • 730985-59-8
    • 726192-11-6
    • 644984-36-1
    • 63849-49-0
    • 61584-90-5
    • 61584-89-2
    • 60880-98-0
    • 60328-46-3
    • 60120-16-3
    • 58033-91-3
    • 57657-06-4
    • 56748-62-0
    • 56451-72-0
    • 55465-00-4
    • 55128-06-8
    • 54596-41-7
    • 54578-24-4
    • 53986-84-8
    • 53112-49-5
    • 52932-49-7
    • 51609-87-1
    • 51609-83-7
    • 487021-46-5
    • 471865-10-8
    • 441772-62-9
    • 40494-15-3
    • 39470-87-6
    • 373601-20-8
    • 360046-70-4
    • 359762-95-1
    • 260975-79-9
    • 25038-60-2
    • 219782-52-2
    • 172867-64-0
    • 172641-48-4
    • 171022-09-6
    • 171022-02-9
    • 161776-45-0
    • 157929-02-7
    • 157243-21-5
    • 155197-45-8
    • 149212-19-1
    • 144637-93-4
    • 137262-45-4
    • 131495-39-1
    • 1263545-74-9
    • 12627-11-1
    • 124229-48-7
    • 124229-31-8
    • 1227265-55-5
    • 120534-26-1
    • 120037-99-2
    • 1198090-46-8
    • 1191987-17-3
    • 1187742-34-2
    • 1161074-30-1
    • 1160710-79-1
    • 11120-46-0
    • 110866-50-7
    • 1083095-63-9
    • 105270-05-1
    • Styrene, ReagentPlus(R), contains 4-tert-butylcatechol as stabilizer, >=99%
    • Polystyrene latex microsphere, fluorescent, 6.0 micron, 2.5 wt% dispersion in water
    • Styrene solution, certified reference material, 200 mug/mL in methanol
    • Polystyrene, minimum number average molecular weight (in amu), 50,000
    • Polystyrene latex microsphere, 90.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 75.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 6.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 45.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 4.5 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 25.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 20.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 2 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 15.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 10.0 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 1 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 0.75 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 0.50 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 0.20 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 0.10 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 0.05 micron, 2.5 wt% dispersion in water
    • Polystyrene latex microsphere, 2 micron, 10 wt% dispersion in water
    • Polystyrene latex microsphere, 1 micron, 10 wt% dispersion in water
    • Styrene monomer, inhibited [UN2055] [Flammable liquid]
    • Polystyrene standard, MW ~ 1,300, MW/MN = 1.06 1g
    • Z966690906
    • Styrene monomer, inhibited [UN2055] [Flammable liquid]
    • Polystyrene standard, M.W. 2,000,000, Mw/Mn 1.30
    • F1908-0130
    • Polystyrene standard, M.W. 900,000, Mw/Mn 1.10
    • Polystyrene standard, M.W. 650,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 65,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 50,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 400,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 30,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 290,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 25,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 170,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 13,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 123,000, Mw/Mn 1.08
    • Polystyrene standard, M.W. 5,200, Mw/Mn 1.06
    • Polystyrene standard, M.W. 4,000, Mw/Mn 1.06
    • Polystyrene standard, M.W. 3,350, Mw/Mn 1.10
    • Polystyrene standard, M.W. 2,200, Mw/Mn 1.06
    • Polystyrene standard, M.W. 2,000, Mw/Mn 1.10
    • Polystyrene standard, M.W. 1,300, Mw/Mn 1.06
    • I01-4405
    • Styrene, 99.5% stab. with 4-tert-Butylcatechol
    • Polystyrene latex microsphere, 1 micron, dry form
    • A800199
    • Polystyrene,flame retarding and impact resistant
    • Polystyrene (100-200 mesh, PEG crosslinked)
    • S0651
    • S0095
    • POLY(1-PHENYL-2,2-ETHANEDIYL))
    • 68441-35-0
    • 12770-88-6
    • Styrene, SAJ first grade, >=99.0%
    • Styrene, 99%, stabilized 100ml
    • ANW-14280
    • 8053AF
    • Styrene, ReagentPlus(R), 99.9%
    • Styrene-divinylbenzene Copolymer
    • Styrene Resin (Med.M.Wt.)
    • BIDD:ER0247
    • UN 2055 (Salt/Mix)
    • ETHENYL, 2-PHENYL-
    • Diarex hf 77 (Salt/Mix)
    • TRANS-STYRENE-BETA-D
    • Polystyrene high Mol. Wt.
    • EC 202-851-5
    • Polystyrene med Mol. Wt.
    • BETA-CIS-STYRENE-D
    • Benzene, ethenyl-, homopolymer, hydrogenated
    • Styrene, >=99%
    • Styropor (Salt/Mix)
    • Styropol (Salt/Mix)
    • Styrene polymer-bound
    • CARINE
    • Styron (Salt/Mix)
    • Ethylbenzene alkylate
    • 25086-18-4
    • Ethylenated benzene
    • Vinyl-polystyrene
    • p-vinyl benzene
    • Benzene-1,2,3,4,5-d5, 6-(ethenyl-1,2,2-d3)-
    • viny lbenzol
    • phenyl ethylene
    • Styropor
    • Cinnaminol
    • Polystyrene, hydrogenated
    • CAS-100-42-5
    • MFCD00084450
    • MFCD00008612
    • Benzene-d5, ethenyl-d3-
    • Styrene, analytical standard
    • Polystyrene, atactic
    • 44LJ2U959V
    • Styrol (German)
    • Styrene monomer, inhibited
    • Phenylethylene, inhibited
    • Vinylbenzene, inhibited
    • Benzene, ethenyl-, homopolymer
    • FEMA No. 3233
    • Styrene (monomer)
    • FEMA Number 3234
    • Vinyl-benzene
    • Styrene polymer
    • Styron
    • Styropol
    • 9003-53-6
    • Vinylbenzen [Dutch]
    • Vinylbenzen [Czech]
    • Stirolo [Italian]
    • Styren [Czech]
    • Styrol [German]
    • Styreen [Dutch]
    • Polysorb
    • Cinnamol
    • Cinnamenol
    • Annamene
    • Bulstren K-525-19
    • POLYSTYRENE
    • Diarex hf 77
    • Styreen
    • Stirolo
    • Vinylbenzen
    • Ethylene, phenyl-
    • Benzene, vinyl-
    • Styropol SO
    • Vinyl benzene
    • Styren
    • Styrole
    • Vinylbenzol
    • Styrolene
    • Phenethylene
    • Styrene monomer
    • Cinnamene
    • Phenylethene
    • Benzene, ethenyl-
    • Styrol
    • 100-42-5
    • Vinylbenzene
    • Phenylethylene
    • STYRENE

STYRENE Identification Summary Frequently Asked Questions (FAQs)

What’s the chemical formula of STYRENE?
C8H8
How many atoms and what are they in the STYRENE structure?
16 atom(s) - 8 Hydrogen atom(s) and 8 Carbon atom(s)
How many chemical bonds and what are they in the STYRENE structure?
16 bond(s) - 8 non-H bond(s), 7 multiple bond(s), 1 rotatable bond(s), 1 double bond(s), 6 aromatic bond(s), and 1 six-membered ring(s)
What’s the molecular weight of STYRENE?
104.14912 g/mol
What’s the SMILES string of STYRENE?
C=Cc1ccccc1
What’s the InChI of STYRENE?
InChI=1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
What’s the InChIKey of STYRENE?
PPBRXRYQALVLMV-UHFFFAOYSA-N

4791 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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