CAS number
100-42-5

Molecular formula
C8H8

SMILES
C=CC1=CC=CC=C1

Retention indicies (RI)

• DB5: 893.0
• Carbowax: 1252.8

sweet	79.72%
floral	59.37%
balsamic	53.68%
spicy	42.43%
bitter	42.11%
pungent	42.04%
almond	41.38%
cinnamon	39.04%
cherry	37.38%
powdery	37.16%

Scent© AI

XLogP3-AA
2.9 Well soluble in DEP, BB, MMB

Molecular weight
104.15 g/mol

Melting points

• -24 to -23 °F (NTP, 1992)
• -30.65 °C
• Latent heat of fusion: 10.95 kJ/mole (at melting point); Latent heat of sublimation: 43.9 kJ/mole (25 °C); Heat of formation: 103.8 kJ/mole (25 °C); Ionization potential: 8.42 eV
• -33 °C
• -30.6 °C
• -23 °F

Boiling points

• 293 to 295 °F at 760 mmHg (NTP, 1992)
• 145.3 °C
• 145.00 to 146.00 °C. @ 760.00 mm Hg
• 145 °C
• 293 °F

Flash points

• 88 °F (NTP, 1992)
• The Guide from the Emergency Response Guidebook is for "Styrene monomer, stabilized." 34 °C
• 32.0 °C (89.6 °F) - closed cup
• 88 °F (31 °C) - closed cup
• 34.4 °C (Tag closed cup); 36.7 °C (Tag open cup).
• 31 °C c.c.
• 88 °F

Solubilities

• less than 1 mg/mL at 66 °F (NTP, 1992)
• In water, 300 mg/L at 25 °C
• Insoluble in water
• Soluble in ethanol, ether, and acetone; miscible with benzene; slightly soluble in carbon tetrachloride
• Soluble in carbon disulfide, alcohol, ether, methanol, acetone
• For more Solubility (Complete) data for Styrene (6 total), please visit the HSDB record page.
• 0.31 mg/mL at 25 °C
• Solubility in water, g/100ml at 20 °C: 0.03
• 0.03%

• STYRENE
• Ethenylbenzene
• 100-42-5
• Vinylbenzene
• Phenylethylene
• Benzene, ethenyl-
• Styrol
• Cinnamene
• Phenylethene
• Styrolene
• Styrene monomer
• Phenethylene
• Vinylbenzol
• Vinyl benzene
• Styropol SO
• Styren
• Styrole
• Benzene, vinyl-
• Ethylene, phenyl-
• Vinylbenzen
• Stirolo
• Styreen
• Cinnamenol
• Cinnamol
• Vinyl-benzene
• Bulstren K-525-19
• Annamene
• NCI-C02200
• FEMA No. 3233
• FEMA Number 3234
• Styrol [German]
• CCRIS 564
• NSC 62785
• Cinnaminol
• HSDB 171
• EINECS 202-851-5
• UNII-44LJ2U959V
• 25086-18-4
• DTXSID2021284
• CHEBI:27452
• AI3-24374
• MAOMIN SM
• 44LJ2U959V
• trans-Styrene-(beta)-d
• MFCD00084450
• NSC-62785
• STYRENE-ALPHA-13C
• DTXCID501284
• Styrol (German)
• EC 202-851-5
• TTB 7302
• MFCD00008612
• Styrene-d5(StabilizedwithHydroquinone)
• 12770-88-6
• Diarex hf 77
• NCGC00091056-01
• STYRENE-ALPHA,2,3,4,5,6-D6
• STYRENE (IARC)
• STYRENE [IARC]
• Styreen [Dutch]
• Styren [Czech]
• Styrene, analytical standard
• Stirolo [Italian]
• Vinylbenzen [Czech]
• Vinylbenzen [Dutch]
• 6911-81-5
• Styron
• Benzene, (1Z)-ethenyl-2-d-
• Styrene 100 microg/mL in Methanol
• styrene, monomer
• Monomer, Styrene
• MFCD00044231
• Styrene (monomer)
• CAS-100-42-5
• COLESTYRAMINE IMPURITY A (EP IMPURITY)
• COLESTYRAMINE IMPURITY A [EP IMPURITY]
• Styrene (stabilized with 4-tert-Butylcatechol)
• Vinylbenzene, inhibited
• Phenylethylene, inhibited
• UN2055
• Styrene monomer, inhibited
• ethenyl-benzene
• phenyl-ethylene
• p-vinyl benzene
• SYN
• Poly(Styrene-d8)
• Styron (Salt/Mix)
• Ethenylbenzene, 9CI
• Styropol (Salt/Mix)
• Styropor (Salt/Mix)
• PhCH=CH2
• STYRENE [HSDB]
• Styrene, >=99%
• STYRENE [MI]
• Diarex hf 77 (Salt/Mix)
• UN 2055 (Salt/Mix)
• WLN: 1U1R
• BIDD:ER0247
• Styrene - stabilised with TBC
• CHEMBL285235
• Polystyrene, M.W. 50,000
• CBA73242
• NSC62785
• Styrene, ReagentPlus(R), 99.9%
• Tox21_113245
• Tox21_200808
• STL283958
• Styrene 2000 microg/mL in Methanol
• Styrene 5000 microg/mL in Methanol
• Styrene; Phenylethylene; Vinylbenzene
• AKOS000119972
• FS27884
• Styrene, SAJ first grade, >=99.0%
• NCGC00091056-02
• NCGC00091056-03
• NCGC00091056-04
• NCGC00091056-05
• NCGC00258362-01
• BP-13451
• FP171383
• SY061549
• Styrene Solution 0.0001 Wt% in Toluene
• DB-244813
• NS00010820
• S0651
• EN300-19671
• C07083
• C19506