Product Name

  • Name

    (S)-Styrene oxide

  • EINECS
  • CAS No. 20780-54-5
  • Article Data260
  • CAS DataBase
  • Density 1.107 g/cm3
  • Solubility
  • Melting Point
  • Formula C8H8O
  • Boiling Point 193.9 °C at 760 mmHg
  • Molecular Weight 120.151
  • Flash Point 79.4 °C
  • Transport Information UN 2810 6.1/PG 3
  • Appearance Colorless to light yellow liquid
  • Safety 53-26-36/37-45
  • Risk Codes 45-20/21-36/38
  • Molecular Structure Molecular Structure of 20780-54-5 ((S)-Styrene oxide)
  • Hazard Symbols ToxicT
  • Synonyms (S)-(+)-Epoxyethylbenzene;(S)-(-)-Styrene oxide;(S) 2-Phenyl ethylene oxide;Benzene, (epoxyethyl)-, (S)-;S-(Epoxyethyl)benzene;(S)-(+)-Styrene oxide;(2S)-2-phenyloxirane;S-Phenyloxirane;(S)-Styrene 0xide;
  • PSA 12.53000
  • LogP 1.75790

(S)-Styrene oxide Chemical Properties

Product Name: (S)-Styrene oxide
CAS Registry Number: 20780-54-5
IUPAC Name: (2S)-2-phenyloxirane
Synonyms: (S)-(+)-Styrene oxide ; CCRIS 4094 ; S-(Epoxyethyl)benzene ; S-Phenyloxirane ; Benzene, (epoxyethyl)-, (S)- 
Molecular Weight: 120.14852 [g/mol]
Molecular Formula: C8H8O
XLogP3: 1.6
H-Bond Donor: 0
H-Bond Acceptor: 1
Surface Tension: 43.2 dyne/cm
Density: 1.107 g/cm3
Flash Point: 79.4 °C
Enthalpy of Vaporization: 41.25 kJ/mol
Boiling Point: 193.9 °C at 760 mmHg
Vapour Pressure: 0.633 mmHg at 25°C 
Refractive Index: n20/D 1.535
Storage temp.: 2-8°C
Product Categories: Chiral Compounds;Epoxides;chiral;Chiral Compound
Following is the molecular structure of (S)-Styrene oxide (CAS NO.20780-54-5) is:

(S)-Styrene oxide Uses

  (S)-Styrene oxide (CAS NO.20780-54-5) can be used for chiral building block for synthetic purposes.

(S)-Styrene oxide Safety Profile

Hazard Codes:
ToxicT
Risk Statements:
R45:May cause cancer. 
R20/21:Harmful by inhalation and in contact with skin. 
R36/38:Irritating to eyes and skin.
Safety Statements:
S53:Avoid exposure - obtain special instructions before use. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR UN: 2810 6.1/PG 3
WGK Germany: 3
RTECS: CZ9625030
F: 10

(S)-Styrene oxide Specification

 (S)-Styrene oxide (CAS NO.20780-54-5) is a colorless to light yellow liquid.

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