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77255-40-4

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Basic Information
CAS No.: 77255-40-4
Name: (1aR,2S,3R,11bS)-1a,2,3,11b-tetrahydrochryseno[1,2-b]oxirene-2,3-diol
Molecular Structure:
Molecular Structure of 77255-40-4 ((1aR,2S,3R,11bS)-1a,2,3,11b-tetrahydrochryseno[1,2-b]oxirene-2,3-diol)
Formula: C18H14O3
Molecular Weight: 278.32
Density: 1.478g/cm3
Boiling Point: 567.5°C at 760 mmHg
Flash Point: 297°C
Safety: Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
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    77255-40-4

    syn-CHRYSENE-3,4-DIOL 1,2-OXIDE CAS 77255-40-4

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  • syn-CHRYSENE-3,4-DIOL 1,2-OXIDE

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    77255-40-4

    syn-CHRYSENE-3,4-DIOL 1,2-OXIDE

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Chemistry

IUPAC Name: Chryseno(1,2-b)oxirene-2,3-diol, 1a,2,3,11b-tetrahydro-, (1aR-(1a-alpha,2-alpha,3- beta,11b-alpha))- 
Molecular Formula: C18H14O3
Molecular Weight: 278.32
Density: 1.478 g/cm3 
Boiling Point: 567.5 °C at 760 mmHg
Flash Point: 297 °C
Freely Rotating Bonds: 2
Polar Surface Area: 30.99 Å2
Index of Refraction: 1.814
Molar Refractivity: 81.56 cm3
Molar Volume: 188.2 cm3
Polarizability: 32.33 ×10-24 cm3
Surface Tension: 71.7 dyne/cm 
Enthalpy of Vaporization: 89.62 kJ/mol
Vapour Pressure: 1.03E-13 mmHg at 25°C
The Cas Register Number  of syn-Chrysene-3,4-diol 1,2-oxide is 77255-40-4.The chemical synonyms of syn-Chrysene-3,4-diol 1,2-oxide (CAS NO.77255-40-4) are 1a,2,3,11b-Tetrahydrochryseno(1,2-b)oxirene-2,3-diol (1a-alpha,2-alpha,3-beta,11b-alpha)- ; Chryseno(1,2-b)oxirene-2,3-diol, 1a,2,3,11b-tetrahydro-, (1aR-(1a-alpha,2-alpha,3-beta,11b-alpha))- ; r-4,t-3-Dihydroxy-c-1,2-oxy-1,2,3,4-tetrahydrochrysene ; syn-Chrysene-3,4-diol 1,2-oxide  .The molecular structure of syn-Chrysene-3,4-diol 1,2-oxide (CAS NO.77255-40-4) is.

Uses

 syn-Chrysene-3,4-diol 1,2-oxide (CAS NO.77255-40-4) is used in organic synthesis.

Toxicity Data With Reference

1.    

mic-sat 5 µLg/plate

     CRNGDP    Carcinogenesis. 14 (1993),11.
2.    

mor-mus-fbr 5 mg/L

     CRNGDP    Carcinogenesis. 14 (1993),11.
3.    

dnd-ham-lng 20 µmol/L

     CRNGDP    Carcinogenesis. 14 (1993),11.

Safety Profile

Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes: IrritantXi
Risk Statements: 10-36/37/38 
R10: Flammable. 
R36/37/38:  Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26-36/37/39 
S16: Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
RTECS: RG9625000
F: 9-21
HazardClass: 3
PackingGroup: III