Lewisite

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Property Summary

Boiling Point:
    190 deg C at 760 mm Hg (decomposes); 93 deg C at 26 mm Hg; 76-77 deg C at 12.5 mm Hg

Density Specific Gravity:
    1.888 at 20 deg C/4 deg C

Melting Point:
    0.1 deg C

Molecular Formula:
    C2-H2-As-Cl3

Molecular Weight:
    207.32

Solubilities:
    Greater than 10% in ethyl ether; greater than 10% in ethanol
    Sol in ordinary organic solvents; insol in dilute mineral acids
    In water, 500 mg/L, temp not reported

Vapor Density:
    7.1 (Air=1)

Vapor Pressure:
    0.58 mm Hg at 25 deg C

Find more information on this substance at: PubChem, PubMed