Purpurin (data page)

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Molecular Formula = C₁₄H₁₄O₅

Formula Weight = 262.25796

Composition = C(64.12%) H(5.38%) O(30.50%)

Molar Refractivity = 64.57 cm³

Molar Volume = 172.1 cm3

Parachor = 514.5 cm3

Index of Refraction = 1.673

Surface Tension = 79.7 /cm3

Density = 1.523g/cm3

Polarizability = 25.59 cm3

Monoisotopic Mass = 262.084124 Da

Nominal Mass = 262 Da

Average Mass = 262.258 Da

Log P = 0.82