Phenanthroline

Phenanthroline ;
Names:	phenanthroline; о-phenanthroline; 1,10-phenanthroline;
Formula:	C12H8N2 (anhydrous); C12H8N2 · H2O (monohydrate);
Molar mass:	180.210 g/mol (anhydrous); 198.224 g/mol (monohydrate);
Density:	1.31 g/cm3 (anhydrous);
Crystal system:	monoclinic (anhydrous); a=19.914 Å, b=7.405 Å, c=9.451 Åα=90°, β=99.6°, γ=90°;
Shapes:	https://en.crystalls.info/w/uploads/media/a/af/Tetragonal_prism.json Tetragonal prism https://en.crystalls.info/w/uploads/media/5/52/Needle.json Needle ;
Color:	colorless;
Melting point:	118.56 °C391.71 K <br />245.408 °F <br />705.078 °R <br /> (anhydrous); 91.5 °C364.65 K <br />196.7 °F <br />656.37 °R <br /> (monohydrate);
Boiling point:	409.2 °C682.35 K <br />768.56 °F <br />1,228.23 °R <br /> (anhydrous);
Stability:	stable (anhydrous);
Hardness:	fragile

Description

Organic heterocyclic compound. From water solutions crystallizes as monohydrate.

Crystals can split lengthwise into needles

TableGraph

Temperature	g/`100,00` g water	g/`100,00` g benzene
20°C293.15 K <br />68 °F <br />527.67 °R <br />		`2.7`
25°C298.15 K <br />77 °F <br />536.67 °R <br />	`0.275`

Heterocycles
Dioxidine (C₁₀H₁₀N₂O₄) • Phenanthroline (C₁₂H₈N₂)

Phenanthroline
Names:	phenanthroline о-phenanthroline 1,10-phenanthroline
Formula:	C₁₂H₈N₂ (anhydrous) C₁₂H₈N₂ · H₂O (monohydrate)
Molar mass:	180.210 g/mol (anhydrous) 198.224 g/mol (monohydrate)
Density:	1.31 g/cm³ (anhydrous)
Crystal system:	monoclinic (anhydrous) a=19.914 Å, b=7.405 Å, c=9.451 Åα=90°, β=99.6°, γ=90°
Shapes:	Tetragonal prism Needle
Color:	colorless
Melting point:	118.56 °C391.71 K <br />245.408 °F <br />705.078 °R <br /> (anhydrous) 91.5 °C364.65 K <br />196.7 °F <br />656.37 °R <br /> (monohydrate)
Boiling point:	409.2 °C682.35 K <br />768.56 °F <br />1,228.23 °R <br /> (anhydrous)
Stability:	stable (anhydrous)
Hardness:	fragile