The Thionine, with the CAS registry number 135-59-1, is also known as 3H-Phenothiazin-7-amine, 3-imino-. Its EINECS registry number is 205-204-5. This chemical's molecular formula is C12H10N3S and molecular weight is 227.28496. What's more, its IUPAC name is 7-Iminophenothiazin-3-amine. In addition, this chemical is a strongly staining metachromatic dye that are widely used for biological staining. Beside, Thionine can also be used in place of Schiff reagent in quantitative Feulgen staining of DNA. And it can also be used to mediate electron transfer in microbial fuel cells.
Physical properties about Thionine are: (1)# of Rule of 5 Violations: 0; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 8.39; (5)ACD/KOC (pH 7.4): 9.06; (6)#H bond acceptors: 3; (7)#H bond donors: 3; (8)#Freely Rotating Bonds: 1; (9)Polar Surface Area: 87.53 Å2; (10)Index of Refraction: 1.791; (11)Molar Refractivity: 64.89 cm3; (12)Molar Volume: 153 cm3; (13)Polarizability: 25.72×10-24 cm3; (14)Surface Tension: 66.4 dyne/cm; (15)Density: 1.48 g/cm3; (16)Flash Point: 205.6 °C; (17)Enthalpy of Vaporization: 66.96 kJ/mol; (18)Boiling Point: 416.3 °C at 760 mmHg; (19)Vapour Pressure: 3.85E-07 mmHg at 25 °C.
You can still convert the following datas into molecular structure:
(1) Canonical SMILES: C1=CC2=C(C=C1N)SC3=CC(=N)C=CC3=N2
(2) InChI: InChI=1S/C12H9N3S/c13-7-1-3-9-11(5-7)16-12-6-8(14)2-4-10(12)15-9/h1-6,13H,14H2
(2) InChIKey: SHHZUHVSERGLNW-UHFFFAOYSA-N
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