The CAS registry number of Flumioxazin is 103361-09-7. The IUPAC name is 2-(7-fluoro-3-oxo-4-prop-2-ynyl-1,4-benzoxazin-6-yl)-4,5,6,7-tetrahydroisoindole-1,3-dione. In addition, the molecular formula is C₁₉H₁₅FN₂O₄ and the molecular weight is 354.33. What's more, it should be stored in sealed container, and put in a cool and dry place.

Physical properties about Flumioxazin are: (1)ACD/LogP: 2.29; (2)ACD/LogD (pH 5.5): 2.29; (3)ACD/LogD (pH 7.4): 2.29; (4)ACD/BCF (pH 5.5): 32.55; (5)ACD/BCF (pH 7.4): 32.55; (6)ACD/KOC (pH 5.5): 421.05; (7)ACD/KOC (pH 7.4): 421.05; (8)#H bond acceptors: 6; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 66.92 Å²; (11)Index of Refraction: 1.661; (12)Molar Refractivity: 88.03 cm³; (13)Molar Volume: 237.9 cm³; (14)Polarizability: 34.9 ×10^-24cm³; (15)Surface Tension: 69.8 dyne/cm; (16)Density: 1.48 g/cm³; (17)Flash Point: 343.5 °C; (18)Enthalpy of Vaporization: 95.08 kJ/mol; (19)Boiling Point: 644.4 °C at 760 mmHg; (20)Vapour Pressure: 1.69E-16 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is very toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment. And it may cause harm to the unborn child. You should avoid exposure - obtain special instruction before use. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.). What's more, this material and/or its container must be disposed of as hazardous waste. You should avoid release to the environment and you can refer to special instructions safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C3\C4=C(/C(=O)N3c2c(F)cc1OCC(=O)N(c1c2)CC#C)CCCC4
(2)InChI: InChI=1/C19H15FN2O4/c1-2-7-21-15-9-14(13(20)8-16(15)26-10-17(21)23)22-18(24)11-5-3-4-6-12(11)19(22)25/h1,8-9H,3-7,10H2
(3)InChIKey: FOUWCSDKDDHKQP-UHFFFAOYAN