This chemical is called Potassium vinyltrifluoroborate, and it can also be named as Vinyltrifluoroboric acid potassium salt. With the molecular formula of C₂H₃BF₃K, its molecular weight is 133.95. In addition, the CAS registry number of this chemical is 13682-77-4, and its product categories are Molander Ates; Organoborons; B (Classes of Boron Compounds); B-Bromocatecholborane, etc; Classes of Metal Compounds; K (Potassium) Compounds (excluding simple potassium salts); Typical Metal Compounds; Alkenyl; Boronic Acids and Derivatives; Trifluoroborate Salts. Generally, the Potassium vinyltrifluoroborate is white to yellowish powder, and should be stored in the sealed place where should be cool and dry. Especially, this chemical should be kept far away from the oxide. 

When you are using this chemical, please be cautious about it as the following: The Potassium vinyltrifluoroborate is easily to cause burns, so you should wear suitable protective clothing when you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. 

You can still convert the following datas into molecular structure: 
(1)SMILES: [B-](C=C)(F)(F)F.[K+]
(2)InChI: InChI=1/C2H3BF3.K/c1-2-3(4,5)6;/h2H,1H2;/q-1;+1
(3)InChIKey: ZCUMGICZWDOJEM-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C2H3BF3.K/c1-2-3(4,5)6;/h2H,1H2;/q-1;+1
(5)Std. InChIKey: ZCUMGICZWDOJEM-UHFFFAOYSA-N