2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate

Following is the structure of 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate (CAS NO.125700-73-4):
                       
Molecular Formula C₁₄H₂₀N₃O₃^.BF₄
Molecular Weight 365.13 g/mol
Melting point: 216-219 °C
Storage tempreture of 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate (CAS NO.125700-73-4): 2-8 °C
Product Categories of 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate (CAS NO.125700-73-4): Coupling Reagent; B (Classes of Boron Compounds);Biochemistry; Condensation & Active Esterification; Coupling Reactions (Peptide Synthesis); Peptide Synthesis; Synthetic Organic Chemistry; Tetrafluoroborates
SMILES: F[B-](F)(F)F.C/[N+](C)=C(\ON2C(=O)C3C1\C=C/C(C1)C3C2=O)N(C)C
InChI: InChI=1/C14H20N3O3.BF4/c1-15(2)14(16(3)4)20-17-12(18)10-8-5-6-9(7-8)11(10)13(17)19;2-1(3,4)5/h5-6,8-11H,7H2,1-4H3;/q+1;-1
InChIKey: DMTWWFCCBWWXSA-UHFFFAOYAQ

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-20/21/22 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
F: 8-10-21

 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate , its cas register number is 125700-73-4. It also can be called TNTU ; and N-{(Dimethylamino)[(3,5-dioxo-4-azatricyclo[5.2.1.0~2,6~]dec-8-en-4-yl)oxy]methylene}-N-methylmethanaminium tetrafluoroborate .