The Erbium(III) trifluoromethanesulfonate, with the CAS registry number 139177-64-3, is also known as Erbium(III) triflate and Trifluoromethanesulfonic acid erbium(III) salt. Its molecular formula is C₃ErF₉O₉S₃ and formula weight is 614.47. What's more, its systematic name is called Trifluoromethanesulfonic acid-erbium (1:1).

Physical properties about this chemical are: (1)#H bond acceptors: 3; (2)#H bond donors: 1; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 51.75 Å².

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes and it irritates to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. At last, whenever you will contact this chemical, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: [Er].FC(F)(F)S(=O)(=O)O;
(2)InChI: InChI=1/CHF3O3S.Er/c2-1(3,4)8(5,6)7;/h(H,5,6,7);
(3)InChIKey: FECRNHPJGAZUKO-UHFFFAOYAY;
(4)Std. InChI: InChI=1S/CHF3O3S.Er/c2-1(3,4)8(5,6)7;/h(H,5,6,7);
(5)Std. InChIKey: FECRNHPJGAZUKO-UHFFFAOYSA-N.