I wonder if you can still order a kilo of "Satan's kimchi" from that supplier in China. If you ever could.
replies(2):
They don't appear to offer Dioxygen Difluoride (O2F2, CAS: 7783-44-0) [1] any longer.
[1] https://commonchemistry.cas.org/detail?cas_rn=7783-44-0
Closest they now offer is Tungsten difluoride dioxide (WO2F2, CAS: 14118-73-1). [2]
[2] http://www.sagechem.com/product/1037013
If you go to: R501 Tower A, New Youth Plaza, 8 Jia Shan Road, Hangzhou, China [3] you could ask in person.
[3] https://www.hxchem.net/English/hycontactlizi3865.html
Almost interested in sending them an email out of boredom just to see whether they make it with custom synthesis.