96%
98%
≥99%(GC)
≥99%, mixture of isomers
≥98%(GC)
≥96%(GC)
≥94%
≥97%(GC), 含500ppm TBC稳定剂
≥98%
≥96%
75%
≥90%
>98.0%
≥98%(HPLC)
≥97%(GC)
97%
≥95%(T)