全部
>95% (GC)
≥85%(GC)
≥90%(GC)
85%
90.0%(GC)
90%, stabilized with
93%
95% (stabilized with MEHQ)
95%(stabilized with MEHQ)
97%,stabilized with MEHQ
98%
98%, stabilized with
98%,stabilized with MEHQ
Assay: 94.5%
technical grade, contains 200 ppm monomethyl ether hydroquinone as inhibitor