Explanatory notes
… pure state, they are to be classified in Chapter 29 . For certain of these compounds (e.g., ethane, benzene, … are specific purity criteria indicated in Explanatory Notes 29.01, 29.07 and 29.33. Methane and propane are classified in …Classification opinions
… less than 95 % (*) of a single isomer. See also Opinion 2901.10/1. Adoption : 1969 (*) Calculated on the dry … less than 90 % (*) of a single isomer. See also Opinions 2901.23 to 2901.29/1. Adoption : 1974 (*) Calculated on the …