為實驗者效勞
Benzoic acid 65-85-0
500G
CAS:57-55-6
1,2-Propylene glycol, extra pure, Pharmpur®, Ph Eur, BP, USP
Iodine, solution 0,05 mol/l (0,1 N)
CAS : 7553-56-2
2,6-Di-tert-butyl-4-methylphenol CAS: 128-37-0
Dibutylamine CAS: 111-92-2