Table 2.

Rate Constants, k×10³ (sec⁻¹), and Activation Energetics, E_A, for the Decarboxylation of the Acidic Cannabinoids

	Rate constants k×103 (sec−1)
Reactant	80°C	95°C	110°C	Activation energy EA (kJ/mol)
Extracts
THCA-A	0.18	0.66	1.83	88 (84a)
CBDA	0.05	0.27	0.83	112
CBGA	0.06	0.25	1.00	109
Pure Standard
CBDA			0.16

^aLiterature value.¹¹