26169
Cinnamaldehyde diffusivity was largely dependent on environmental conditions , increasing from 0 . 49 x 10 ( - 15 ) m ( 2 ) / s at 30 % relative humidity ( RH ) to 13 . 1 x 10 ( - 15 ) m ( 2 ) / s at 90 % RH and 23 degrees C .
 Cinnamaldehyde
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Cinnamaldehyde