In preliminary case found that the

In preliminary case found that the SE-4811 (526) and SE-3140N (535) is a mixture of "Butyl cellosolve", it is poison.
According to the MSDS identify the products must be keep lower than 0-10C (If stored at a higher temperature than this may affect the evaporation of toxic ingredients).
For NHC AT-H601 must be keep in a refrigerator temperature below 0C but our chemical storage room (CS-3) temp. 15-22C.