The ECL solution kit is comprised of three bottles (tubes), package together for retail sale. Bottle #1 contains a mixture of water and luminol (CAS# 521-31-3). Bottle #2 consists of a mixture of water and p-Coumaric acid (CAS# 501-98-4). Bottle #3 consisits of a mixture of water and hydrogen peroxide (CAS# 7722-84-1). The ECL solution kit will be used as a biology reagent for pharmaceutical and biomedical research use, but it is not for clinical diagnostic procedure or use. According to our laboratory, the enhanced chemiluminescence solution kit is used for the detection of an analyte. It engages in a chemical reaction in response to an analyte, is consumed during the reaction, and produces an observable or measurable response.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N313863