The biological buffering agent ADA disodium salt, with the chemical name N - (Carbamoylmethyl) iminodiacetic acid. This is a compound used only for research and development, and not for pharmaceutical, household, or other purposes. According to the Global Harmonized System (GHS) regulations, it is not a hazardous substance or mixture. However, it should be noted that the substance has not been fully tested yet. Regarding the first aid measures for this substance, if inhaled, the patient should be moved to fresh air; If breathing stops, artificial respiration should be performed. After skin contact, rinse with soap and plenty of water; After eye contact, rinse the eyes with water as a preventive measure. After ingestion, do not feed anything to unconscious individuals through the mouth, instead rinse with water. In addition, the substance is stored at room temperature and is a biological buffer with a pH range of 6.0-7.2. Its molecular formula is C6H8N2Na2O5, with a molecular weight of 234.12 g/mol. Please note that although this information provides a general understanding of the biological buffering agent ADA disodium salt, you should always wear appropriate protective equipment and follow safe operating procedures when using such chemicals. Meanwhile, caution should be exercised and compliance with relevant regulations and standards should be ensured for any operations involving chemical substances.