Chemical Name or Material: Hydrochloric acid. CAS: 7647-01-0. Health Hazard 1: H290-H314-H335. Health Hazard 2: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste.