NEW METHYLENE BLUE “N”

SECTION 2: Hazards identification

Emergency Overview: CAUTION! May be harmful if swallowed. If ingested, give large quantity of water or milk and induce vomiting. Call a physician. Avoid contact with skin, eyes, or clothing. Wash areas of contact with plenty of water. For eyes, get medical attention. Target Organs: eyes, skin, kidneys, gastrointestinal system, respiratory system. Eye Contact: May cause irritation, redness, pain, and tearing. Inhalation: Oxalates can be absorbed through the lungs. Symptoms of poisoning include nervousness, cramps, central nervous system depression. Skin Contact: May cause irritation, redness, and pain. Ingestion: May cause nausea, vomiting and abdominal pain. These dilute solutions produce little gastrointestinal distress but may cause weakness, muscular twitchings. Mean lethal dose for oxalates in adults is estimated at 15-30 grams. The soluble oxalates are readily absorbed from the gastrointestinal tract and can cause severe damage to the kidneys. Sharp reduction of serum calcium can cause dysfunction of the brain. Calcium Oxalate may be deposited in the kidneys. Chronic Effects/Carcinogenicity: Chronic ingestion of small amounts may cause hypocalcemic tetany (calcium deficiency in blood), urinary calculi (hardening of mineral salts around organic material found in the urinary tract). IARC - No. NTP - No. OSHA - No. Reproductive Information: Reproductive effects cited in 'Registry of Toxic Effects of Chemical Substances' for Sodium Chloride. Teratology (Birth Defect) Information: Mutation data cited in 'Registry of Toxic Effects of Chemical Substances' for Sodium Chloride.