MALONONITRILE

SECTION 2: Hazards identification

29 CFR 1910.1200) Emergency Overview Highly toxic. May be fatal if inhaled, absorbed through skin, or swallowed. Irritant. Readily absorbed through skin. May cause cyanosis. Dangerous for the environment. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Appearance White, Powder, or, Crystalline. Physical State Solid. Odor Not available OSHA Regulatory Status This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200). Mexico - Grade Slight risk, Grade 1

Principle Routes of Exposure

Not available Acute Effects Eyes Severe eye irritation. Avoid contact with eyes. Skin Toxic in contact with skin. May be fatal if absorbed through skin. Irritating to skin. Readily absorbed through skin. Avoid contact with skin. Inhalation Toxic by inhalation. May be fatal if inhaled. Irritating to mucous membranes. Irritating to respiratory system. Ingestion Toxic if swallowed. May cause irritation of the digestive tract. Acute Effects Absorption into the body leads to the formation of methemoglobin which in sufficient concentration causes cyanosis. Onset may be delayed 2 to 4 hours or longer. May be partially metabolized to cyanide in the body. The onset of symptoms is generally delayed pending on conversion to cyanide. CNS depression. Lung irritation. Headache. Dizziness. Convulsions. Difficulty in breathing. Weak pulse.

Potential chronic health

Avoid repeated exposure. See Section 11 for additional Toxicological information.

Medical Conditions Generally Aggravated by Exposure

Not available

Interactions with other chemicals

Not available

Environmental effects

Dangerous for the environment. Very toxic to aquatic organisms, may cause long- term adverse effects in the aquatic environment.