Black Silicon Carbide

SECTION 2: Hazards identification

EMERGENCY OVERVIEW: Non-flammable black solid or powder. Abrasive particulate may cause minor eye and skin irritation. Inhalation of high concentrations may cause transient upper respiratory irritation. Product is non- combustible and stable. Primary Route(s) of Entry Inhalation Yes Skin: No Ingestion: No Other: No

Potential health effects

Acute: EYE: Dusts may cause minor irritation. Particulate matter may scratch the cornea or cause other mechanical injury to the eye. SKIN: May cause minor irritation. Not absorbed through skin. INGESTION: Relatively non-toxic. Ingestion is not anticipated under normal working conditions. INHALATION: Product will act as a nuisance dust. Inhalation of high concentrations of dust may cause coughing and mild, transitory respiratory irritation. May cause slight to moderate irritation of mucous membranes. Chronic: INHALATION: Long-term dust inhalation in excess of the PEL or TLV may decrease the ability of the lungs to clear particulate matter which may cause shortness of breath and increased susceptibility to respiratory disease. SIGNS AND SYMPTOMS: Irritation, redness, pain, tear formation, blurred vision, light sensitivity, shortness of breath, decreased chest expansion, dry cough, and fatigue.

Medical Conditions Generally Aggravated by Exposure

Repeated inhalation of dusts over time may aggravate pre-existing respiratory disease. Precautions should be taken to alleviate the pre-existing medical condition. TARGET ORGANS: Lungs CARCINOGENICITY: NTP: No IARC: No OSHA: No BLACK SILICON CARBIDE