Caustic Soda

SECTION 2: Hazards identification

GHS Classification OSHA REGULATORY STATUS: This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200). ********************************************************************************************************************************** EMERGENCY OVERVIEW: Color: Colorless to slightly colored Physical State: Liquid Appearance: Clear to opaque Odor: Odorless

Signal word

DANGER DANGER

Health hazards

CORROSIVE. CAUSES SERIOUS EYE DAMAGE. CAUSES SEVERE SKIN BURNS AND EYE DAMAGE. MAY CAUSE RESPIRATORY IRRITATION. EFFECTS OF CONTACT OR INHALATION MAY BE DELAYED.

Physical hazards

MAY BE CORROSIVE TO METALS. Mixing with water, acid or incompatible materials may cause splattering and release of heat. Do not store in aluminum container or use aluminum fittings or transfer lines, as flammable hydrogen gas may be generated. ECOLOGICAL HAZARDS: This material has exhibited moderate toxicity to aquatic organisms. Keep out of water supplies and sewers. This material is alkaline and may raise the pH of surface waters. Corrosive to Metals Mixing with water may cause splattering and release of heat GHS CONTACT HAZARD - SKIN Category 1B - Causes severe skin burns and eye damage GHS CONTACT HAZARD - EYE Category 1 - Causes serious eye damage GHS: TARGET ORGAN TOXICITY (SINGLE Category 3 - May cause respiratory EXPOSURE): HAZARDOUS TO AQUATIC ENVIRONMENT - ACUTE Category 3 - Harmful to aquatic life UNKNOWN ACUTE TOXICITY: 100% of the mixture consists of ingredient(s) of unknown toxicity. There is no acute toxicity data available for this product.

Precautionary statements

Do not get in eyes, on skin, or on clothing. Wear eye protection, face protection, protective gloves. Do not breathe mist, vapors, or spray. Do not ingest. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wash thoroughly after handling- exposure can cause burns which are not immediately painful or visible. - Prevention • Do not breathe mist, vapors, or spray • Wear protective gloves, protective clothing, eye, and face protection • Wash thoroughly after handling • Keep only in original container • Use only outdoors or in a well-ventilated area - Response • IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower • Wash contaminated clothing before reuse • IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing • Immediately call a POISON CENTER or doctor/physician • IF INHALED: Remove person to fresh air and keep comfortable for breathing • Immediately call a POISON CENTER or doctor/physician • IF SWALLOWED: Rinse mouth. Do NOT induce vomiting • IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician • Specific treatment (see First Aid information on product label and/or Section 4 of the SDS) • Absorb spillage to prevent material damage - Storage • Store locked up • Store in a well-ventilated place. Keep container tightly closed • Store in corrosive resistant and NON-ALUMINUM container with a resistant inner liner (NOTE: flammable hydrogen gas may be generated if aluminum container and/or aluminum fittings are used)

Additional information

This material is corrosive. It may cause severe burns and permanent damage to any tissue with which it comes into contact. Toxicity may be delayed, and may not be readily visible. To treat contacted tissue, flush with water to dilute. There is no specific antidote. Significant exposures must be referred for medical attention immediately. ********************************************************************************************************************************** _____________________________________________________________________________________________________

2.1 Classification of the substance or mixture

GHS

Hazard pictograms

Corrosive

Hazard statements

GHS - Physical Hazard Statement(s) • May be corrosive to metals GHS - Health Hazard Statement(s) • Causes serious eye damage • Causes severe skin burns and eye damage • May cause respiratory irritation