Sodium Hydroxide, 0.1N (0

1 Sodium Hydroxide, ( ) Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 10/17/2013 Revision date: 03/13/2018 Supersedes: 10/17/2013 Version: 03/28/2018 EN (English US) Page 1 SECTION 1: Identification Identification Product form : Mixtures Product name : Sodium Hydroxide, ( ) Product code : LC24270 Recommended use and restrictions on use Use of the substance/mixture : For laboratory and manufacturing use only. Recommended use : Laboratory chemicals Restrictions on use : Not for food, drug or household use Supplier LabChem Inc Jackson's Pointe Commerce Park Building 1000, 1010 Jackson's Pointe Court Zelienople, PA 16063 - USA T 412-826-5230 - F 724-473-0647 - Emergency telephone number Emergency number : CHEMTREC: 1-800-424-9300 or +1-703-741-5970 SECTION 2: Hazard(s) identification Classification of the substance or mixture GHS-US classification Not classified GHS Label elements, including precautionary statements Not classified as a hazardous chemical.

2 Other hazards not contributing to the classification : None. Unknown acute toxicity (GHS US) Not applicable SECTION 3: Composition/Information on ingredients Substances Not applicable Mixtures Name Product identifier % GHS-US classification Water (CAS-No.) 7732-18-5 Not classified Sodium Hydroxide (CAS-No.) 1310-73-2 Skin Corr. 1A, H314 Eye Dam. 1, H318 Aquatic Acute 3, H402 Full text of hazard classes and H-statements : see section 16 SECTION 4: First-aid measures Description of first aid measures First-aid measures general : Never give anything by mouth to an unconscious person. If you feel unwell, seek medical advice (show the label where possible).

3 First-aid measures after inhalation : Allow victim to breathe fresh air. Allow the victim to rest. First-aid measures after skin contact : Remove affected clothing and wash all exposed skin area with mild soap and water, followed by warm water rinse. First-aid measures after eye contact : Rinse immediately with plenty of water. Obtain medical attention if pain, blinking or redness persists. First-aid measures after ingestion : Rinse mouth. Do NOT induce vomiting. Obtain emergency medical attention. Most important symptoms and effects (acute and delayed) Symptoms/effects : Not expected to present a significant hazard under anticipated conditions of normal use.

4 Sodium Hydroxide, ( ) Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 03/28/2018 EN (English US) 2/7 Symptoms/effects after ingestion : Abdominal pain. Nausea. Symptoms/effects upon intravenous administration : Not available. Chronic symptoms : Not available. Immediate medical attention and special treatment, if necessary Obtain medical assistance. SECTION 5: Fire-fighting measures Suitable (and unsuitable) extinguishing media Suitable extinguishing media : Foam. Dry powder. Carbon dioxide. Water spray. Sand. Unsuitable extinguishing media : Not available.

5 Do not use a heavy water stream. Specific hazards arising from the chemical Fire hazard : Not flammable. Explosion hazard : Not available. Reactivity : None. Special protective equipment and precautions for fire-fighters Firefighting instructions : In case of fire, stop leak if safe to do so. When cooling/extinguishing: no water in the substance. Use water spray or fog for cooling exposed containers. Exercise caution when fighting any chemical fire. Prevent fire-fighting water from entering environment. Protection during firefighting : Do not enter fire area without proper protective equipment, including respiratory protection.

6 Other information : Not available. SECTION 6: Accidental release measures Personal precautions, protective equipment and emergency procedures General measures : Eliminate ignition sources. Ensure adequate ventilation. Wear self-contained breathing apparatus when entering area unless atmosphere is proved to be safe. For non-emergency personnel Protective equipment : Wear chemically protective gloves, lab coat or apron to prevent prolonged or repeated skin contact. Emergency procedures : Wash contaminated clothes. Keep containers closed. Evacuate unnecessary personnel. For emergency responders Protective equipment : Equip cleanup crew with proper protection.

7 Emergency procedures : Stop leak if safe to do so. Environmental precautions Prevent entry to sewers and public waters. Notify authorities if liquid enters sewers or public waters. Methods and material for containment and cleaning up For containment : Take up liquid spill into inert absorbent material. Methods for cleaning up : Carefully collect the spill/leftovers. Clean contaminated surfaces with an excess of water. Wash clothing and equipment after handling. Soak up spills with inert solids, such as clay or diatomaceous earth as soon as possible. Collect spillage. Store away from other materials. Reference to other sections See Heading 8.

8 Exposure controls and personal protection. SECTION 7: Handling and storage Precautions for safe handling Additional hazards when processed : May be corrosive to metals. Precautions for safe handling : Do not get in eyes, on skin, or on clothing. Remove contaminated clothing immediately. Use corrosionproof equipment. Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work. Provide good ventilation in process area to prevent formation of vapor. Hygiene measures : Wash contaminated clothing before reuse. Conditions for safe storage, including any incompatibilities Storage conditions : Keep container closed when not in use.

9 Incompatible products : metals. Strong acids. Sodium Hydroxide, ( ) Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 03/28/2018 EN (English US) 3/7 Incompatible materials : Sources of ignition. Direct sunlight. Storage temperature : 5 - 30 C Prohibitions on mixed storage : KEEP SUBSTANCE AWAY FROM: strong acids. metals. metal powders. Storage area : Keep locked up. Store in a well-ventilated place. Keep only in the original container. Special rules on packaging : SPECIAL REQUIREMENTS: corrosion-proof. Packaging materials : Do not store in corrodable metal.

10 SECTION 8: Exposure controls/personal protection Control parameters Sodium Hydroxide (1310-73-2) ACGIH ACGIH Ceiling (mg/m ) 2 mg/m OSHA OSHA PEL (TWA) (mg/m ) 2 mg/m IDLH US IDLH (mg/m ) 10 mg/m NIOSH NIOSH REL (ceiling) (mg/m ) 2 mg/m Water (7732-18-5) Not applicable Appropriate engineering controls Appropriate engineering controls : Emergency eye wash fountains should be available in the immediate vicinity of any potential exposure. Individual protection measures/Personal protective equipment Personal protective equipment: Gloves. Safety glasses. Hand protection: Wear protective gloves.