Sodium Hydroxide, 50% w/w - labchem.com

1 Sodium hydroxide , 50% w/w safety data sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 10/16/2013 Revision date: 02/07/2017 Supersedes: 10/16/2013 Version: SECTION 1: Identification Identification Product form : Mixtures Product name : Sodium hydroxide , 50% w/w CAS-No. : 1310-73-2. Product code : LC24150. Formula : NaOH. Synonyms : caustic soda 50% W/W / soda lye, 50%, aqueous solution / white caustic, 50%, aqueous solution Recommended use and restrictions on use Use of the substance/mixture : Industrial use 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.

2 T 412-826-5230 - F 724-473-0647. - Emergency telephone number Emergency number : CHEMTREC: 1-800-424-9300 or 011-703-527-3887. SECTION 2: Hazard(s) identification Classification of the substance or mixture GHS-US classification Skin corrosion/irritation H314 Causes severe skin burns and eye damage Category 1B. Serious eye damage/eye H318 Causes serious eye damage irritation Category 1. Hazardous to the aquatic H402 Harmful to aquatic life environment - Acute Hazard Category 3. Full text of H statements : see section 16. GHS Label elements, including precautionary statements GHS-US labeling Hazard pictograms (GHS-US) : GHS05. Signal word (GHS-US) : Danger Hazard statements (GHS-US) : H314 - Causes severe skin burns and eye damage H402 - Harmful to aquatic life Precautionary statements (GHS-US) : P260 - Do not breathe mist, vapors, spray.

3 P264 - Wash exposed skin thoroughly after handling. P273 - Avoid release to the environment. P280 - Wear protective gloves, protective clothing, eye protection, face protection. P301+P330+P331 - IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 - If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a poison center or doctor/physician. P363 - Wash contaminated clothing before reuse. P405 - Store locked up. 01/29/2018 EN (English US) Page 1.

4 Sodium hydroxide , 50% w/w safety data sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations P501 - Dispose of contents/container to comply with local, state and federal regulations If inhaled: Remove person to fresh air and keep comfortable for breathing Other hazards which do not result in classification No additional information available Unknown acute toxicity (GHS US). Not applicable SECTION 3: Composition/Information on ingredients Substances Not applicable Mixtures Name Product identifier % GHS-US classification Sodium hydroxide (CAS-No.) 1310-73-2 50 Acute Tox. 4 (Dermal), H312. Skin Corr. 1A, H314.

5 Eye Dam. 1, H318. Aquatic Acute 3, H402. Water (CAS-No.) 7732-18-5 50 Not classified 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 : Check the vital functions. Unconscious: maintain adequate airway and respiration. Respiratory arrest: artificial respiration or oxygen. Cardiac arrest: perform resuscitation. Victim conscious with labored breathing: half-seated. Victim in shock: on his back with legs slightly raised. Vomiting: prevent asphyxia/aspiration pneumonia. Prevent cooling by covering the victim (no warming up). Keep watching the victim. Give psychological aid.

6 Keep the victim calm, avoid physical strain. Depending on the victim's condition: doctor/hospital. Never give anything by mouth to an unconscious person. If you feel unwell, seek medical advice (show the label where possible). First-aid measures after inhalation : Remove the victim into fresh air. Respiratory problems: consult a doctor/medical service. Remove victim to fresh air and keep at rest in a position comfortable for breathing. Immediately call a poison center or doctor/physician. First-aid measures after skin contact : Wash immediately with lots of water (15 minutes)/shower. Do not apply (chemical) neutralizing agents. Remove clothing while washing.

7 Do not remove clothing if it sticks to the skin. Cover wounds with sterile bandage. Consult a doctor/medical service. If burned surface > 10%: take victim to hospital. Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Immediately call a poison center or doctor/physician. First-aid measures after eye contact : 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. First-aid measures after ingestion : Rinse mouth with water. Immediately after ingestion: give lots of water to drink. Do not induce vomiting. Do not give activated charcoal.

8 Do not give chemical antidote. Immediately consult a doctor/medical service. Call Poison Information Centre ( ). Take the container/vomit to the doctor/hospital. Ingestion of large quantities: immediately to hospital. Rinse mouth. Do NOT induce vomiting. Immediately call a poison center or doctor/physician. Most important symptoms and effects (acute and delayed). Symptoms/effects : Causes severe skin burns and eye damage. Symptoms/effects after inhalation : EXPOSURE TO HIGH CONCENTRATIONS: Dry/sore throat. Coughing. Irritation of the respiratory tract. Irritation of the nasal mucous membranes. FOLLOWING SYMPTOMS MAY. APPEAR LATER: Possible laryngeal spasm/oedema.

9 Risk of lung edema. Respiratory difficulties. Symptoms/effects after skin contact : Caustic burns/corrosion of the skin. Slow-healing wounds. Symptoms/effects after eye contact : Corrosion of the eye tissue. Permanent eye damage. Causes serious eye damage. Symptoms/effects after ingestion : Vomiting. Diarrhoea. Burns to the gastric/intestinal mucosa. Possible esophageal perforation. Bleeding of the gastrointestinal tract. Shock. AFTER ABSORPTION OF LARGE QUANTITIES: Disturbances of consciousness. Chronic symptoms : ON CONTINUOUS/REPEATED EXPOSURE/CONTACT: Dry skin. Skin rash/inflammation. Possible inflammation of the respiratory tract. Immediate medical attention and special treatment, if necessary No additional information available 01/29/2018 EN (English US) 2/9.

10 Sodium hydroxide , 50% w/w safety data sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations SECTION 5: Fire-fighting measures Suitable (and unsuitable) extinguishing media Suitable extinguishing media : EXTINGUISHING MEDIA FOR SURROUNDING FIRES: Adapt extinguishing media to the environment. Foam. Dry powder. Carbon dioxide. Water spray. Sand. Unsuitable extinguishing media : Solid water jet ineffective as extinguishing medium. Specific hazards arising from the chemical Fire hazard : DIRECT FIRE HAZARD. Non combustible. INDIRECT FIRE HAZARD. Reactions involving a fire hazard: see "Reactivity Hazard". Explosion hazard : INDIRECT EXPLOSION HAZARD.