: Iodine, Lugol's, 5% w/v

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3. Supplier : For laboratory and manufacturing use only.

1 SECTION 1: Identification 1.1. Identification Product form Product name Product code Date of issue: 12/16/2013 Revision date: 11/01/2017 Supersedes: 11/01/2017 Version: 1.2 : Mixtures : : LC Recommended use and restrictions on use Use of the substance/mixture Recommended use Restrictions on use 1.3. Supplier : For laboratory and manufacturing use only. : Laboratory chemicals : Not for food, drug or household use LabChem Inc Jackson's Pointe Commerce Park Building 1000, 1010 Jackson's Pointe Court Zelienople, PA USA T F info@labchem.com Emergency telephone number Emergency number : CHEMTREC: or SECTION 2: Hazard(s) identification 2.1. Classification of the substance or mixture GHS-US classification Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 2A Skin sensitization, Category 1 Hazardous to the aquatic environment - Acute Hazard Category 2 H315 H319 H317 H401 Full text of H statements : see section 16 Causes skin irritation Causes serious eye irritation May cause an allergic skin reaction Toxic to aquatic life 2.2. GHS Label elements, including precautionary statements GHS-US labeling Hazard pictograms (GHS-US) : Signal word (GHS-US) Hazard statements (GHS-US) Precautionary statements (GHS-US) GHS07 : Warning : H315 - Causes skin irritation H317 - May cause an allergic skin reaction H319 - Causes serious eye irritation H401 - Toxic to aquatic life : P261 - Avoid breathing mist, vapors, spray P264 - Wash exposed skin thoroughly after handling P272 - Contaminated work clothing should not be allowed out of the workplace P273 - Avoid release to the environment P280 - Wear protective gloves, eye protection P305+P351+P338 - If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P333+P313 - If skin irritation or rash occurs: Get medical advice/attention P337+P313 - If eye irritation persists: Get medical advice/attention P363 - Wash contaminated clothing before reuse P501 - Dispose of contents/container to comply with local, state and federal regulations P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower 11/01/2017 EN (English US) Page 1

2 2.3. Other hazards which do not result in classification Other hazards not contributing to the classification 2.4. Unknown acute toxicity (GHS US) Not applicable : None. SECTION 3: Composition/Information on ingredients 3.1. Substances Not applicable 3.2. Mixtures Name Product identifier % GHS-US classification Water (CAS-No.) Not classified Potassium Iodide (CAS-No.) Aquatic Acute 2, H401 Iodine (CAS-No.) Acute Tox. 3 (Dermal), H311 Acute Tox. 4 (Inhalation), H332 Skin Corr. 1C, H314 Eye Dam. 1, H318 Skin Sens. 1B, H317 Aquatic Acute 1, H400 Full text of hazard classes and H-statements : see section 16 SECTION 4: First-aid measures 4.1. Description of first aid measures First-aid measures general First-aid measures after inhalation First-aid measures after skin contact First-aid measures after eye contact First-aid measures after ingestion : Never give anything by mouth to an unconscious person. If you feel unwell, seek medical advice (show the label where possible). : Allow victim to breathe fresh air. Allow the victim to rest. : Wash with plenty of soap and water. Wash contaminated clothing before reuse. If skin irritation or rash occurs: Get medical advice/attention. : Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. : Rinse mouth. Do NOT induce vomiting. Obtain emergency medical attention Most important symptoms and effects (acute and delayed) Symptoms/effects after inhalation Symptoms/effects after skin contact Symptoms/effects after eye contact : May cause an allergic skin reaction. : Causes skin irritation. : Causes serious eye irritation Immediate medical attention and special treatment, if necessary Obtain medical assistance. Treat symptomatically. SECTION 5: Fire-fighting measures 5.1. Suitable (and unsuitable) extinguishing media Suitable extinguishing media Unsuitable extinguishing media 5.2. Specific hazards arising from the chemical Fire hazard Explosion hazard : Foam. Dry powder. Carbon dioxide. Water spray. Sand. : Do not use a heavy water stream. : Not flammable. : Not applicable Special protective equipment and precautions for fire-fighters Firefighting instructions Protection during firefighting SECTION 6: Accidental release measures 6.1. Personal precautions, protective equipment and emergency procedures : Use water spray or fog for cooling exposed containers. Exercise caution when fighting any chemical fire. Prevent fire-fighting water from entering environment. : Do not enter fire area without proper protective equipment, including respiratory protection For non-emergency personnel Protective equipment Emergency procedures : Safety glasses. Gloves. : Evacuate unnecessary personnel. 11/01/2017 EN (English US) 2/8

3 For emergency responders Protective equipment Emergency procedures : Equip cleanup crew with proper protection. : Ventilate area Environmental precautions Prevent entry to sewers and public waters. Notify authorities if liquid enters sewers or public waters. Avoid release to the environment Methods and material for containment and cleaning up Methods for cleaning up 6.4. Reference to other sections See Heading 8. Exposure controls and personal protection. : Soak up spills with inert solids, such as clay or diatomaceous earth as soon as possible. Collect spillage. Store away from other materials. SECTION 7: Handling and storage 7.1. Precautions for safe handling Precautions for safe handling Hygiene measures : 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. Avoid breathing mist, vapors, spray. : Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wash contaminated clothing before reuse Conditions for safe storage, including any incompatibilities Storage conditions Incompatible products Incompatible materials : Keep only in the original container in a cool, well ventilated place away from : Direct sunlight. Keep container closed when not in use. : Strong reducing agents. Ammonia. Acetaldehyde. metals. Strong bases. Strong acids. : Sources of ignition. Direct sunlight. SECTION 8: Exposure controls/personal protection 8.1. Control parameters ACGIH ACGIH TWA (mg/m³) 0.1 mg/m³ Inhalable fraction ACGIH ACGIH TWA (ppm) 0.01 ppm Inhalable fraction ACGIH ACGIH STEL (mg/m³) 1 mg/m³ ACGIH ACGIH STEL (ppm) 0.1 ppm OSHA OSHA PEL (Ceiling) (mg/m³) 1 mg/m³ OSHA OSHA PEL (Ceiling) (ppm) 0.1 ppm IDLH US IDLH (ppm) 2 ppm NIOSH NIOSH REL (ceiling) (mg/m³) 1 mg/m³ NIOSH NIOSH REL (ceiling) (ppm) 0.1 ppm ACGIH ACGIH TWA (ppm) 0.01 ppm Inhalable fraction Water ( ) Not applicable 8.2. Appropriate engineering controls Appropriate engineering controls : Emergency eye wash fountains should be available in the immediate vicinity of any potential exposure. Provide adequate general and local exhaust ventilation. 11/01/2017 EN (English US) 3/8

8.3. Individual protection measures/personal protective equipment Personal protective equipment: Gloves. Protective clothing. Safety glasses.

protection not required in normal conditions Other information: Do not eat, drink or smoke during use. SECTION 9: Physical and chemical properties 9.1.

acetate=1) Flammability (solid, gas) Vapor pressure Relative vapor density at 20 C Relative density Solubility Log Pow Auto-ignition temperature Decomposition temperature Viscosity,

4 8.3. Individual protection measures/personal protective equipment Personal protective equipment: Gloves. Protective clothing. Safety glasses. Hand protection: Wear protective gloves Eye protection: Chemical goggles or safety glasses Skin and body protection: Wear suitable protective clothing Respiratory protection: Respiratory protection not required in normal conditions Other information: Do not eat, drink or smoke during use. SECTION 9: Physical and chemical properties 9.1. Information on basic physical and chemical properties Physical state Color Odor Odor threshold ph Melting point Freezing point Boiling point Flash point Relative evaporation rate (butyl acetate=1) Flammability (solid, gas) Vapor pressure Relative vapor density at 20 C Relative density Solubility Log Pow Auto-ignition temperature Decomposition temperature Viscosity, kinematic Viscosity, dynamic Explosion limits Explosive properties Oxidizing properties 9.2. Other information No additional information available : Liquid : amber : characteristic : Non flammable. : Miscible with water. : Not applicable.. 11/01/2017 EN (English US) 4/8

5 SECTION 10: Stability and reactivity Reactivity No additional information available Chemical stability Stable under normal conditions Possibility of hazardous reactions Conditions to avoid Direct sunlight. Extremely high or low temperatures Incompatible materials metals. Strong reducing agents. Ammonia. Strong bases Hazardous decomposition products Iodine vapor. Potassium oxide. SECTION 11: Toxicological information Information on toxicological effects Likely routes of exposure Acute toxicity LD50 oral rat ATE US (oral) LD50 oral rat ATE US (oral) ATE US (dermal) ATE US (dust, mist) Water ( ) LD50 oral rat ATE US (oral) Skin corrosion/irritation Serious eye damage/irritation Respiratory or skin sensitization Germ cell mutagenicity Carcinogenicity : Ingestion; Inhalation; Skin and eye contact 4400 mg/kg 4400 mg/kg body weight mg/kg mg/kg body weight 220 mg/kg body weight 1.5 mg/l/4h mg/kg mg/kg body weight : Causes skin irritation. : Causes serious eye irritation. : May cause an allergic skin reaction. Reproductive toxicity Specific target organ toxicity single exposure Specific target organ toxicity repeated exposure Aspiration hazard Potential Adverse human health effects and symptoms Symptoms/effects after inhalation Symptoms/effects after skin contact Symptoms/effects after eye contact : Based on available data, the classification criteria are not met. : May cause an allergic skin reaction. : Causes skin irritation. : Causes serious eye irritation. SECTION 12: Ecological information Toxicity Ecology - water : Toxic to aquatic life. 11/01/2017 EN (English US) 5/8

6 EC50 Daphnia 1 LC50 fish 1 EC50 Daphnia 1 LC50 fish 1 EC50 Daphnia 1 4 mg/l 1.7 mg/l 0.2 mg/l 3200 mg/l 120 h 2.7 mg/l 24 h Persistence and degradability Persistence and degradability Persistence and degradability Persistence and degradability Water ( ) Persistence and degradability Bioaccumulative potential Bioaccumulative potential Log Pow 2.49 Bioaccumulative potential Bioaccumulative potential Water ( ) Bioaccumulative potential Mobility in soil No additional information available Other adverse effects Effect on the global warming GWPmix comment Other information : No known effects from this product. : No known effects from this product. : Avoid release to the environment. SECTION 13: Disposal considerations Disposal methods Waste disposal recommendations : Dispose of contents/container to comply with local, state and federal regulations. Ecology - waste materials : Avoid release to the environment. SECTION 14: Transport information Department of Transportation (DOT) In accordance with DOT Not regulated SECTION 15: Regulatory information US Federal regulations All components of this product are listed, or excluded from listing, on the United States Environmental Protection Agency Toxic Substances Control Act (TSCA) inventory 11/01/2017 EN (English US) 6/8

7 SARA Section 311/312 Hazard Classes SARA Section 311/312 Hazard Classes Immediate (acute) health hazard Delayed (chronic) health hazard Immediate (acute) health hazard Delayed (chronic) health hazard International regulations CANADA Listed on the Canadian DSL (Domestic Substances List) Listed on the Canadian DSL (Domestic Substances List) EU-Regulations No additional information available National regulations Listed on the Canadian IDL (Ingredient Disclosure List) Listed on the Canadian IDL (Ingredient Disclosure List) US State regulations California Proposition 65 - This product does not contain any substances known to the state of California to cause cancer, developmental and/or reproductive harm SECTION 16: Other information Revision date : 11/01/2017 Other information Full text of H-phrases: see section 16: H311 H314 H315 H317 H318 H319 H332 H400 H401 : None. Toxic in contact with skin Causes severe skin burns and eye damage Causes skin irritation May cause an allergic skin reaction Causes serious eye damage Causes serious eye irritation Harmful if inhaled Very toxic to aquatic life Toxic to aquatic life 11/01/2017 EN (English US) 7/8

NFPA health hazard NFPA fire hazard NFPA reactivity : 2 - Materials that, under emergency conditions, can cause temporary incapacitation or residual injury.

8 NFPA health hazard NFPA fire hazard NFPA reactivity : 2 - Materials that, under emergency conditions, can cause temporary incapacitation or residual injury. : 0 - Materials that will not burn under typical dire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. : 0 - Material that in themselves are normally stable, even under fire conditions. Hazard Rating Health Flammability Physical Personal protection : 2 Moderate Hazard - Temporary or minor injury may occur : 0 Minimal Hazard - Materials that will not burn : 0 Minimal Hazard - Materials that are normally stable, even under fire conditions, and will NOT react with water, polymerize, decompose, condense, or self-react. Non-Explosives. : B B - Safety glasses, Gloves SDS US LabChem Information in this SDS is from available published sources and is believed to be accurate. No warranty, express or implied, is made and LabChem Inc assumes no liability resulting from the use of this SDS. The user must determine suitability of this information for his application. 11/01/2017 EN (English US) 8/8

: Sulfosalicylic Acid, 20% w/v

: Sulfosalicylic Acid, 20% w/v SECTION 1: Identification 1.1. Identification Product form Product name Product code Date of issue: 08/21/2014 Revision date: 05/03/2018 Supersedes: 08/21/2014 Version: 1.1 : Mixtures : : LC25545 1.2.