SAFETY DATA SHEET. Creation Date 10-Feb-2011 Revision Date 19-Jan-2018 Revision Number 3. Potassium hexacyanoferrate(ii)

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1 SAFETY DATA SHEET Creation Date 10-Feb-2011 Revision Number 3 Product Name Cat No. : 1. Identification Potassium ferrocyanide AC ; AC ; AC CAS-No Synonyms Potassium hexacyanoferrate(ii) Recommended Use Uses advised against Laboratory chemicals. Not for food, drug, pesticide or biocidal product use Details of the supplier of the safety data sheet Company Fisher Scientific One Reagent Lane Fair Lawn, NJ Tel: (201) Acros Organics One Reagent Lane Fair Lawn, NJ Emergency Telephone Number For information US call: ACROS-01 / Europe call: Emergency Number US: / Europe: CHEMTREC Tel. No.US: / Europe: Hazard(s) identification Classification Classification under 2012 OSHA Hazard Communication Standard (29 CFR ) Label Elements None required Hazards not otherwise classified (HNOC) Harmful to aquatic life with long lasting effects WARNING. Cancer and Reproductive Harm Composition/Information on Ingredients Component CAS-No Weight % Potassium ferrocyanide >95 tetrapotassium, First-aid measures Page 1 / 7

2 Eye Contact Skin Contact Inhalation Ingestion Most important symptoms and effects Notes to Physician Suitable Extinguishing Media Unsuitable Extinguishing Media Flash Point Method - Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Do not induce vomiting. Obtain medical attention.. Treat symptomatically 5. Fire-fighting measures Substance is nonflammable; use agent most appropriate to extinguish surrounding fire. Autoignition Temperature Explosion Limits Upper Lower Sensitivity to Mechanical Impact Sensitivity to Static Discharge Specific Hazards Arising from the Chemical Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Keep product and empty container away from heat and sources of ignition. Hazardous Combustion Products Nitrogen oxides (NOx) Hydrogen cyanide (hydrocyanic acid) Heavy metal oxides Protective Equipment and Precautions for Firefighters As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear. NFPA Health 1 Flammability 0 Instability 1 Physical hazards N/A Personal Precautions Environmental Precautions 6. Accidental release measures Use personal protective equipment. Ensure adequate ventilation. Avoid dust formation. Avoid contact with skin, eyes and clothing. Avoid release to the environment. See Section 12 for additional ecological information. Do not flush into surface water or sanitary sewer system. Should not be released into the environment. Do not allow material to contaminate ground water system. Methods for Containment and Clean Sweep up or vacuum up spillage and collect in suitable container for disposal. Avoid dust Up formation. Handling 7. Handling and storage Wear personal protective equipment. Ensure adequate ventilation. Avoid dust formation. Avoid contact with skin, eyes and clothing. Avoid ingestion and inhalation. Page 2 / 7

3 Storage Exposure Guidelines Keep in a dry, cool and well-ventilated place. Keep container tightly closed. Keep away from direct sunlight. 8. Exposure controls / personal protection Component ACGIH TLV OSHA PEL NIOSH IDLH Mexico OEL (TWA) Potassium ferrocyanide TWA: 1 mg/m 3 (Vacated) TWA: 1 mg/m 3 (Vacated) TWA: 5 mg/m 3 IDLH: 25 mg/m 3 TWA: 1 mg/m 3 TWA: 1 mg/m 3 TWA: 5 mg/m 3 STEL: 2 mg/m 3 IDLH: 25 mg/m 3 TWA: 1 mg/m 3 TWA: 5 TWA: 1 mg/m 3 (Vacated) TWA: 1 mg/m 3 (Vacated) TWA: 5 mg/m 3 TWA: 1 mg/m 3 mg/m 3 STEL: 2 mg/m 3 Legend ACGIH - American Conference of Governmental Industrial Hygienists OSHA - Occupational Safety and Health Administration NIOSH IDLH: The National Institute for Occupational Safety and Health Immediately Dangerous to Life or Health Engineering Measures None under normal use conditions. Personal Protective Equipment Eye/face Protection Skin and body protection Respiratory Protection Hygiene Measures Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR or European Standard EN166. Wear appropriate protective gloves and clothing to prevent skin exposure. No protective equipment is needed under normal use conditions. Handle in accordance with good industrial hygiene and safety practice. 9. Physical and chemical properties Physical State Powder Solid Appearance Yellow Odor Odorless Odor Threshold ph 25 C 100g/l aq.sol Melting Point/Range 70 C / 158 F Boiling Point/Range Flash Point Evaporation Rate Flammability (solid,gas) Flammability or explosive limits Upper Lower Vapor Pressure negligible Vapor Density Specific Gravity Solubility soluble Partition coefficient; n-octanol/water Autoignition Temperature Decomposition Temperature > 70 C Viscosity Molecular Formula C6 Fe K4 N6. 3 H2 O Molecular Weight Page 3 / 7

4 10. Stability and reactivity Reactive Hazard Stability Conditions to Avoid Incompatible Materials None known, based on information available Stable under normal conditions. Light sensitive. Avoid dust formation. Incompatible products. Excess heat. Exposure to light. Acids, Strong oxidizing agents, Strong acids Hazardous Decomposition Products Nitrogen oxides (NOx), Hydrogen cyanide (hydrocyanic acid), Heavy metal oxides Hazardous Polymerization Hazardous Reactions Acute Toxicity Hazardous polymerization does not occur. Contact with acids liberates very toxic gas. 11. Toxicological information Product Information Component Information Component LD50 Oral LD50 Dermal LC50 Inhalation LD50 = 3613 mg/kg ( Rat ) Not listed Not listed Toxicologically Synergistic Products Delayed and immediate effects as well as chronic effects from short and long-term exposure Irritation Sensitization Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen. Component CAS-No IARC NTP ACGIH OSHA Mexico Potassium Not listed Not listed Not listed Not listed Not listed ferrocyanide tetrapotassium, Not listed Not listed Not listed Not listed Not listed Mutagenic Effects Reproductive Effects Developmental Effects Teratogenicity STOT - single exposure STOT - repeated exposure Aspiration hazard Symptoms / effects,both acute and delayed Endocrine Disruptor Information Other Adverse Effects... None known None known The toxicological properties have not been fully investigated. Page 4 / 7

5 12. Ecological information Ecotoxicity This product contains the following substance(s) which are hazardous for the environment. May cause long-term adverse effects in the environment. Do not allow material to contaminate ground water system. Component Freshwater Algae Freshwater Fish Microtox Water Flea Not listed LC50: > 100 mg/l, 96h (Pimephales promelas) LC50: = 19 mg/l, 96h static (Poecilia reticulata) Not listed EC50: = 32 mg/l, 96h (Daphnia magna) Persistence and Degradability Bioaccumulation/ Accumulation Mobility Waste Disposal Methods DOT TDG IATA IMDG/IMO May persist based on information available.. Will likely be mobile in the environment due to its water solubility. 13. Disposal considerations Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Chemical waste generators must also consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification. 14. Transport information 15. Regulatory information International Inventories Component TSCA DSL NDSL EINECS ELINCS NLP PICCS ENCS AICS IECSC KECL Potassium ferrocyanide X - X X - X X X X X X X Legend: X - Listed E - Indicates a substance that is the subject of a Section 5(e) Consent order under TSCA. F - Indicates a substance that is the subject of a Section 5(f) Rule under TSCA. N - Indicates a polymeric substance containing no free-radical initiator in its inventory name but is considered to cover the designated polymer made with any free-radical initiator regardless of the amount used. P - Indicates a commenced PMN substance R - Indicates a substance that is the subject of a Section 6 risk management rule under TSCA. S - Indicates a substance that is identified in a proposed or final Significant New Use Rule T - Indicates a substance that is the subject of a Section 4 test rule under TSCA. XU - Indicates a substance exempt from reporting under the Inventory Update Rule, i.e. Partial Updating of the TSCA Inventory Data Base Production and Site Reports (40 CFR 710(B). Y1 - Indicates an exempt polymer that has a number-average molecular weight of 1,000 or greater. Y2 - Indicates an exempt polymer that is a polyester and is made only from reactants included in a specified list of low concern reactants that comprises one of the eligibility criteria for the exemption rule. U.S. Federal Regulations TSCA 12(b) SARA 313 Component CAS-No Weight % SARA Threshold Page 5 / 7

6 Values % Potassium ferrocyanide > tetrapotassium, SARA 311/312 Hazard Categories CWA (Clean Water Act) Component Potassium ferrocyanide See section 2 for more information CWA - Hazardous CWA - Reportable CWA - Toxic Pollutants CWA - Priority Pollutants Substances Quantities - - X X - - X X OSHA Occupational Safety and Health Administration CERCLA California Proposition 65 This product contains the following proposition 65 chemicals Clean Air Act Component HAPS Data Class 1 Ozone Depletors Class 2 Ozone Depletors Potassium ferrocyanide X - X - Component CAS-No California Prop. 65 Prop 65 NSRL Category Male Reproductive - tetrapotassium, U.S. State Right-to-Know Regulations Component Massachusetts New Jersey Pennsylvania Illinois Rhode Island Potassium ferrocyanide - X X X X tetrapotassium, - X X X X U.S. Department of Transportation Reportable Quantity (RQ): DOT Marine Pollutant DOT Severe Marine Pollutant N N N U.S. Department of Homeland Security This product does not contain any DHS chemicals. Other International Regulations Mexico - Grade Prepared By 16. Other information Regulatory Affairs Thermo Fisher Scientific Page 6 / 7

7 Creation Date Revision Date Print Date Revision Summary 10-Feb Jan Jan-2018 This document has been updated to comply with the US OSHA HazCom 2012 Standard replacing the current legislation under 29 CFR to align with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text End of SDS Page 7 / 7